Century 2000 Ddec IV [PDF]

  • 0 0 0
  • Gefällt Ihnen dieses papier und der download? Sie können Ihre eigene PDF-Datei in wenigen Minuten kostenlos online veröffentlichen! Anmelden
Datei wird geladen, bitte warten...
Zitiervorschau

17/11/2016

Printer Friendly View

Repair: SYSTEM WIRING DIAGRAMS

2000 Freightliner Century Series ­ C­120 DETROIT DIESEL SERIES 60 DDEC IV Print Date: 17/11/2016

AIR CONDITIONING Fig 1: ACPU Circuit

IGNITION FUSE 10A AF5

12V IGNIT GND J1587+ J1587­ THERMOSTAT FAN REQUEST A/C CLUTCH HPX HPX RETURN LPX LPX RETURN ACPU

GND BUS

POWER DISTRIBUTION MODULE

NA3

RED

F

NCA

97B

BLK

D

NCA

GND

PNK

A

NCA

J1587+

NCA

B11

VIO

B

NCA

J1587­

NCA

B4

GRN

C

NCA

97T

ORG

G

NCA

234A

BLU

E

NCA

97C

NCA

H

YEL

CLUSTER

ENGINE CONTROLS SYSTEM

(NOT USED)

YEL/BLK WHT NCA

WHT/BLK NCA

NCA

NCA

NCA

NCA A/C CLUTCH

THERMOSTAT 205804

LOW PRESSURE

HIGH PRESSURE

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

1/65

17/11/2016

Printer Friendly View

Fig 2: Automatic A/C Circuit (1 of 2) HOT AT ALL TIMES

HOT AT ALL TIMES MAIN POWER DISTRIBUTION MODULE

A/C CLUTCH RELAY

F7 97T

97T

NCA

A1

H 14

98N

NCA

NCA

A2 14

NCA

NCA

98

B1 14

NCA

NCA

C1 98

NCA

MAXI FUSE 55 20A

FUSE 30A

B2

FUSE 5A

97T

NCA

97T

NCA

97T

NCA

GND

NCA

LOW

HI

BINARY SWITCH

A1

NCA

A2

NCA

A3

NCA

A4

NCA

A5

NCA

98N

A6

NCA

29A

NCA

29A

A7

NCA

GND1

NCA

GND1

A11

NCA

A12

NCA

A18

NCA

B1

NCA

B2

NCA

B3

NCA

B4

NCA

B6

NCA

B7

NCA

B8

NCA

1587­

B9

NCA

1587+

B11

NCA

GND

B12

NCA

98

B19

NCA

97T

A/C CLUTCH

INTERIOR LIGHTS SYSTEM

NCA

A GND

A GND

NCA CDTC SENSOR

HVAC FRONT CONTROL

1

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

NCA

5

4

3

1

6

5

4

3

1

6

5

4

3

1

6

1

3

4

98

GND NCA 6

+

­ CENTER CONSOLE JUNCTION BLOCK

GND

DIM +

GND1 NCA

NCA 3

10 NCA

NCA

1587­

2

NCA

1

NCA B

A

1587+

NCA

M OVERRIDE SWITCH

REC/DGA STEPPER MOTOR

MODE STEPPER MOTOR

MIX STEPPER MOTOR

MOTOR

205801

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

2/65

17/11/2016

Printer Friendly View

Fig 3: Automatic A/C Circuit (2 of 2) HOT AT ALL TIMES

HOT AT ALL TIMES AUXILIARY POWER MODULE

HVAC FUSE 30A

NCA

A3

NCA

A4

NCA

A5

NCA

98T

A6

NCA

98N

A7

NCA

1587­

A8

NCA

1587+

B1

NCA

98G

B2

NCA

GND

B3

NCA

GND

B4

NCA

B5

NCA

B6

NCA

B7

NCA

B8

NCA

C 98N

NCA

B 98G

NCA

A NCA

A2

98G

NCA A1

OPT HVAC FUSE 10A

HVAC FUSE 5A

98M

HVAC AUXILIARY CONTROL UNIT

GND

1587+

1587­

NCA

NCA

NCA

B

C

A

NCA

NCA A

B

GND

NCA C

98T

98N

GND

98M NCA

98N NCA

B

NCA 1

A

NCA 6

98G

GND NCA 1

NCA

NCA 6

NCA

NCA 5

4

NCA 4

3

NCA 3

NCA GND

GNDF

NCA

NCA

GNDH

NCA GND

NCA

NCA

GND

1

GND

NCA

CDTC SENSOR

V1

M DRIVER A­PILLAR GROUND STUD

MIX STEPPER MOTOR

BLOWER MOTOR

BLOWER MOTOR CONTROL POTENTIOMETER

TEMPERATURE CONTROL POTENTIOMETER

B­PILLAR JUNCTION BLOCK

205802

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

3/65

17/11/2016

Printer Friendly View

Fig 4: Auxiliary A/C Circuit

GND2

A

NCA

GND2

POT (CCW­COLD)

B

NCA

98U

98U

NCA

C

POT (CENTER TAP)

C

NCA

98T

98T

NCA

B

POT (CW­HOT) WV ­

D

NCA

98J

98J

NCA

A

E

NCA

98X

WV +

F

NCA

98W

IGN PWR 12V

G

NCA

98N

WV SOLENOID +

B

NCA

98W

WV SOLENOID ­

A

NCA

98X

POT (CCW­COLD) POT (CENTER TAP) POT (CW­HOT) REAR CONTROL PANEL POTENTIOMETER

THERMISTER

WATER VALVE (NO)

M

AUXILIARY HVAC UNIT

POWER DISTRIBUTION SYSTEM

281869

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

4/65

17/11/2016

Printer Friendly View

Fig 5: CDTC Circuit A/C MINI SWITCH

BLOWER SPEED SWITCH

E

A

NCA

B

NCA

POWER DISTRIBUTION SYSTEM

NCA

NCA 98A

98

D

C

NCA 98B

F

NCA 98C

1

NCA 98D

2

NCA 98T

FLP2 FRONT CONTROL HEAD

THERMOSTAT

C

NCA 98T

NCA 97A

B

A

NCA COLD

NCA COM

HOT

98 D

C

NCA

98A

A

NCA

98B

D

NCA

98C

B

NCA

CN3

NCA

C

COLD

NCA

B

98

NCA

G

GND

NCA

A

338W­

NCA

E

NCA

F

NCA B

NCA

M A

TEMPERATURE CONTROLLER

NCA

CN2 NCA

BLOWER SCROLL

97A

ENGINE CONTROLS SYSTEM

97T

98F

98D

98F

NCA

B

A

338W­ NCA

338W+ NCA

GND

NCA

NCA

NCA

NCA

A

B

C

D

CONNECTOR CN1

NCA

THERMOSTAT

WATER VALVE

205803

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

5/65

17/11/2016

Printer Friendly View

ANTI­LOCK BRAKES Fig 1: Anti­lock Brakes Circuit, Bendix HOT AT ALL TIMES

HOT AT ALL TIMES

CONSTANT PWR CIRCUIT BREAKER 15A

HOT IN IGNITION ON

CONSTANT PWR CIRCUIT BREAKER 15A

NCA

EXTERIOR LIGHTS SYSTEM

376C

376C*

376A

NCA

376T

376B

NCA

NCA NCA

AUXILIARY POWER DISTRIBUTION MODULE

IGN PWR CIRCUIT BREAKER 10A

A1

NCA

GND6

A2

NCA

GND5

A3

NCA

GND4

B1

NCA

376C***

B2

NCA

1922+A

B3

NCA

1922­A

C1

NCA

378RF­

C2

NCA

376S

NCA

378RFI

NCA

378RFO

E3

NCA

376L*

F1

NCA

378LFO

F2

NCA

376T

G1

NCA

378LFI

G2

NCA

1587+A

G3

NCA

1587­A

H1

NCA

378LF­

H2

NCA

377RF+

H3

NCA

377RF­

J1

NCA

377LF+

J2

376A*

NCA

ATC SWITCH (W/ ATC)

GND2

NCA

376C*

NCA

376C**

NCA

376A*

NCA

85 86

30 87A

NCA NCA

GND1

ENGINE DIAGNOSTIC CONNECTOR

376A**

87

NCA

IGNITION RELAY

C3 D1 D2

376L*

NCA

376C**

NCA

85

GND3

NCA

30

376L

NCA

87A

86

D3 E1 E2

F3

NCA

377LF­

K1

NCA

376R

K2

NCA

376A***

K3

NCA

376B*

NCA

378RR­

NCA

378RRI

87 DIAGNOSTIC CONNECTOR

WARNING LAMP RELAY

376L

NCA

ABS WARNING LAMP

J3 RETARDER INTERRUPT CONNECTOR (OPTIONAL) 376S

NCA

EC1

A1

WHEEL SPIN LAMP (W/ ATC)

A2 A3 B1 B2

378RF­

NCA

B

378RFI

NCA

C

378RFO

NCA

A

B3 C1

NCA

378RRO

D1

NCA

378LRO

D2

NCA

378T+

D3

NCA

378T­

E1

NCA

378LRI

E2

NCA

377RR+

E3

NCA

377RR­

C2 RIGHT FRONT MODULATOR VALVE

C3

F1

NCA

378LR­

F2

NCA

377LR+

F3

NCA

377LR­

WABCO CABLE

NCA

A

378LFI

NCA

C

378LF­

NCA

B LEFT FRONT MODULATOR VALVE

EC2 ABS ECU

378LFO

WABCO CABLE

WABCO CABLE

WABCO CABLE

LEFT REAR WHEEL SPEED SENSOR

RIGHT REAR WHEEL SPEED SENSOR

ATC VALVE (W/ ATC)

LEFT REAR MODULATOR VALVE

377RF+

NCA

377RF­

BRN

NCA BLK

377LF+

NCA

377LF­

BRN

BLK

378RR­

378RRI

NCA

NCA B

NCA

378RRO

C

A

378LRO

378LRI

NCA

NCA A

NCA

378LR­

C

B

378T+

NCA

378T­

NCA

NCA

377RR+

NCA

377RR­

BRN

NCA BLK

377LR+

NCA

377LR­

BRN

BLK

NCA

WABCO CABLE

RIGHT REAR MODULATOR VALVE

LEFT FRONT WHEEL SPEED SENSOR

RIGHT FRONT WHEEL SPEED SENSOR

205923

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

6/65

17/11/2016

Printer Friendly View

Fig 2: Anti­lock Brakes Circuit, Eaton

NCA

RED NCA

BRN

RED/WHT

YEL/BLU

NCA

376E

LCO NCA

31

NCA

4A 376C

NCA

376C

NCA

NCA

1922+A

J1922 D/L+

1 3

GND GND GND J1587 D/L­ J1587 D/L+ WHL SPIN LT­ RETARDER INTERRUPT SIG­ TRCTR ABS IND LT SIG­ LEFT FWD VALVE, OUT LEFT FWD VALVE, IN LEFT FWD VALVE, GND

376L

NCA

376L

NCA

A

1922­A

376L

NCA

A3

NCA

1922+A

376F

NCA

A6

1587­A

NCA

B3

1587+A

NCA

B10

376S

NCA

B4

4 376T

NCA

376C

8

NCA

376B

9

NCA

376A

10

NCA

GND3

11

NCA

GND2

NCA

GNDE

12

NCA

GND1

NCA

GNDE

13

NCA

1587­

14

NCA

1587+

A NCA

DATA LINK JUNCTION BLOCK

GNDE ABS GROUND

NCA

376S

17

NCA

376R

18

NCA

376L

1

NCA

378LFO

2

NCA

378LFI

3

NCA

378LF­

IND 3 1708­A 1708+A WHEEL SPIN WARN LT ABS WARNING LIGHTS/CLUSTER

BLU

2

BRN

3

GRN/YEL

1

15 16

TRACTOR ABS WARN LT

B

NCA

7

GNDE

6

A

B

+12V SPLY

NCA

NCA

A

+12V SPLY

NCA

GND3

2

NCA

IGN SPLY

GND3

1922­A

5 ATC SW MUD/SNOW SIG

ABS CHECK SWITCH

376D

ELECTRONIC ENGINE BULKHEAD CONNECTOR J1922 D/L­

POWER DISTRIBUTION MODULE

ABS TRAILER CIRCUIT BREAKER 30A

2A

NCA

NCA

30

HOT AT ALL TIMES

(OPTIONAL) ABS TRAILER CONNECTOR 5 4 3 2 1

AUXILIARY POWER MODULE

ABS BATT 1 CIRCUIT BREAKER 15A

376B

376T

NCA

NCA

2C

5B

ATC NORM/SPIN SWITCH

HOT AT ALL TIMES

ABS BATT 2 CIRCUIT BREAKER 15A

BRN/BLU

HOT AT ALL TIMES

ABS IGNITION CIRCUIT BREAKER 10A

376A

IGNITION POWER

RETARDER INTERRUPT CONNECTOR (OPTIONAL)

LH OUT LH IN LH GND LEFT FORWARD VALVE

A NCA

378

STOP LIGHT SWITCH

LEFT FWD SENSOR, HI LEFT FWD SENSOR, LO (EATON ABS)

STOP LT SIG

4

NCA

377LF+

5

NCA

377LF­

6

NCA

376J

4

NCA

377RF+

5

NCA

377RF­

7

NCA

378RFO

8

NCA

378RFI

9

NCA

378RF­

1

NCA

378LRO

2

NCA

378LRI

3

NCA

378LR­

4

NCA

378T­

5

NCA

377LR+

6

NCA

377LR­

7

NCA

378T+

8

NCA

377RR+

9

NCA

377RR­

10

NCA

378RRO

11

NCA

378RRI

12

NCA

378RR­

NCA

378

B 1 2 3

RIGHT FWD SENSOR, HI RIGHT FWD SENSOR, LO RIGHT FWD VALVE, OUT RIGHT FWD VALVE, IN RIGHT FWD VALVE, GND LEFT REAR VALVE, OUT LEFT REAR VALVE, IN LEFT REAR VALVE, GND ATC VALVE GND LEFT REAR SENSOR, HI LEFT REAR SENSOR, LO ATC VALVE PWR RIGHT REAR SENSOR, HI RIGHT REAR SENSOR, LO RIGHT REAR VALVE, OUT RIGHT REAR VALVE, IN RIGHT REAR VALVE, GND

6

C

13 14 15

205924

RIGHT REAR WHEEL SPEED SENSOR

LEFT REAR WHEEL SPEED SENSOR

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

377LF+

NCA

377LF­

BRN A NCA

NCA BLK B NCA

377RF+

NCA BRN A NCA

377RF­

NCA BLK B NCA

378RFO

NCA

378RFI

BLU 2

NCA BRN 3

RH IN

RH OUT

378RF­

NCA GRN/YEL

LEFT REAR COMB SOLENOID VALVE

RH GND

1

378LRO

NCA

378LRI

BLU 2

378LR­

NCA

LH IN

BRN 3

NCA

378T­

RIGHT REAR

LH OUT

ATC VALVE

LH GND

GRN/YEL 1

NCA BLK B

LO

378T+

NCA BRN A

378RRO

RH OUT

HI

NCA

378RRI

NCA

BLU 2

NCA

378RR­

RH IN

BRN 3

GRN/YEL RH GND

1

377LR+

NCA BRN A NCA

377LR­

NCA

377RR+

BLK B NCA

NCA BRN A NCA

NCA BLK B NCA

377RR­

D ABS ECU

RIGHT FRONT ABS VALVE

RIGHT FRONT WHEEL SPEED SENSOR

LEFT FRONT WHEEL SPEED SENSOR

7/65

17/11/2016

Printer Friendly View

Fig 3: Anti­lock Brakes Circuit, Rockwell WABCO

NCA

RED NCA

BRN

RED/WHT

YEL/BLU

NCA

376E

LCO NCA

31

NCA

4A 376C

NCA

376C

NCA

NCA

1922+A

J1922 D/L+

1 3

GND GND GND J1587 D/L­ J1587 D/L+ WHL SPIN LT­ RETARDER INTERRUPT SIG­ TRCTR ABS IND LT SIG­ LEFT FWD VALVE, OUT LEFT FWD VALVE, IN LEFT FWD VALVE, GND

376L

NCA

376L

NCA

A

1922­A

376L

NCA

A3

NCA

1922+A

376F

NCA

A6

1587­A

NCA

B3

1587+A

NCA

B10

376S

NCA

B4

4 376T

NCA

376C

8

NCA

376B

9

NCA

376A

10

NCA

GND3

11

NCA

GND2

NCA

GNDE

12

NCA

GND1

NCA

GNDE

13

NCA

1587­

14

NCA

1587+

A NCA

DATA LINK JUNCTION BLOCK

GNDE ABS GROUND

NCA

376S

17

NCA

376R

18

NCA

376L

1

NCA

378LFO

2

NCA

378LFI

3

NCA

378LF­

IND 3 1708­A 1708+A WHEEL SPIN WARN LT ABS WARNING LIGHTS/CLUSTER

BLU

2

BRN

3

GRN/YEL

1

15 16

TRACTOR ABS WARN LT

B

NCA

7

GNDE

6

A

B

+12V SPLY

NCA

NCA

A

+12V SPLY

NCA

GND3

2

NCA

IGN SPLY

GND3

1922­A

5 ATC SW MUD/SNOW SIG

ABS CHECK SWITCH

376D

ELECTRONIC ENGINE BULKHEAD CONNECTOR J1922 D/L­

POWER DISTRIBUTION MODULE

ABS TRAILER CIRCUIT BREAKER 30A

2A

NCA

NCA

30

HOT AT ALL TIMES

(OPTIONAL) ABS TRAILER CONNECTOR 5 4 3 2 1

AUXILIARY POWER MODULE

ABS BATT 1 CIRCUIT BREAKER 15A

376B

376T

NCA

NCA

2C

5B

ATC NORM/SPIN SWITCH

HOT AT ALL TIMES

ABS BATT 2 CIRCUIT BREAKER 15A

BRN/BLU

HOT AT ALL TIMES

ABS IGNITION CIRCUIT BREAKER 10A

376A

IGNITION POWER

RETARDER INTERRUPT CONNECTOR (OPTIONAL)

LH OUT LH IN LH GND LEFT FORWARD VALVE

A NCA

378

STOP LIGHT SWITCH

LEFT FWD SENSOR, HI LEFT FWD SENSOR, LO (EATON ABS)

STOP LT SIG

4

NCA

377LF+

5

NCA

377LF­

6

NCA

376J

4

NCA

377RF+

5

NCA

377RF­

7

NCA

378RFO

8

NCA

378RFI

9

NCA

378RF­

1

NCA

378LRO

2

NCA

378LRI

3

NCA

378LR­

4

NCA

378T­

5

NCA

377LR+

6

NCA

377LR­

7

NCA

378T+

8

NCA

377RR+

9

NCA

377RR­

10

NCA

378RRO

11

NCA

378RRI

12

NCA

378RR­

NCA

378

B 1 2 3

RIGHT FWD SENSOR, HI RIGHT FWD SENSOR, LO RIGHT FWD VALVE, OUT RIGHT FWD VALVE, IN RIGHT FWD VALVE, GND LEFT REAR VALVE, OUT LEFT REAR VALVE, IN LEFT REAR VALVE, GND ATC VALVE GND LEFT REAR SENSOR, HI LEFT REAR SENSOR, LO ATC VALVE PWR RIGHT REAR SENSOR, HI RIGHT REAR SENSOR, LO RIGHT REAR VALVE, OUT RIGHT REAR VALVE, IN RIGHT REAR VALVE, GND

6

C

13 14 15

205924

RIGHT REAR WHEEL SPEED SENSOR

LEFT REAR WHEEL SPEED SENSOR

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

377LF+

NCA

377LF­

BRN A NCA

NCA BLK B NCA

377RF+

NCA BRN A NCA

377RF­

NCA BLK B NCA

378RFO

NCA

378RFI

BLU 2

NCA BRN 3

RH IN

RH OUT

378RF­

NCA GRN/YEL

LEFT REAR COMB SOLENOID VALVE

RH GND

1

378LRO

NCA

378LRI

BLU 2

378LR­

NCA

LH IN

BRN 3

NCA

378T­

RIGHT REAR

LH OUT

ATC VALVE

LH GND

GRN/YEL 1

NCA BLK B

LO

378T+

NCA BRN A

378RRO

RH OUT

HI

NCA

378RRI

NCA

BLU 2

NCA

378RR­

RH IN

BRN 3

GRN/YEL RH GND

1

377LR+

NCA BRN A NCA

377LR­

NCA

377RR+

BLK B NCA

NCA BRN A NCA

NCA BLK B NCA

377RR­

D ABS ECU

RIGHT FRONT ABS VALVE

RIGHT FRONT WHEEL SPEED SENSOR

LEFT FRONT WHEEL SPEED SENSOR

8/65

17/11/2016

Printer Friendly View

ANTI­THEFT

SLEEPER CAB SECURITY SWITCHES

Fig 1: Anti­theft Circuit 1

NCA

GND

2

NCA

GND

1

NCA

GND

2

NCA

GND2

1

NCA

GND

NCA

GND2

POWER DISTRIBUTION MODULE SECURITY LED

NCA GND2

A NCA

B

B

A

NCA

NCA

NCA

A

H

B NCA

NCA

G

F

NCA

NCA

NCA

D

E NCA

A

C

NCA

NCA

LED­

LED+

46

46X

443

443

EFO

EF0

EE0

EE0

81C

81C

B2 B5 B9

GND

1

D439A

A8

NCA

2

A5

GND D439B

NCA

NCA

NCA

B

A2

2 3

NCA

GND3

4

NCA

GND2

5

NCA

UNLOCK

185

NCA

D2

46X

NCA

C1

46XY

NCA

D3

46AA

NCA

C3

GND

NCA

D1

185

NCA

D5

6 7 8

NCA

LOCK

9

NCA

LED+

10 11 GND

NCA

FLASHER

14

NCA

D439B

15

NCA

D439A

16

NCA

GND4

RELAY 6

46

NCA

C4

46A

NCA

C6

GND

NCA

D4

EF0

NCA

D8

NCA

NCA

13

46XY

NCA

C7

GND

12

185

NCA

C9

GND

NCA

D7

GND

NCA

B3

GND3

NCA

A1

108D

NCA

A3

GND

NCA

B1

EE

NCA

B6

17 18 19

NCA

LED­

20 21

NCA

81C RELAY 5

22 23 24 25 26

NCA

EE

NCA

SECURITY SYSTEM ELECTRONIC CONTROL MODULE A

GND4

B

NCA

GND

PROGRAM SWITCH

NCA GND

NCA

46A

B

NCA

46AA

RELAY 1 NCA GND NCA

A

GND

SECURITY HARNESS CONNECTORS

RELAY 4

NCA GND GND

NCA

NCA

INTERIOR LIGHTS SYSTEM

NCA

GND

41

NCA

A4

108D

NCA

A6

GND

NCA

B4

EF

NCA

B8

EF­P

NCA

A7

GND

NCA

B7

46A

NCA

A9

46A

NCA

108D

NCA

LOCK

A

NCA

443

G

NCA

443A

DOOR

B

NCA

443B

LOCK

D

NCA

443BB

ACTUATORS

E

NCA

443AA

RELAY 3

C5 C8

GND

ROCKWELL RELAY MODULE

C2

24A

C

A NCA

LOCK (GND) LOCK POWER

24A

UNLOCK

B NCA

24A

NCA

443A

NCA

F

A NCA

D

443B

46AA

B NCA

NCA

443A

46A

C

A NCA

EF0­P

NCA

443B

GND

NCA

B NCA

UNLOCK (GND)

NCA

E

443BB

HORN (GND)

F A

RELAY 2

B NCA

FLASHER PWR

FLASHER

443AA

BATT POWER

NCA

A NCA

PRIMARY GND FLASHER PWR

B

NCA

FLASHER PWR

D6 D9 PDM RELAY MODULE

205960

MAIN SECURITY HARNESS MATING CONNECTOR

RIGHT DOOR HARNESS MATING CONNECTOR

LEFT DOOR HARNESS MATING CONNECTOR

BULKHEAD SECURITY HARNESS CONNECTOR

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

9/65

17/11/2016

Printer Friendly View

COMPUTER DATA LINES Fig 1: Computer Data Lines Circuit, ICU1

NCA

1587+C

NCA

1587­C

NCA

1587+E

NCA

1587­E

NCA

1587+P

NCA

1587­P

NCA

1587+

NCA

1587­

NCA

1587+J

NCA

1587­J

1587+C

NCA

B10

1587­C

NCA

B3

LEFT ICU LEFT ICU INSTRUMENTATION CONTROL UNIT

1587+E

NCA

N27

NCA 27

1587­E

NCA

N08

NCA

8 ENGINE ECU

DATA LINK JUNCTION B­PANEL

1587+P

NCA

A

1587­P

NCA

B

ACPU ECU

NCA

NCA 1587+

1587­

NCA

NCA 1587+

1587­

NCA

1587­L

1587­

NCA 1587+A

1587+L

NCA

1587­A

1587+

NCA

P1­14

1587­

NCA

NCA

1587­A

NCA

P1­13

1587+A

NCA

NCA 1587­

1587­

NCA

1587+

1587+

NCA

B

1587­

NCA

NCA

1587+

NCA

A

NCA

NCA

ELECTRONIC TRANSMISSION ECU

A6 NCA

1587+J

NCA

1587­J

NCA

A5

DATA LINK JUNCTION B­PILLAR

NCA

1587+

DIAGNOSTIC CONNECTOR

205957

DATA LOGGING UNIT

ABS ECU

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

ECAS ECU

SAT ECU

10/65

17/11/2016

Printer Friendly View

Fig 2: Computer Data Lines Circuit, ICU2L, ICU2M, ICU3

NCA

1587+C

NCA

1587­C

NCA

1587­C

NCA

1587+C

NCA

1587+E

NCA

1587­E

NCA

1587+P

NCA

1587­P

NCA

1587+

NCA

1587­

NCA

1587+J

NCA

1587­J

1587+C

NCA

B10

1587­C

NCA

B3

1587­C

NCA

1587+C

NCA

LEFT ICU LEFT ICU

A5

RIGHT ICU

A4

RIGHT ICU INSTRUMENTATION CONTROL UNIT

1587+E

NCA

N27

NCA 27

1587­E

NCA

N08

NCA

8 ENGINE ECU

DATA LINK JUNCTION B­PANEL

1587+P

NCA

A

1587­P

NCA

B

ACPU ECU

NCA

NCA 1587+

1587­

NCA

NCA 1587+

1587­

NCA

1587­L

1587­

NCA 1587+A

1587+L

NCA

1587­A

1587+

NCA

P1­14

1587­

NCA

NCA

1587­A

NCA

P1­13

1587+A

NCA

NCA 1587­

1587­

NCA

1587+

1587+

NCA

B

1587­

NCA

NCA

1587+

NCA

A

NCA

NCA

ELECTRONIC TRANSMISSION ECU

A6 NCA

1587+J

NCA

1587­J

NCA

A5

DATA LINK JUNCTION B­PILLAR

NCA

1587+

DIAGNOSTIC CONNECTOR

205959

DATA LOGGING UNIT

ABS ECU

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

ECAS ECU

SAT ECU

11/65

17/11/2016

Printer Friendly View

CRUISE CONTROL Fig 1: Cruise Control Circuit, Caterpillar HOT IN IGNITION

HOT AT ALL TIMES

IGN CONTROLLED CB 15A

NCA

C993

A

NCA

C992

A NCA

NCA

NCA

52 A

DIAGNOSTIC CONNECTOR

B

J1587­

NCA

B

A

J1587+

NCA

A

J1587+

NCA

A

J1587­

NCA

B

C715

A6

AC1 C987

NCA

IGNITION SWITCH

IGN FUSE 10A

52

POWER DISTRIBUTION MODULE

JUNCTION BLOCK

SERVICE BRAKE C/O SWITCH (MAIN AIR JUNCTION BLOCK) B

NCA

C993

C A

NCA

C986

NCA

C985

J1587­

NCA

B3

J1587+

NCA

B10

J1587­E

NCA

B2

J1587+E

NCA

A11

C659

NCA

C16

C799

NCA

C15

THROTTLE POSITION SENSOR (ON THROTTLE PEDAL)

J1587 BUS J1587 BUS J1587 BUS J1587 BUS ENGINE PROTECTION LAMP (RED) CHK ENGINE LAMP (YEL) INSTRUMENT CLUSTER

81C

INTERIOR LIGHTS SYSTEM

NCA

9 OFF

+8V TPS SIG SERVICE BRAKE SW BATTERY (+) J1587­ J1587+ CRU CTRL ON/OFF WARNING LAMP CHECK ENGINE LAMP SET RESUME +BAT EVENT RECORD CLUTCH SW J1922+ J1922­ VEHICLE SPEED IN­ VEHICLE SPEED IN­ SENSOR COMMON BATTERY (­)

35

NCA

C985

37

NCA

C986

14

NCA

C992

6

NCA

C987

1

NCA

C792

NCA

J1587­E

7

NCA

C793

NCA

J1587+E

20

NCA

C975

27

NCA

C659

22

NCA

C799

7 29A

NCA

10 ON 8

25

NCA

C978

15

NCA

C979

4

NCA

C715

24

NCA

C977

9

NCA

C721

NCA

J1922+

3

NCA

C720

NCA

J1922­

12

NCA

C785

18

NCA

C784

29

NCA

C993

5

NCA

C988

NCA

C993

NCA

2

C975

NCA

3

GND

NCA

6

C993 5 CRUISE ON/OFF SWITCH (AUX SWITCH PANEL)

40­PIN

29A

NCA

INTERIOR LIGHTS SYSTEM

ENGINE CONTROL MODULE

CYL HD GND STUD A NCA

C440

NCA

C993

LOW COOLANT LEVEL PROBE

10

GND

NCA

8

C978

NCA

1

C979

NCA

3

C993

NCA

2

SET

C993 B RED

C977 NCA

NCA C BLK

A

ENGINE BRAKE CONNECTOR

RESUME CRUISE SET/RESUME SWITCH (AUX SWITCH PANEL)

WHT

SET A

RES B

COM D

PAUSE B

PAUSE A SHIFTER

C993

NCA B

9

CRUISE CONTROL SWITCH (IF EQUIPPED)

205815

NCA

7 NCA

NCA

C978

NCA

C

C979

NCA D

A

C993

C977

NCA

C993

NCA

C979

NCA

J1922+

C

J1922­

NCA

B

NCA

A

VEHICLE SPEED SENSOR F DATA LINK E CONNECTOR

29A

SWITCH LIGHT GROUND

C785 C978

NCA

NCA

C784

C977

B

NCA

NCA

BLK

A

D

BLK

GND

CRUISE CONTROL CLUTCH SWITCH

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

12/65

17/11/2016

Printer Friendly View

Fig 2: Cruise Control Circuit, Cummins HOT IN IGNITION POWER DISTRIBUTION MODULE

HOT AT ALL TIMES

IGN CONTROLLED CB 10A

HOT AT ALL TIMES DIAGNOSTIC CONNECTOR

FUSE 15A

B

J1587­

NCA

B

A

J1587+

NCA

A

J1587+

NCA

A

J1587­

NCA

B

A

NCA

NCA

NCA

NC22

NCA

NC20

NCA

(MAIN AIR JUNCTION BLOCK) SERVICE BRAKE C/O SWITCH A

NC26

AC1

FUSE 15A

JUNCTION BLOCK

N10

J1587­

NCA

B3

J1587+

NCA

B10

J1587 BUS J1587 BUS

J1587­E

NCA

B2

J1587+E

NCA

A11

N16

NCA

C14

STOP ENG IND (RED)

N25

NCA

C15

CHK ENGINE IND (YEL)

N01

NCA

C16

ENGINE PROT IND (RED)

J1587 BUS J1587 BUS

N13

(ON THROTTLE PEDAL) TPS/IVS NCA F

N10

E

NCA

N06

D

NCA

N09

C

NCA

N18

B A

NCA

N19

NCA

N11

INSTRUMENT CLUSTER (LEFT CLUSTER) 81C

INTERIOR LIGHTS SYSTEM

NCA

9 ON

7

TPS +5V DC VALIDATION IDLE SIG SERVICE BRAKE SW

NCA

N11

19

NCA

N19

18

NCA

N18

9

NCA

N09

6

NCA

N06

13

NCA

N13

BATT+ BATT+

STOP ENG LAMP CRUISE ON SIG CHECK ENG LAMP ENG WARN LAMP CRU SET SIG CRU RESUME SIG IDLE DECREMENT IDLE DECREMENT CLUTCH SW IN

N10

NCA

8 2

N02

NCA

3

GND

NCA

OFF

NC26

NCA

B

NCA

NC09

1

NCA

A

NCA

NC20

NCA

C

NCA

NC22

6 4 5

NCA

N08

NCA

J1587­E

27

NCA

N27

NCA

J1587+E

16

NCA

N16

2

NCA

N02

29A

NCA

10

25

NCA

N25

GND

NCA

1

NCA

N01

N10

NCA

8 2

12

NCA

N12

NA16

NCA

3

22

NCA

N22

14

NCA

N14

23

NCA

N23

4

NCA

CRUISE ON/OFF SWITCH (AUX SWITCH PANEL)

CHECK ENGINE SWITCH (LEFT SWITCH PANEL)

N04

28­PIN CONN

J1922­

VSS INPUT SIGNAL

10

8

J1922+

VSS INPUT RET

NCA

3­PIN CONN

DIAGN TEST SW

SWITCH COMMON

NCA

21­PIN CONN

BATT­

J1587­

A

NCA

IGN INPUT

J1587+

29A

28­PIN CONN

NCA

V

NCA

NA16

NCA

N

NCA

NA05

NCA

J1922+

NCA

P

NCA

NA23

NCA

J1922­

29A

21­PIN CONN 10

NCA

N10

7

NCA

N07

3

NCA

N03

NCA

GND

N10

TPS INPUT RET VALID OFF­IDLE SIG

11

NCA

TPS INPUT SIG

INTERIOR LIGHTS SYSTEM

NCA

PANEL LIGHT GROUND 7

28­PIN CONN

29A

NCA

DEC

10

ENGINE CONTROL MODULE 9 BLK

BLK

A

B

NCA

NCA

N03

N07

GND

NCA

N10

NCA

8 2

N14

NCA

3

N23

NCA

1

INC

VEHICLE SPEED SENSOR N22

N12

NCA

8

29A

NCA

10

N12

NCA

1

SET

N22

NCA NCA

3 2

RESUME

N10

9

RESUME

SET

C NCA

B RED

A NCA

BLK

SET

N10

CRUISE SET/RESUME SWITCH (AUX SWITCH PANEL) NCA

N10

WHT

A

RES B

COM D

PAUSE B

A

PAUSE

N04

CRUISE CONTROL SWITCH (IF EQUIPPED)

SHIFTER

GND NCA

NCA

7

B

C

N10 NCA A

N04 NCA

N22

N10 NCA

D

B

NCA

J1922+

NCA

NCA

C

J1922­ NCA

NCA

D

F DATA LINK E CONNECTOR

A

N04

N12

IDLE INC/DEC SWITCH (LEFT SWITCH PANEL)

ENGINE BRAKE CONNECTOR 205816

CRUISE CONTROL CLUTCH SWITCH

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

13/65

17/11/2016

Printer Friendly View

Fig 3: Cruise Control Circuit, Detroit Diesel HOT IN IGNITION POWER DISTRIBUTION MODULE

HOT AT ALL TIMES

IGN CONTROLLED CB 10A

HOT IN IGNITION DIAGNOSTIC CONNECTOR

NCA

A

NCA

J1587­

NCA

B

J1587+

NCA

A

J1587+

NCA

A

J1587­

NCA

B

81C

NCA

D240

NCA

D439

NCA

(MAIN AIR JUNCTION BLOCK) SERVICE BRAKE CUTOUT SWITCH A

B A

A

AC1

FUSE 15A

JUNCTION BLOCK

D953

D543

J1587­

NCA

B3

J1587+

NCA

B10

J1587­E

NCA

B2

J1587+E

NCA

A11

J1587 BUS J1587 BUS J1587 BUS J1587 BUS

A

NCA

D510

C

NCA

D916

D419

NCA

C15

CHK ENGINE (YEL)

D952

D509

NCA

C16

ENGINE PROTECTION (RED)

NCA NCA

B

NCA REMOTE TPS C A

NCA

B

NCA

INSTRUMENT CLUSTER (LEFT CLUSTER)

NCA D417

81C

THROTTLE POSITION SENSOR (ON THROTTLE PEDAL) TPS SIG TPS +5V DC TPS GND PTO/VSG SERVICE BRAKE SW IGN INPUT IGN INPUT

NCA

9 7

D2

NCA

D417

A3

NCA

D916

C3

NCA

D952

D1

NCA

D510

G2

NCA

D543

B3

NCA

D439

29A

NCA

10

D953

NCA

8 2

D544

NCA

3

GND

NCA

6

30­PIN CONN C

NCA

D439

COMM CONN 5

INJECTOR GND ECM POWER ECM POWER

B

NCA

D151

A

NCA

D240

C

NCA

D241

NCA

CRUISE ON/OFF SWITCH (AUX SWITCH PANEL)

D240

ECM POWER CONN 29A

CRUISE ENABLE CHECK ENG LAMP S/D LAMP SET/ACCEL RESUME/COAST DIAG REQ S/D O/R CLUTCH SWITCH PARK BRAKE VEHICLE SPEED (­) VEHICLE SPEED (+) INJECTOR GROUND ECM GROUND J1922+ J1922­

INTERIOR LIGHTS SYSTEM

NCA

D901

NCA

J1587­E

C2

NCA

D900

NCA

J1587+E

F2

NCA

D544

B1

NCA

D419

B2

NCA

D509

J1

NCA

D541

G3

NCA

D545

G1

NCA

D528

J2

NCA

D531

29A

NCA

10

H2

NCA

D524

GND

NCA

8

E3

NCA

D557

E2

NCA

D556

GND

30­PIN CONN E

NCA

D150

D

NCA

D150

NCA

SWITCH GROUND

9

NCA

D953

NCA

7 2

D528

NCA

3

NCA

ECM POWER CONN A

NCA

D800

B

NCA

D801

COMM CONN

1 NCA

D150

J1587+ DATA LINK

NCA

C1

NCA

J1587­ DATA LINK

ENGINE CONTROLS SYSTEM

D953

DIAGNOSTIC REQUEST & S/D OVERRIDE (LEFT SWITCH PANEL)

ENGINE CONTROL MODULE F DATA LINK E CONNECTOR

NCA

J1922­

NCA

J1922+

BLK

A

NCA

D556

BLK

B

NCA

D557

GND

NCA

8 7

D541

NCA

1

SET

D545

NCA

RESUME

D953

NCA

3 2

B RED

CRUISE CONTROL CLUTCH SWITCH

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

D953

C NCA BLK

WHT

D541

CRUISE SET/RESUME SWITCH (AUX SWITCH PANEL)

D531 A NCA

A NCA D953

A NCA D524

SET

RES B

10

D953

A

PARK BRAKE CUTOUT SWITCH (MAIN AIR JUNCTION BLOCK)

NCA

NCA

D953

D545 NCA

NCA

NCA B

C

A

D531 NCA D

D545

D953 NCA

NCA

NCA B

C

COM D

PAUSE

PAUSE A

SHIFTER

205817

A

D531 NCA D CRUISE CONTROL SWITCH (IF EQUIPPED)

B

VEHICLE SPEED SENSOR

D541

9 29A

SENSOR COMMON TAP (OPTIONAL)

14/65

17/11/2016

Printer Friendly View

Fig 4: Cruise Control Circuit, Mercedes Benz W/ Shift and Cruise Eaton (1 of 2) CRUISE ON/OFF SWITCH

HOT AT ALL TIMES

IGNITION

5

4

6 GND3

NCA

3 440D

2 440

NCA

NCA

8

10 NCA

29AC

7

9 81C

NCA

1

81C

440C

NCA

NCA

81C

440C*

NCA

NCA

A

439C

C

NCA

B

B

CIRCUIT BREAKER 15A

A

POWER DISTRIBUTION MODULE

B CLUTCH SWITCH 81C

NCA

440

NCA

GND3

NCA

1

1 CLUTCH IDLE VALID 5V GND CC SET/COAST CC RESUME/ACCEL CC ON/OFF SWITCH

2

NCA

440C

3

NCA

440G

4

NCA

440E

5

NCA

440F

6

NCA

440D 29AC

NCA

9 440E

10

NCA

11 12

A/C STATUS FAN OVERRIDE

3

7 8

SHUT DOWN OVERRIDE

2

13

NCA

440U

14

NCA

440Y

15

NCA

440Z

1

NCA

439B

2

NCA

439A

3

440F

NCA

440U

NCA

440Z

NCA

440H

NCA

431C

NCA

440A

NCA

440G

NCA

16

4 5 6 7 8

17 18 VC3

NCA

440V1

440V1

NCA

13

NCA

440V2

440V2

NCA

14

NCA

440P­

440P­

NCA

15

NCA

440B

440P­

NCA

16 17

NCA

1587+E

(OR J1587+)

A

18

NCA

1587­E

NCA

J1939+

(OR J1587­) 2

B

19 20 21

NCA

J1939­

NCA

439N

4

DATA LINK CONNECTOR

DIAGNOSTIC CONNECTOR

B

NCA

C

GND

NCA

A 440D

NCA

439N

NCA

440L

NCA

439S+

440F

NCA

4

NCA

439S­

440E

NCA

5

440

NCA

6

12D

NCA

440C*

NCA

440

NCA

120D

NCA

7

NCA

440L

8 9

NCA

431D

10

NCA

431B

NCA

439D+

NCA

439D­

12 13 14 15 16 17 18

GND

NCA

A

97C

NCA

B

30

NCA

A

30G

NCA

B

19 20 21 22 23 24 25 26 27 28

11 NCA 439C

13 14 15

A/C COMPRESSOR

VEHICLE SPEED SENSOR

472M

472L

NCA

NCA G

30G NCA

F

30 NCA

E

97C NCA C

D

120B NCA B

12D NCA

472K

A

440

NCA

FRONTWALL HARNESS

H

G

439L

NCA F

440Y NCA

439L

NCA

E

NCA

D

C

NCA 439C 6

BAT POWER

NCA GNDE 11 NCA GNDE

ECU GND

NCA 439D+ 1

9

ECU GND

VCU/PDU CAN LOW

VCU/PDU CAN HIGH

439S+

BLK

2

NCA 439D­

NCA B

439S­

VC4

BLK 205818

D

NCA

439A

NCA

A

VEHICLE CONTROL UNIT

NCA

431B

3

NCA

VUC/PDU CAN LOW

NCA

431D

2

12 VUC/PDU CAN HIGH

GND

ENGINE BLOCK

VC1 1

11

AIR INTAKE HEATER

472J

GRID HTR/FLAME STRT

12

472H

FLAME STRT FUEL VLV

NCA

NCA

COOLANT LEVEL

440T

NCA

VSS GND

440T

B

VSS SIGNAL

NCA

A

TRANS SW NEUTRAL

11

55­PIN CONN

J1939­

NCA

40 NCA 472M

J1587­ J1939+

440P+

439A

J1587+

440P+

10

51 NCA 472J 42 NCA 472L

SERVICE BRAKE

NCA

9

NCA

TPS SENSOR COMMON

8

43 NCA 439L+ 12 NCA 472H

IDLE VALIDATE SW2

431C

41 NCA 439L+

IDLE VALIDATE SW1

440A

NCA

11 NCA 472K

TPS SIGNAL

NCA

7

17­PIN CONN

TPS PWR

440H

6

NCA 439C

PREHTR IND LP SIG

440

NCA

IGN PWR

STOP ENG CHECK ENG

NCA

5

9 10

4

15 NCA 439A

SENSOR COMMON

POWER DISTRIBUTION SYSTEM

439A

NCA

5

SWITCHED BATT +

POWER DISTRIBUTION SYSTEM

BAT POWER

UN SW BAT+

TRANSMISSION TEMPERATURE SENSOR

FRONTWALL HARNESS CONNECTOR

ENGINE CONTROL MODULE

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

15/65

17/11/2016

Printer Friendly View

Fig 5: Cruise Control Circuit, Mercedes Benz W/ Shift and Cruise Eaton (2 of 2) FAN SWITCH

ON

SENSOR COMMON SPLICE PACK

OFF

3

4 5 6 7 8

9 10

81C

NCA

440

NCA

A

C

B

NCA

NCA

NCA

440

440

5

4

6 GND4

1

NCA

3 440Z

2 440

NCA

8

NCA

29AF

7

10 NCA

81C

NCA

NCA

29AF

NCA

29AB

9 2

NCA

GND2

NCA 1

440

INTERIOR LIGHTS SYSTEM

2

440

NCA

GND3

GND7

NCA

8

NCA

29AC

29AD

NCA

10

NCA

440E

440E

NCA

1

SET

NCA

440F

440F

NCA

3

RESUME

NCA

440U

NCA

440Z

NCA

440H

7 9

NCA

CRUISE SET/RESUME SWITCH (AUX SWITCH PANEL)

440H

431C

431C

NCA

C14

NCA

LC2 C6

STOP ENGINE IND GRID HEATER IND

LC1 440A

NCA

CHK ENGINE IND

C15 LC2

11 12 13 14 15 16 17 18

NCA

440A

NCA

440G

NCA

440P+

NCA

440T

NCA

440V1

NCA NCA NCA

440P­

INSTRUMENT CLUSTER 440G

NCA

F

440V1

NCA

D

440V2

440V2

NCA

E

440P­

440T

NCA

A

440P+

NCA

C

440P­

NCA

B

NCA

B

TPS

120D

THROTTLE PEDAL

12D

NCA

A

IVS

7

23 24 25 26 27

440L

NCA

440F

NCA

440E

NCA

440

NCA

12D

NCA

440C*

NCA

440

NCA

120D

RESUME INTERIOR LIGHTS SYSTEM

29AE

NCA

10

GND5

NCA

8

SET

1

440U

NCA

3

NCA

2

440 NCA 440

28

439N

NCA

440

22

NCA

440

21

NCA

20

9

NCA

19

A/C COMPRESSOR NCA 440D

36G

36G

NCA

NCA

NCA

36G

B NCA

36G

A NCA

36

87A

440B

NCA 30

36G

NCA

NCA

440

GND

85

86

87

NCA

NCA

440L

NCA A

440

NCA B

440F

440E

NCA

NCA E

F

440D

440

NCA

440

NCA B

A

NCA D

440K

NCA E

440J

440J

NCA

440K

NCA

NCA F

12

439N

13

27

NCA

NCA

SHUTDOWN O/R

SERVICE BRAKE SWITCH

ENGINE FRONTWALL CONNECTOR

SHIFTER ENGINE BRAKE SWITCH

EATON SHIFTER KNOB

LOW COOLANT LEVEL

SERVICE BRAKE RELAY

BRAKE SWITCH

SERVICE BRAKE

205819

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

16/65

17/11/2016

Printer Friendly View

Fig 6: Cruise Control Circuit, Mercedes Benz W/ Shift and Cruise Meritor (1 of 2) CRUISE ON/OFF SWITCH

HOT AT ALL TIMES

IGNITION POWER DISTRIBUTION MODULE

4

5

GND3

6

1 440D

NCA

2

3 440

NCA

8

NCA

81C

NCA

29AC

NCA

81C

NCA

81C

7

440C

10

440C*

NCA

NCA

NCA

A

9

C

439C

NCA

B

A

B

CIRCUIT BREAKER 15A

B CLUTCH SWITCH 81C

NCA

1

1 CLUTCH IDLE VALID 5V GND CC SET/COAST CC RESUME/ACCEL CC ON/OFF SWITCH

2

NCA

440C

3

NCA

440G

4

NCA

440E

5

NCA

440F

6

NCA

440D

440

NCA

GND3

NCA

29AC

NCA

9 440E

10

NCA

11 12

A/C STATUS FAN OVERRIDE

3

7 8

SHUT DOWN OVERRIDE

2

13

NCA

440U

14

NCA

440Y

15

NCA

440Z

1

NCA

439B

2

NCA

439A

3

440F

NCA

440U

NCA

440Z

NCA

16

4 5 6 7 8

17 18 VC3

SENSOR COMMON STOP ENG CHECK ENG PREHTR IND LP SIG TPS PWR TPS SIGNAL IDLE VALIDATE SW1 IDLE VALIDATE SW2 TPS SENSOR COMMON SERVICE BRAKE J1587+ J1587­ J1939+ J1939­

TRANS SW NEUTRAL VSS SIGNAL VSS GND

NCA

440

5

NCA

440H

6

NCA

440A

7

NCA

431C

POWER DISTRIBUTION SYSTEM

439A

NCA

8

440P+

NCA

440T

440T

NCA

12

NCA

440V1

440V1

NCA

13

NCA

440V2

440V2

NCA

14

NCA

440P­

440P­

NCA

15

NCA

440B

440P­

NCA

16 17

NCA

1587+E

(OR J1587+)

A

18

NCA

1587­E

(OR J1587­)

B

19

NCA

J1939+

2

20 21

NCA

J1939­

NCA

439N

4

AIR INTAKE HEATER

DATA LINK CONNECTOR

DIAGNOSTIC CONNECTOR

1

GND

ENGINE BLOCK

VC1

NCA

431D

NCA

431B

NCA

B

439A

NCA

C

NCA

A

GND

440D

NCA

439N

NCA

440L

NCA

3

NCA

439S+

440F

NCA

4

NCA

439S­

440E

NCA

440

NCA

12D

NCA

NCA

440L

440C*

NCA

440

NCA

9

NCA

431D

120D

NCA

10

NCA

431B

NCA

439D+

NCA

439D­

5 7 8

11 12 13 14 15 16 17 18

GND

NCA

A

97C

NCA

B

19 20 21 22 23 24 25 26 27 28

11 NCA 439C

13 14 15

A/C COMPRESSOR

30

30G

472M

472L

NCA

NCA

NCA

E

F

G

97C NCA C

NCA

120B NCA

D

12D NCA

472K

B

440

NCA G

A

440Y

NCA F

FRONTWALL HARNESS

H

439L

NCA

439L

NCA

NCA C

E

472J NCA B

D

472H NCA A

55­PIN CONN

40 NCA 472M

42 NCA 472L

51 NCA 472J

12 NCA 472H

43 NCA 439L+

41 NCA 439L+

11 NCA 472K

NCA 439C

17­PIN CONN

IGN PWR

15 NCA 439A

NCA GNDE

NCA 439D+

NCA 439C

BAT POWER

6

9

1

11 NCA GNDE

ECU GND

ECU GND

VCU/PDU CAN LOW

VCU/PDU CAN HIGH

439S+

BLK

BLK

2

NCA 439D­

NCA B

439S­

VC4

VEHICLE SPEED SENSOR 207746

9 10

D

2

A

VEHICLE CONTROL UNIT

NCA

440P+

NCA

VUC/PDU CAN LOW

NCA

440G

NCA

12 VUC/PDU CAN HIGH

440A

NCA

5

GRID HTR/FLAME STRT

NCA

10

BAT POWER

FLAME STRT FUEL VLV

NCA

11

9

6 COOLANT LEVEL

440H 431C

4

439A

SWITCHED BATT +

POWER DISTRIBUTION SYSTEM

NCA

UN SW BAT+

30

NCA

A

30G

NCA

B TRANSMISSION TEMPERATURE SENSOR

FRONTWALL HARNESS CONNECTOR

ENGINE CONTROL MODULE

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

17/65

17/11/2016

Printer Friendly View

Fig 7: Cruise Control Circuit, Mercedes Benz W/ Shift and Cruise Meritor (2 of 2) FAN SWITCH

ON

SENSOR COMMON SPLICE PACK

OFF

3

4 5 6 7 8

9 10

A

C

B

NCA

NCA

NCA

440

440

4

5

440

NCA

440Z

GND4

6

1

2

3 440

NCA

7

8

NCA

29AF

NCA

81C

NCA

NCA

29AF

NCA

29AB

9 2

GND2

NCA 1

10

INTERIOR LIGHTS SYSTEM

NCA

81C

NCA

440

440

NCA

2

NCA

GND3

GND7

NCA

8

NCA

29AC

29AD

NCA

NCA

440E

440E

NCA

1

SET

NCA

440F

440F

NCA

3

RESUME

NCA

440U

NCA

440Z

NCA

440H

7 9

NCA

10

CRUISE SET/RESUME SWITCH (AUX SWITCH PANEL)

440H

431C

431C

NCA

C14

NCA

LC2 C6

STOP ENGINE IND GRID HEATER IND

LC1 440A

NCA

CHK ENGINE IND

C15 LC2

11 12 13 14 15 16 17 18

NCA

440A

NCA

440G

NCA

440P+

NCA

440T

NCA

440V1

NCA NCA NCA

440P­

INSTRUMENT CLUSTER 440G

NCA

F

440V1

NCA

D

440V2

440V2

NCA

E

440P­

440T

NCA

A

440P+

NCA

C

440P­

NCA

B

ENGINE FRONTWALL CONNECTOR

27

2

NCA

IVS

TPS

439N

NCA

440D

THROTTLE PEDAL 7 9

26 27

440

NCA

12D

NCA

440C*

NCA

440

NCA

120D

440

440E

NCA

NCA

NCA

RESUME INTERIOR LIGHTS SYSTEM

29AE

NCA

10

GND5

NCA

8

SET

1 NCA

440 440U

NCA

3

NCA

2

440 SHUTDOWN O/R

RES

SHIFTER (IF EQUIPPED)

36G

36G

NCA

NCA

NCA

36G

B NCA

36G

A NCA

36

87A

440B

NCA 30

36G

NCA

NCA

GND

85

440

NCA 87

86

NCA SERVICE BRAKE SWITCH

COM A/C COMPRESSOR

440L

NCA A

440

NCA B

440

NCA D

C

B SET

440F

NCA

440E

NCA

440

NCA

PAUSE

A

440C*

A

NCA B

12D

120D

NCA A

B

NCA

NCA

NCA 440

28

440F

440

25

440L

NCA

NCA

24

439N

NCA

440F

22 23

440D

NCA

NCA

21

NCA

440E

20

NCA

19

LOW COOLANT LEVEL

SERVICE BRAKE RELAY

BRAKE SWITCH

SERVICE BRAKE

207747

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

18/65

17/11/2016

Printer Friendly View

Fig 8: Cruise Control Circuit, Mercedes Benz W/O Shift and Cruise (1 of 2) CRUISE ON/OFF SWITCH

HOT AT ALL TIMES

IGNITION POWER DISTRIBUTION MODULE

4

5

GND3

1

6 NCA

440D

NCA

3

2 440

8

NCA

81C

NCA

29AC

NCA

81C

NCA

81C

7

440C

10

440C*

NCA

NCA

NCA

A

9

C

439C

NCA

B

A

B

CIRCUIT BREAKER 15A

B CLUTCH SWITCH 81C

NCA

1

1 CLUTCH IDLE VALID 5V GND CC SET/COAST CC RESUME/ACCEL CC ON/OFF SWITCH

2

NCA

440C

3

NCA

440G

4

NCA

440E

5

NCA

440F

6

NCA

440D

440

NCA

GND3

NCA

29AC

NCA

9 440E

10

NCA

11 12

A/C STATUS FAN OVERRIDE

3

7 8

SHUT DOWN OVERRIDE

2

13

NCA

440U

14

NCA

440Y

15

NCA

440Z

1

NCA

439B

2

NCA

439A

3

440F

NCA

440U

NCA

440Z

NCA

16

4 5 6 7 8

17 18 VC3

SENSOR COMMON STOP ENG CHECK ENG PREHTR IND LP SIG TPS PWR TPS SIGNAL IDLE VALIDATE SW1 IDLE VALIDATE SW2 TPS SENSOR COMMON SERVICE BRAKE J1587+ J1587­ J1939+ J1939­

TRANS SW NEUTRAL VSS SIGNAL VSS GND

NCA

440

5

NCA

440H

6

NCA

440A

7

NCA

431C

POWER DISTRIBUTION SYSTEM

439A

NCA

8

440P+

NCA

440T

440T

NCA

12

NCA

440V1

440V1

NCA

13

NCA

440V2

440V2

NCA

14

NCA

440P­

440P­

NCA

15

NCA

440B

440P­

NCA

16 17

NCA

1587+E

(OR J1587+)

A

18

NCA

1587­E

(OR J1587­)

B

19

NCA

J1939+

2

20 21

NCA

J1939­

NCA

439N

4

AIR INTAKE HEATER

DATA LINK CONNECTOR

DIAGNOSTIC CONNECTOR

1

GND

ENGINE BLOCK

VC1

NCA

431D

NCA

431B

NCA

B

439A

NCA

C

NCA

A

GND

440D

NCA

439N

NCA

440L

NCA

3

NCA

439S+

440F

NCA

4

NCA

439S­

440E

NCA

440

NCA

12D

NCA

NCA

440L

440C*

NCA

440

NCA

9

NCA

431D

120D

NCA

10

NCA

431B

NCA

439D+

NCA

439D­

5 7 8

11 12 13 14 15 16 17 18

GND

NCA

A

97C

NCA

B

19 20 21 22 23 24 25 26 27 28

11 NCA 439C

13 14 15

A/C COMPRESSOR

30

30G

472M

472L

NCA

NCA

NCA

E

F

G

97C NCA C

NCA

120B NCA

D

12D NCA

472K NCA G

B

440 NCA

A

440Y NCA

FRONTWALL HARNESS

H

439L NCA

F

439L NCA C

E

472J NCA B

D

472H NCA A

55­PIN CONN

40 NCA 472M

42 NCA 472L

51 NCA 472J

12 NCA 472H

43 NCA 439L+

41 NCA 439L+

11 NCA 472K

NCA 439C

17­PIN CONN

IGN PWR

NCA 439C

NCA GNDE

15 NCA 439A

6

ECU GND

BAT POWER

NCA 439D+

NCA 439D­

11 NCA GNDE

1

2

9

ECU GND

VCU/PDU CAN LOW

BLK

BLK

VCU/PDU CAN HIGH

439S+

NCA B

439S­

VC4

VEHICLE SPEED SENSOR 207740

9 10

D

2

A

VEHICLE CONTROL UNIT

NCA

440P+

NCA

VUC/PDU CAN LOW

NCA

440G

NCA

12 VUC/PDU CAN HIGH

440A

NCA

5

GRID HTR/FLAME STRT

NCA

10

BAT POWER

FLAME STRT FUEL VLV

NCA

11

9

6 COOLANT LEVEL

440H 431C

4

439A

SWITCHED BATT +

POWER DISTRIBUTION SYSTEM

NCA

UN SW BAT+

30

NCA

A

30G

NCA

B TRANSMISSION TEMPERATURE SENSOR

FRONTWALL HARNESS CONNECTOR

ENGINE CONTROL MODULE

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

19/65

17/11/2016

Printer Friendly View

Fig 9: Cruise Control Circuit, Mercedes Benz W/O Shift and Cruise (2 of 2) FAN SWITCH

ON

SENSOR COMMON SPLICE PACK

OFF

3

4 5 6 7 8

9 10

A

C

B

NCA

NCA

NCA

440

440

4

5

440

NCA

440Z

GND4

6

1

2

8

3 440

NCA

NCA

29AF

7

NCA

81C

NCA

NCA

29AF

NCA

29AB

9 2

GND2

NCA 1

10

INTERIOR LIGHTS SYSTEM

NCA

81C

NCA

440

440

NCA

2

NCA

GND3

GND7

NCA

8

NCA

29AC

29AD

NCA

NCA

440E

440E

NCA

1

SET

NCA

440F

440F

NCA

3

RESUME

NCA

440U

NCA

440Z

NCA

440H

7 9

NCA

10

CRUISE SET/RESUME SWITCH (AUX SWITCH PANEL)

440H

431C

431C

NCA

C14

NCA

LC2 C6

STOP ENGINE IND GRID HEATER IND

LC1 440A

NCA

CHK ENGINE IND

C15 LC2

11 12 13 14 15 16 17 18

NCA

440A

NCA

440G

NCA

440P+

NCA

440T

NCA

440V1

NCA NCA NCA

440P­

INSTRUMENT CLUSTER 440G

NCA

F

440V1

NCA

D

440V2

440V2

NCA

E

440P­

440T

NCA

A

440P+

NCA

C

440P­

NCA

B

IVS

TPS

THROTTLE PEDAL 7 9

24 25 26 27

440L

NCA

440F

NCA

440E

NCA

440

NCA

12D

NCA

440C*

NCA

440

NCA

120D

RESUME INTERIOR LIGHTS SYSTEM

29AE

NCA

10

GND5

NCA

8

SET

1

440U

NCA

3

NCA

2

440 SHUTDOWN O/R

36G

36G

NCA

NCA

NCA

36G

B NCA

36G

A NCA

36

87A

440B

NCA 30

36G

NCA

NCA

GND

85

440

NCA 87

86

NCA

440L

NCA A

440

NCA B

12D

120D

NCA A

NCA B

440D

439N

NCA

440F

NCA

440E

NCA 2

27

4

3

NCA

NCA

NCA 440

28

439N

NCA

440

22 23

440D

NCA

440

21

NCA

NCA

20

NCA

19

SERVICE BRAKE SWITCH

ENGINE FRONTWALL CONNECTOR A/C COMPRESSOR

LOW COOLANT LEVEL

SERVICE BRAKE RELAY

BRAKE SWITCH

SERVICE BRAKE

207741

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

20/65

17/11/2016

Printer Friendly View

ELECTRONIC SUSPENSION Fig 1: Electronic Suspension Circuit IGNITION

ECAS AUTO LOAD TRANSFER OFF INDICATOR LIGHT (AMBER LENS) (CENTER GAUGE PANEL) BLK NCA A

BLK NCA B

GND

434B

81C

NCA B

81C

NCA

434

NCA

NCA A

BLK

ECAS SYSTEM FAIL INDICATOR LIGHT (RED LENS) (CENTER GAUGE PANEL)

IGN SUPPLIED CB 500MA

BLK

CONSTANT PWR CB 15A

434C

HOT AT ALL TIMES

NCA

NCA

434A

1

NCA

434

2

NCA

J1587+

NCA

A

NCA

J1587­

NCA

B

NCA

434A

NCA

81C

81C

81C

NCA

81C

NCA

NCA

STOPLIGHT SWITCH (AIR/OIL JUNCTION BLOCK)

3 4

DIAGNOSTIC CONNECTOR

5 6 7 8 9 10 11 12 NCA

434F 434F

NCA

3

15

NCA

434G

434G

NCA

2

16

NCA

434M

434H

NCA

1

17

NCA

434N

GND

NCA

4

20

NCA

434K

21

NCA

434E

81C

NCA

E

22

NCA

434L 434M

NCA

B

X12

NCA

A

13 14

18 19

SOLENOID VALVE

23 24 25

NCA

434J

NCA

GND

NCA

434H

26 27

C

28 D

29 30 31

434C

NCA

F

32 33

NCA

434B

NCA

434D

ECAS AUTO LOAD TRANSFER ON/OFF SWITCH (SWITCH PANEL)

34 35 ECAS ECU

CLOCK DATA IGN PWR GND

3 NCA

434D

4 NCA

434E

1 NCA

81C

2 NCA

GND

DISTANCE SENSOR

X12

NCA 12

GND NCA

LOAD TRANSFER MOMENTARY­ON SWITCH (SWITCH PANEL)

GND

434J NCA

1

NCA

GND NCA

2

A

434N C NCA

434K NCA

SPEED SIGNAL SENDER

B NCA

434L NCA

HAND CONTROL RECEPTACLE ASSY

ABS ECU

205997

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

21/65

17/11/2016

Printer Friendly View

ENGINE ACCESSORIES Fig 1: Engine Brake Circuit

INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION)

81C

NCA

CATERPILLAR

ENGINE CONTROL MODULE

DETROIT DIESEL

CATERPILLAR

DETROIT DIESEL

NCA

9

7

NCA

NCA

5

NCA

NCA

6

NCA

NCA

4

NCA

NCA

K2

13

NCA

C717

D583

NCA

3

NCA

NCA

K3

19

NCA

C716

D979

NCA

1

NCA

NCA

C993

D953

NCA

2

NCA

29A

NCA

8

NCA

GND

NCA

10

NCA

SENSOR COMMON

INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION)

205998

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

ENGINE BRAKE SWITCH

22/65

17/11/2016

Printer Friendly View

Fig 2: Low Coolant Level Circuit, W/ Cummins or Caterpillar Engines

NCA

C997

NCA

C983

NCA

C993

A

NCA

C984

CATERPILLAR ENGINES L+5V

NCA

A

NCA

PROB

B

NCA

LNOR

LNOR

NCA

C

NCA

C971

C

NCA

LGND

LGND

NCA

A

NCA

C745

D

NCA

LLOW

LLOW

NCA

B

E

NCA

L+5V 234R

NCA

E

234F

NCA

F

NCA

NA22

NCA

NA18

NCA

NA13

NCA

NA09

NCA

NA08

NCA

NC07

LCL MODULE FRONTWALL HARNESS A

NCA

PROB

B

NCA

LGND

LCL PROBE CUMMINS ENGINES

CATERPILLAR ENGINE HARNESS

CUMMINS ENGINE HARNESS

205407

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

23/65

17/11/2016

Printer Friendly View

Fig 3: Low Coolant Level Circuit, W/ Detroit Diesel Engines

LCL PROBE

A

NCA

D115

B

NCA

D953

FRONTWALL HARNESS

D953

NCA

A

NCA

D953

D115

NCA

D

NCA

D115

234R

NCA

E

NCA

D542

234F

NCA

F

NCA

D555

DETROIT DIESEL ENGINE HARNESS

205413

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

24/65

17/11/2016

Printer Friendly View

ENGINE PERFORMANCE For engine performance wiring diagrams, see ENGINE PERFORMANCE WIRING DIAGRAMS article.

EXTERIOR LIGHTS Fig 1: Back­up Lamps Circuit

HOT IN ON BACK­UP 10A

POWER DISTRIBUTION MODULE

NF5 NCA

120

BACK­UP LAMP SWITCH

NCA 120B

NCA 120B

NCA 120B BACK­UP LAMP

NCA

BACK­UP LAMP

NCA

207588

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

25/65

17/11/2016

Printer Friendly View

Fig 2: Exterior Lamps Circuit HOT AT ALL TIMES FLASHER UNIT

HOT AT ALL TIMES

TURN SIGNAL CIRCUIT BREAKER 20A

STOPLIGHT CIRCUIT BREAKER 25A

TRAILER MRKR TAIL 30A

85

30

86

87

HOT AT ALL TIMES

HOT IN ON & ACC

ACC POWER BREAKER 15A

TRAILER TAIL MINI­ RELAY

85

86

HOT AT ALL TIMES

TRAILER MRKR BREAKER 30A

30

87

HOT AT ALL TIMES

TRACTOR TAIL BREAKER 15A

TRAILER MRKR MINI­ RELAY

AF2

AA5

NF6

AB7

NA2

AD2

NCA 36

NCA 23A

NCA 29C

NCA 16A

NCA 20A

AE3

TRACTOR TAIL/MRKR MICRO RELAY

3

1

NCA 38A

4

5

2

EH0

NC5

NC7

NCA 46 NCA 46

POWER DISTRIBUTION MODULE

LEFT HEADLIGHT BREAKER 15A

NC6

NC8

NCA 46E

AD3

AE1 NCA 20

NCA 46F

NCA 23F

NCA 23D

NCA 23

BRAKE LIGHT SWITCH

20A

NCA 36B

NCA HEADLIGHT SWITCH

PANEL DIMMER

NCA

38A

NCA

36A

23D

NCA

INTERRUPT SWITCH NCA K1

23A 16A

NCA

A3

36B

NCA

K2

38R

NCA

K3

38L

NCA

B4

7 WAY CONNECTOR

NCA

39L

NCA

38L

NCA

NCA

38R

NCA

RH­B1

38L

NCA

LH­C8

INSTRUMENTATION CONTROL UNIT 38L

NCA

K

38R

NCA

F

379R

NCA

E

379L

NCA

A

39R

38R

DRL MODULE

TURN SIGNAL SWITCH

46E

NCA

46F

NCA

LEFT DOOR MARKER LIGHT

NCA

379R RIGHT DOOR MARKER LIGHT

NCA NCA

23

RIGHT DRL PARK LIGHT

46

NCA

NCA

NCA

NCA

46

NCA

NCA

46

NCA

NCA

46

NCA

NCA

46

NCA

NCA

23

NCA NCA

46

379L

LEFT DRL PARK LIGHT

RIGHT FRONT TURN PARK LIGHT

NCA NCA

LEFT FRONT TURN PARK LIGHT

NCA

NCA NCA

NCA

LEFT TAIL LIGHT NCA

NCA 46

NCA 46

NCA 23

LEFT REAR STOP TURN TAIL LIGHT

NCA 23

NCA 39L

RIGHT REAR STOP TURN TAIL LIGHT

NCA 23

NCA 23

NCA 39R

NCA 38L

NCA 23

NCA 23

NCA 38R

CAB MARKER LIGHTS

RIGHT TAIL LIGHT NCA

NCA

SIDE MARKER LIGHT NCA

SIDE MARKER LIGHT NCA

NCA

205917

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

26/65

17/11/2016

Printer Friendly View

HEADLIGHTS Fig 1: Headlights Circuit

INFO NOT AVAILABLE

23D

NCA

382

GRY

30 86 87A 87

BLK

85

GND

TTRM & T RELAY

A

BLK

GND

B

BLU

383

C

PPL

222

D

WHT

386

E

YEL

387

F

BRN

379

G

GRY

382

H

RED

381

RED

381

NCA

20

NCA

29D

NCA

20

NCA

359

NCA

20L

E

NCA

20A

F

NCA

20R

NCA

20A

INFO NOT AVAILABLE

29D

NCA

383

BLU

30 86 87A 87

29D

NCA

85

DRL MODULE

PNL LAMPS RELAY

379

BRN

A B C

NCA PARK BRAKE SWITCH

INFO NOT AVAILABLE

D

RIGHT SWITCH PANEL

E4

NCA

NCA

E3

22D

INFO NOT AVAILABLE

29D

NCA

20R

NCA

INFO NOT AVAILABLE

71

NCA

22D

NCA

387

YEL

21D

NCA

21D

222

PPL

222

NCA

30 86 87A 87 85 RIGHT HEADLAMP RELAY

INFO NOT AVAILABLE

E2

NCA

E1

NCA

INFO NOT AVAILABLE

22 21

BULKHEAD CONNECTOR

23D

NCA

20L

NCA

71

NCA

71

NCA

22

NCA

386

WHT

21

NCA

21B

NCA

222

NCA

222

NCA

30 86 87A 87 85 LEFT HEADLAMP RELAY

10B

C16

NCA

21B

222

NCA

L

C1 LIGHTBAR/ IE CLUSTER

VIGIL/KYSOR

TURN SIGNAL SWITCH

1E CLUSTER

281872

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

27/65

17/11/2016

Printer Friendly View

Fig 2: Headlights Circuit, W/ DRL HOT AT ALL TIMES

HOT IN RUN OR ACC

HOT AT ALL TIMES POWER DISTRIBUTION MODULE

ACC POWER CIRCUIT BREAKER 15A

1

3

379A

NCA

NCA

AF1

LE0

4 21L

NCA

ND7

5 21H

NCA

CF0 379D

NCA

AB6 21A

NCA

NB8

2

RIGHT HEADLIGHT MICRO RELAY

4 NC3 20L

NCA

NE1 20H

NCA

AB5 20H

NCA

20D

AD7 NCA

CA0 379C

NCA

AD2 NCA

20A

AE1 NCA

20

AD4 21

5

2

LEFT HEADLIGHT MICRO RELAY

NCA

DRL CIRCUIT BREAKER 10A

3

CLUSTER CIRCUIT BREAKER 10A

379

LEFT HEADLIGHT CIRCUIT BREAKER 15A

1

RIGHT HEADLIGHT CIRCUIT BREAKER 15A

20A

NCA

DIMMER SWITCH

NCA

RH­B2

21A

NCA

HEADLIGHT SWITCH

HIGH BEAM INDICATOR LIGHT

379

C

NCA

379B

B

NCA

GND

A

NCA

379L

EXTERIOR LIGHTS SYSTEM

NCA

NCA

379L

NCA

DRL MODULE

RIGHT SIDE DRL

PARKING BRAKE SWITCH

LEFT HEADLIGHT

RIGHT HEADLIGHT

NCA

NCA

NCA

NCA

NCA

LEFT SIDE DRL

21L

NCA

NCA

D

EXTERIOR LIGHTS SYSTEM

21H

379R

NCA

NCA

NCA

38R

E

20L

NCA

NCA

379A

F

20H

NCA

NCA

379D

G

NCA

379C

NCA

379B

NCA

H

NCA

J

EXTERIOR LIGHTS SYSTEM

379R

38L

NCA

NCA

NCA

K

205906

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

28/65

17/11/2016

Printer Friendly View

Fig 3: Headlights Circuit, W/O DRL HOT AT ALL TIMES

POWER DISTRIBUTION MODULE

HOT IN RUN OR ACC

1

3

LEFT HEADLIGHT CIRCUIT BREAKER 15A

1

RIGHT HEADLIGHT CIRCUIT BREAKER 15A

3

ACC POWER CIRCUIT BREAKER 15A

4 ND7

5 NCA

21H

NCA

21L

NCA

21H

NCA

21L

AB6 21A

NCA

AD2 20A

20L 20L

NCA

NCA NCA

NB8

4 NC3

5 20H 20H

NE1 NCA NCA

AB5 20H

RH­B2

20A

RIGHT HEADLIGHT ASSEMBLY

GND1

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

NCA

NCA

LEFT HEADLIGHT ASSEMBLY

NCA

NCA

21A

HIGH BEAM INDICATOR LIGHT

DIMMER SWITCH

205907

NCA

AD7 NCA

20D

AE1 NCA

20

AD4 21

NCA

NCA

HEADLIGHT SWITCH

2

RIGHT HEADLIGHT MICRO RELAY 2

LEFT HEADLIGHT MICRO RELAY

GND4

29/65

17/11/2016

Printer Friendly View

HORN Fig 1: Horn Circuit

HOT AT ALL TIMES HORN CIRCUIT BREAKER 15A

POWER DISTRIBUTION MODULE

D8 NCA 24

NCA 26 B ELECTRONIC HORN

A NCA 25

NCA 24A A HORN BUTTON ASSEMBLY

205992

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

30/65

17/11/2016

Printer Friendly View

INSTRUMENT CLUSTER Fig 1: Clock Circuit

HOT AT ALL TIMES CIRCUIT BREAKER 16 10A

POWER DISTRIBUTION MODULE

A

NCA

172

B

NCA

GND

C

NCA

172

NCA

AA4

INTERIOR LIGHTS SYSTEM

D

NCA GND

OVERHEAD CLOCK

205878

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

31/65

17/11/2016

Printer Friendly View

Fig 2: Data Logging Circuit

NCA

HOT AT ALL TIMES

442

NCA

HOT IN IGNITION

442A

NCA

NCA

B­PILLAR JUNCTION BLOCK

A1 A2 A3 A4

NCA

GND

A5

NCA

J1587

A6

NCA

A7

NCA

442B

A8

NCA

442A

A9

NCA

15A

A11

NCA

GNDE

A12

NCA

442

442B

STARTER

A10

NCA

A2

INSTRUMENTATION CONTROL UNIT

NCA 205938

GROUND (LEFT CORNER OF CAB FLOOR)

GNDS

DATA LOGGING UNIT

B­PILLAR GROUND

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

32/65

17/11/2016

Printer Friendly View

Fig 3: Instrument Cluster Circuit (1 of 2) HOT IN IGNITION ON

INSTRUMENT CLUSTER 10A

PANEL LIGHTS DATA OPTIONAL IND 5 OPTIONAL IND 4 TRAILER ABS IND OPTIONAL IND 2 OPTIONAL IND 1 WASHER LEVEL

INSTRUMENT CLUSTER 10A

AE2

ISO BUS

RIGHT HEADLIGHT 15A

AD1

AD2

AE1 NCA

AA3

POWER DISTRIBUTION MODULE

DOME LIGHT 15A

AC5

NB3

NCA

320A

NCA

29A

NCA

1587­C

29A

NCA

F

437D

NCA

C

B5

NCA

437D

437C

NCA

B6

NCA

437C

437F

NCA

E

B7

NCA

437F

437B

NCA

A

B8

NCA

437B

437E

NCA

D

B9

NCA

437E

437G

NCA

H

B10

NCA

1587+C

GND

NCA

G

NCA

437Z

NCA

NCA

NCA

108

376F

108

NCA

20

442B

20A

29A

NCA

359

NCA

A2

NCA

A1

437A

442B 437

NCA

NCA

DATA LOGGING 6 UNIT CONNECTOR

HOT AT ALL TIMES

NCA

HOT AT ALL TIMES

INTERIOR LIGHTS SYSTEM

A3 A4 A5 A6 A7

ANTI­LOCK BRAKES SYSTEM

437

NCA

320A

NCA

1

A8 A9

2

A10 A11 A12

KEYPAD PANEL LIGHTS J1587 DATABUS (­) WIRE 3 WIRE 2 WIRE 5 WIRE 1 WIRE 4 J1587 DATABUS (+) BUZZER ENABLE

B1 B2 B3 B4

B11 B12

COMPUTER DATA LINES SYSTEM

COMPUTER DATA LINES SYSTEM

B

KEYPAD

LEFT 1 NCA C1 C2

IGNITION KEY SW LT DOOR OPEN PARKING BRAKE PYROMETER (+) AMBIENT AIR (+) LEFT TURN COOLANT LEVEL RECIRC PRESSURE

C3

NCA

108K

C4

NCA

437W

C5

NCA

125

C6

NCA

218A+

C7

NCA

299

C8

NCA

38L

C9

NCA

173

C10

NCA

98K

NCA

N16

NCA

C799

NCA

D419

NCA

N25

NCA

C659

NCA

D509

NCA

N01

NCA

GND2

D6

NCA

218A­

D7

NCA

299A

D11

NCA

437G

D12

NCA

GND

D13

NCA

GND1

D14

NCA

437

D15

NCA

437A

D16

NCA

359

125

INTERIOR LIGHTS SYSTEM

NCA PARK BRAKE SWITCH

ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM

437Z

NCA

173

NCA

437A

NCA

3 4

C11 C12 C13

C14 ENGINE PROTECTION (CUMMINS ONLY) C15 CHECK ENGINE C16 ENGINE SHUTDOWN

5

ENGINE CONTROLS SYSTEM

D1 D2 D3 D4 D5 PYROMETER (­) AMBIENT AIR (­)

ENGINE CONTROLS SYSTEM

299

NCA

299A

NCA

GND1

NCA

D8

6 7

D9 D10 KEYPAD PANEL GND KEYPAD LIGHT GND GROUND JUMPER BATTERY IGNITION HEADLIGHTS

8

LEFT 2

RECIRCULATION AIR SWITCH

HEADLIGHT SWITCH

LEFT DOOR SWITCH

108

NCA

108D

NCA

108

NCA

108D

NCA

20

NCA

20A

NCA

NCA

98K

NCA

INSTRUMENTATION CONTROL UNIT

RIGHT DOOR SWITCH

205873

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

33/65

17/11/2016

Printer Friendly View

Fig 4: Instrument Cluster Circuit (2 of 2)

A1 A2 ANTI­LOCK BRAKES SYSTEM

COMPUTER DATA LINES SYSTEM 1 2

NCA NCA

INTERIOR LIGHTS SYSTEM

437

STARTING/CHARGING SYSTEM

320A

376L

NCA

A3

1587+C

NCA

A4

1587­C

NCA

A5

29A

NCA

A6

437Z

NCA

A7

15D

NCA

A8 A9

OPTIONAL IND 7 OPTIONAL IND 6 TRACTOR ABS J1587+C J1587­C PANEL LIGHTS BUZZER ENABLE STARTER LOCKOUT

A10 437

NCA

38R

NCA

A11

20H

NCA

B2

18

NCA

B3

376S

NCA

B4

47

NCA

B5

47G

NCA

B6

A12 EXTERIOR LIGHTS SYSTEM NCA

HEADLIGHTS SYSTEM

18

ANTI­LOCK BRAKES SYSTEM NCA

18A

B1

B7 PRIMARY LOW AIR PRESSURE SWITCH

BATTERY RIGHT TURN HEADLIGHTS LOW AIR PRESSURE WHEEL SPIN FUEL LEVEL (+) FUEL LEVEL (­)

B8 B9 B10 NCA

437

18A

NCA

B11 B12

BATTERY

RIGHT 1 NCA SECONDARY LOW AIR PRESSURE SWITCH

C1 C2 C3 43G

NCA

C4

42G

NCA

C5 C6

3 4

NCA

437Z

NCA

173

C7 C8 C9 C10 C11 C12 C13 C14

5

NCA

437A SUPPLEMENTAL RESTRAINTS SYSTEM

437A

NCA

C15

GND1

NCA

C16

454L

NCA

D1 D2 D3

43

NCA

D4

42

NCA

D5

30G

NCA

D6

30

NCA

D7 D8 D9

6 7

NCA

299

D10

NCA

299A

D11 D12 D13 D14 D15

OPTIONAL IND 8 OPTIONAL GAUGE REARMOST­AXLE OIL TEMP SENS (­) FORWARD­AXLE OIL TEMP SENS (­) GAUGE RETURN (AU07) GAUGE RETURN (AU08) GAUGE RETURN (AU09) GAUGE GROUND (AU06) GAUGE POWER (AU06) GAUGE POWER (AU07) GAUGE POWER (AU08) GAUGE POWER (AU09) IGNITION CHASSIS GROUND AIR BAG OPTIONAL BUZZER C POWER OPTIONAL GAUGE TYPE 2D (+) REARMOST­AXLE OIL TEMP SENS (+) FORWARD­REAR­AXLE OIL TEMP SENS (+) TRANS FLUID TEMP GAUGE (­) TRANS FLUID TEMP GAUGE (+) OPTIONAL GAUGE TYPE 2E (­) OPTIONAL GAUGE TYPE 2E (+) OPTIONAL GAUGE TYPE 2F (­) OPTIONAL GAUGE TYPE 2F (+) OPTIONAL GAUGE TYPE 2G (­) OPTIONAL GAUGE TYPE 2G (+) OPTIONAL BUZZER D

D16 8

NCA

RIGHT 2

GND1

INSTRUMENTATION CONTROL UNIT

42

NCA

43

NCA

42G

NCA

43G

NCA

47G

NCA

47

299

NCA

299A

NCA

NCA

H8

H4

H6

H2

G9

B9

D7

D9

30

NCA

30G

BULKHEAD CONNECTOR

J2

320A

NCA

NCA F1

J3

F4

173

NCA

NCA

CHASSIS CONNECTOR

205874

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

34/65

17/11/2016

Printer Friendly View

Fig 5: Instrument Cluster Circuit, Level I,ICU3

HOT AT ALL TIMES

NCA

PANEL LIGHTS LOW AIR PRESSURE IND TRANSMISSION TEMP IND AIR FILTER RESTRICTION IND OPTIONAL IND 2 OPTIONAL IND 3 OPTIONAL IND 4 (OPTIONAL)

NO CHARGE IND

A1

NCA

29A

A3

NCA

18

A4

NCA

30G

A5

NCA

183A

A2

A6

437

INTERIOR LIGHTS SYSTEM 18

ENGINE AIR INDUCTION SYSTEM

NCA

NCA

A7

PRIMARY LOW AIR PRESSURE INDICATOR SWITCH

A8 A9

NCA

137

NCA

20H

NCA

1587­C

A10

STARTING/CHARGING SYSTEM

A11 HIGH BEAM IND OPTIONAL IND 5 J1587 DATALINK (­)

A12 B1

NCA

HEADLIGHTS SYSTEM

B2 B3 B4

NCA

COMPUTER DATA LINES SYSTEM

SECONDARY LOW AIR PRESSURE INDICATOR SWITCH

B5 B6 B7 OPTIONAL IND 6 J1708/J1587 (+) TRACTOR ABS IND OPT BUZZER INPUT

OPTIONAL IND 8

B8

30G

NCA

B9 B10

NCA

1587+C

B11

NCA

376L

B12

NCA

437Z

NCA

125

C1

COMPUTER DATA LINES SYSTEM

NCA

ANTI­LOCK BRAKES SYSTEM ANTI­THEFT SYSTEM

TRANSMISSION TEMPERATURE INDICATOR SWITCH

C1 C2 C3 C4

PARK BRAKE IND

C5

125

NCA

C6 C7

LEFT TURN SIGNAL RECIRC AIR IND OPTIONAL IND 7 TRANS OIL TEMP SENSOR (­) TRANS OIL TEMP SENSOR (+) OPTIONAL IND 1 (STOP ENGINE LIGHT; CUMMINS)

C8

NCA

38L

C10

NCA

98K

C11

NCA

376S

C12

NCA

30G

C13

NCA

30

NCA

C799

NCA

D419

NCA

N25

NCA

C659

NCA

D509

C9

C15

C16 ENGINE PROTECTION IND (SHUTDOWN WARNING; OPTIONAL)

FUEL LEVEL (­) PANEL LIGHT GND (­) OPTIONAL IND 9 J1939 (+)

PARK BRAKE SWITCH

AIR CONDITIONING SYSTEM ANTI­LOCK BRAKES SYSTEM

C14

CHECK ENGINE IND

FUEL LEVEL (+)

NCA

EXTERIOR LIGHTS SYSTEM

NCA

N01

D1

NCA

47

D2

NCA

47G

D3

NCA

GND1

NCA

1939+C

D8

NCA

38R

D9

NCA

1939­C

D10

NCA

GNDC

D11

NCA

1939

D12

NCA

376F

D13

NCA

GND1

D14

NCA

437

D15

NCA

437A

D16

NCA

359

ENGINE CONTROLS SYSTEM

D4 D5 D6

COMPUTER DATA LINES SYSTEM

D7

C2

POWER DISTRIBUTION SYSTEM

30G

IGN PWR (+)

ANTI­LOCK BRAKES SYSTEM

NCA

BAT PWR (+) HEADLIGHT PWR (+)

ANTI­LOCK BRAKES SYSTEM

30

PC BOARD GND (­)

NCA

TRAILER ABS (OPTIONAL)

COMPUTER DATA LINES SYSTEM

47

J1939 (SHIELD)

EXTERIOR LIGHTS SYSTEM

NCA

EMI GND (­)

47G

J1939 (­)

NCA

RIGHT TURN SIGNAL

HEADLIGHTS SYSTEM

INSTRUMENT CLUSTER

FUEL LEVEL SENDER

TRANSMISSION OIL TEMPERATURE SENSOR

205875

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

35/65

17/11/2016

Printer Friendly View

Fig 6: Instrument Cluster Circuit, Level II,ICU2L

HOT AT ALL TIMES NCA

NCA

NCA

437

SECONDARY LOW AIR PRESSURE SWITCH NCA PANEL LIGHTS LOW AIR PRESSURE IND OPTIONAL IND 3 OPTIONAL IND 2 OPTIONAL IND 1 LOW OIL PRESSURE IND COOLANT TEMPERATURE IND OIL TEMPERATURE SENSOR (+) OIL TEMPERATURE SENSOR (­) HIGH BEAM IND OIL TEMPERATURE SENSOR (+) J1587 DATABUS (­) OIL TEMPERATURE SENSOR (­)

A1

NCA

29A

NCA

18

A2 A3

INTERIOR LIGHTS SYSTEM 18

NCA

A4

PRIMARY LOW AIR PRESSURE SWITCH

A5 A6 A7

NCA

GND

A8

NCA

GND

A10

NCA

42

A11

NCA

42G

A12

NCA

20H

B2

NCA

43

B3

NCA

1587­C

B4

NCA

43G

B10

NCA

1587+C

B11

NCA

376L

A9

B1

ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM

HEADLIGHTS SYSTEM

42

NCA

+

42G

NCA

­ FORWARD REAR AXLE OIL TEMPERATURE SENSOR

COMPUTER DATA LINES SYSTEM

B5 B6 B7 B8 B9

J1587 DATABUS (+) TRACTOR ABS IND

B12

43

NCA

+

43G

NCA

­

COMPUTER DATA LINES SYSTEM ANTI­LOCK BRAKES SYSTEM

C1

RECIRCULATION PRESSURE IND

C1

NCA

98K

C5

NCA

125

C6

NCA

218A+

NCA

38L

C11

NCA

376S

C12

NCA

30G

C13

NCA

30

C14

NCA

N16

C15

NCA

C799

NCA

D419

NCA

N25

NCA

C659

NCA

D509

C2

REARMOST AXLE OIL TEMPERATURE SENSOR

AIR CONDITIONING SYSTEM

C3 C4

PYROMETER (+) LEFT TURN IND

C7 C8 C9

125

NCA

ENGINE CONTROLS SYSTEM NCA

EXTERIOR LIGHTS SYSTEM

PARK BRAKE SWITCH

C10

CHECK ENGINE IND C16 ENGINE PROTECTION IND (SHUTDOWN WARNING; OPTIONAL)

TRAILER ABS IND GROUND BATTERY IGNITION HEADLAMPS

D5 D6

NCA

218A­

D8

NCA

38R

D9

NCA

437Z

D10

NCA

GND

D12

NCA

376F

D13

NCA

GND

D14

NCA

437

D15

NCA

437A

D16

NCA

359

D7 EXTERIOR LIGHTS SYSTEM

C2

NCA

30

ANTI­THEFT SYSTEM

D11 ANTI­LOCK BRAKES SYSTEM

­

EMI GND

GND

D4

NCA

RIGHT TURN IND OPT BUZZER INPUT

NCA

+

PYROMETER GROUND

47G

D3

47

OPTIONAL IND 4

47

NCA

NCA

PANEL LIGHT GROUND

N01

NCA

D2

47G

FUEL LEVEL (­)

NCA D1

+

FUEL LEVEL (+)

ENGINE CONTROLS SYSTEM

NCA

OPTIONAL IND 1 (STOP ENGINE LIGHT; CUMMINS)

ANTI­LOCK BRAKES SYSTEM

­

WHEEL SPIN IND TRANS FLUID TEMP GAUGE (­) TRANS FLUID TEMP GAUGE (+)

30G

PARKING BRAKE IND

POWER DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM

INSTRUMENT CLUSTER

FUEL SENDER

TRANSMISSION FLUID TEMPERATURE SENSOR

205876

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

36/65

17/11/2016

Printer Friendly View

Fig 7: Instrument Cluster Circuit, Level III,ICU2M

HOT AT ALL TIMES

NCA PANEL LIGHTS EVENT KEY LOW AIR PRESSURE IND (OPTIONAL)

AUTO TRANS WARN

(OPTIONAL)

ALTER NO CHRG WARN

(OPTIONAL) (OPTIONAL)

TRAIL ABS IND ECAS FAIL WARN

(OPTIONAL)

ECAS TRANSFER IND WASHER LEVEL WARNING

OIL TEMPERATURE SENSOR (+) OIL TEMPERATURE SENSOR (­) HIGH BEAM IND OPTIONAL IND 6 OIL TEMPERATURE SENSOR (+) J1587 DATABUS (­) OIL TEMPERATURE SENSOR (­) WIRE 3 (KEYPAD) WIRE 2 (KEYPAD) WIRE 5 (KEYPAD) WIRE 1 (KEYPAD) WIRE 4 (KEYPAD) J1587 DATABUS (+) TRACTOR ABS IND

A1

NCA

29A

A3

NCA

18

A4

NCA

31

A5

NCA

137

A6

NCA

376F

A7

NCA

434B

A8

NCA

434P

A9

NCA

320A

A10

NCA

42

A11

NCA

42G

A12

NCA

20H

B2

NCA

43

B3

NCA

1587­C

B4

NCA

43G

B10

NCA

1587+C

B11

NCA

376L

A2

B1

437

INTERIOR LIGHTS SYSTEM 18

NCA

TRANSMISSIONS SYSTEM LOW AIR PRESSURE SWITCH

STARTING/CHARGING SYSTEM ANTI­LOCK BRAKES SYSTEM TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM WIPER/WASHER

HEADLIGHTS SYSTEM

42

NCA

+

42G

NCA

­ FORWARD REAR AXLE OIL TEMPERATURE SENSOR

COMPUTER DATA LINES SYSTEM

B5 B6 B7 B8 B9

43

B12

NCA +

COMPUTER DATA LINES SYSTEM ANTI­LOCK BRAKES SYSTEM 43G

NCA

C1

(OPTIONAL)

LOW VOLTAGE WARN

C1

NCA

19B

C5

NCA

125

C6

NCA

218A+

NCA

38L

C11

NCA

376S

C12

NCA

30G

C13

NCA

30

C14

NCA

N16

C15

NCA

C799

NCA

D419

NCA

N25

NCA

C659

NCA

D509

C2

­ REARMOST AXLE OIL TEMPERATURE SENSOR

STARTING/CHARGING SYSTEM

C3

CHECK ENGINE IND C16 ENGINE PROTECTION IND (SHUTDOWN WARNING)

RIGHT TURN IND OPT BUZZER INPUT EMI GND KEYPAD PANEL GND TRAILER ABS IND GROUND BATTERY IGNITION HEADLAMPS INSTRUMENT CLUSTER

NCA

GND

D6

NCA

218A­

D7

NCA

299A

D8

NCA

38R

D9

NCA

444K

D10

NCA

GND

D12

NCA

376F

D13

NCA

GND

D14

NCA

437

D15

NCA

437A

D16

NCA

359

D4 D5 ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM EXTERIOR LIGHTS SYSTEM WARNING SYSTEM

D11

C2

ANTI­LOCK BRAKES SYSTEM 30G

AMBIENT AIR (­)

47G

D3

NCA

OPTIONAL DEVICE PYROMETER GND

47

NCA

30

OPTIONAL IND 8

N01

NCA

D2

ENGINE CONTROLS SYSTEM

POWER DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM

FUEL SENDER

­

PANEL LIGHT GND

NCA D1

ANTI­LOCK BRAKES SYSTEM

NCA

FUEL LEVEL (­)

PARK BRAKE SWITCH

+

FUEL LEVEL (+)

NCA

EXTERIOR LIGHTS SYSTEM

47

STOP ENG IND (CUMMINS ONLY)

NCA

C10

NCA

WHEEL SPIN IND TRANS FLUID TEMP GAUGE (­) TRANS FLUID TEMP GAUGE (+)

C9

47G

HVAC INPUT

C8

+

LEFT TURN IND OPTIONAL DEVICE

125 ENGINE CONTROLS SYSTEM

NCA

AMBIENT AIR SNS (+)

C7

­

PYROMETER (+)

C4

GND

PARKING BRAKE IND

NCA

DOOR OPEN IND

TRANSMISSION FLUID TEMPERATURE SENSOR

205877

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

37/65

17/11/2016

Printer Friendly View

INTERIOR LIGHTS Fig 1: Dome Light Circuit HOT AT ALL TIMES POWER DISTRIBUTION SYSTEM

SLEEPER PD10S CIRCUIT BREAKER 60A

NCA

41S

B

NCA

GND

NCA

D

NCA

41A+

41A­

2

NCA

41A+ NCA

NCA

CURTAIN BOW LIGHT REAR  SWITCH 2

NCA

41A+

3

NCA

41A­

3

NCA

41A­

2

NCA

41A+

2

NCA

41A­

3

NCA

41A+

NCA

NCA

41R

41S

NCA 14S

NCA

NCA 14S

14S

NCA 14S

2A

NCA

A

NCA

NCA

B

NCA

41B+

NCA

C

NCA

41B­

NCA

D

NCA

NCA

GND

PWR GND CNTRL CNTRL

41A­

CURTAIN BOW FLUORESCENT 3

2C

GND

41A­

NCA

1C

REAR WALL DOME LIGHT

41A+

C

1A

GND

NCA

NCA

5A

41S NCA

NCA

CTRL

A

NCA

MA0

CLOSED 15A

41B+

NCA

2

41B­

NCA

3 UPPER BACK WALL DOME LIGHT SWITCH

41A+

CTRL

NCA

41A­

GND

NCA

PWR

CLOSED 15A

41B­

NCA

3

41B+

NCA

2 LOWER BACK WALL DOME LIGHT SWITCH

LOWER MAIN DOME LIGHT SWITCH

GND

NCA

NCA

113

NCA

113

NCA

113

NCA

113

B

NCA

113

A

NCA

113A

D

GND

NCA

B

41R

NCA

41RB

NCA

2

3 UPPER READING LIGHT SWITCH

DOME LIGHT SWITCH

C

A

41R

NCA

B

NCA

REAR WALL FLUORESCENT

UPPER MAIN DOME LIGHT SWITCH

A

41S

GND

NCA

41RB

NCA

B

NCA

GND

NCA

A

NCA UPPER READING LIGHT

BAGGAGE AREA LIGHT SWITCH

41R

NCA

41RA

NCA

3

2 LOWER READING LIGHT SWITCH

BUNK LIGHT SWITCH

205970

LEFT BAGGAGE DOOR SWITCH

BUNK LIGHT SPLICE PACK

RIGHT BAGGAGE LIGHT

NCA

113A NCA

113

GND

113

A NCA

B

NCA

D

B NCA

A

NCA

C

B NCA

113A B

NCA

A

A NCA

113A NCA

113A NCA

113A NCA

113A

113A

NCA

NCA

113A

A RIGHT BAGGAGE DOOR SWITCH

41RA

NCA

113

113

NCA

NCA

B

GND NCA

GND

NCA

A

NCA

NCA

B

NCA CONTROL PANEL READING LIGHT

LEFT BAGGAGE LIGHT

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

38/65

17/11/2016

Printer Friendly View

Fig 2: Overhead Console Lamps Circuit HOT AT ALL TIMES

HOT AT ALL TIMES

CLUSTER CIRCUIT BREAKER 16 10A

NCA

172

A NCA

172

NCA

GND

B NCA

GND

NCA

29A

C NCA

29A

D

NCA

POWER DISTRIBUTION MODULE

CIRCUIT BREAKER 43 15A

AA4

NB4

AC6

AC5

NB3

NCA 172

NCA 41

NCA 105

NCA 108

NCA 108

108

NCA

A

108D

NCA

B

(NOT USED)

RIGHT CAB DOOR SWITCH

OVERHEAD CLOCK

PWM DIMMER SWITCH CONNECTOR

NCA

29A

108

NCA

A

108D

NCA

B LEFT CAB DOOR SWITCH

108D

A NCA

108D

DIFFUSE DOME

NCA

NCA

41

B NCA

41

NCA

GND

C NCA

GND

NCA

437W

C4

DOOR SWITCH SENSE CLUSTER

RED

WHITE SPOT

NCA

108D

NCA

GND

NCA

GND3 NCA GND

RIGHT MAP/DOME LIGHT

GND3

NCA

B

GND

NCA

108A

NCA

A

PWR

NCA

D TO PDM MAIN F7, GND BUS

RIGHT FLOOR WELL LIGHT

GROUND SPLICE PACK

A

B

GND1

NCA

A

PWR

NCA

108A

NCA

B

GND

NCA LEFT FLOOR WELL LIGHT

NCA

GND

C NCA

GND

NCA

41

B NCA

41

DIFFUSE DOME

WHITE SPOT

RED

NCA GND1

NCA

108D

A NCA

108D

(NOT USED)

9

(NOT USED)

7

108A

NCA

3

108A

NCA

108

NCA

2

GND2

NCA

8

29A

NCA

10

LEFT MAP/DOME LIGHT

GROUND STUD

GND2

NCA

EXTERIOR LIGHTS SYSTEM

FOOTWELL LIGHT SWITCH

205971

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

39/65

17/11/2016

Printer Friendly View

NAVIGATION Fig 1: Navigation Circuit

J1

NCA

P1

NCA

W31

P1

NCA

W31

P7

NCA

W30

J4

NCA

W24

J2

NCA

W32

J3

NCA

AUXILIARY POWER DISTRIBUTION MODULE

CELLULAR ANTENNA

TRANSCEIVER NCA W30

P3 P4 W24

P1

NCA

MICROPHONE

CIRCUIT BOARD

GPS ANTENNA

NCA

CH2

J1

NCA

J2

NCA

NCA W22 W23

NCA W32

NCA W25

P1

J1

NCA

NCA

NCA

CH1 J1

NORITAKE DISPLAY DISPLAY UNIT

GPS RECEIVER CONTROL UNIT 206239

MOTOROLA HANDSET

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

SPEAKER

40/65

17/11/2016

Printer Friendly View

POWER DISTRIBUTION

1 W/O ISO RELAY

16

NCA

Fig 1: Power Distribution Circuit (1 of 4) DEPOPULATION STUD

16

NCA

NCA

(OR 52E)

16

NCA

6

NCA

15B

16C

NCA

16

NCA

30

NCA

14

NCA

14

NCA

14

NCA

14

NCA

6

87

NCA BATTERY 4 DEEP CYCLE CAB BATTERY

W/O ISO RELAY

BATTERY 3

POWER DISTRIBUTION MODULE

SLEEPER (E­BOX) MAXI FUSE 60A

MA

BA

NB4

JE

AB1

UTILITY LT CB 15A

NB3

AC8

AC7

DOME CB 15A

AC6

EF

EE

OPT SW 2 CB 15A

AC5

OPT SW 1 CB 15A

TO ACC RELAY (DIAGRAM 1 OF 4)

A

B

NCA

AE1

HVAC MINI RELAY

CIGAR CB 15A

14C

14B

NCA

NCA

LD

HVAC HIGH SPEED MINI RELAY

RIGHT HEADLIGHT CB (CYCLING) 15A

AF3

LEFT HEADLIGHT CB (CYCLING) 15A

3

TO STOPLIGHT CB, 25A (DIAGRAM 2 OF 4)

14

NCA

DD

HVAC MAXI CB 30A 5

52E

14A

JG

NCA NCA

B

57

TO IGN RELAY (DIAGRAM 1 OF 4)

D

(OR 16C)

ALTERNATOR

AD4

BATTERY 2

14

BATT+

W/ ISO RELAY

16C W/ ISO RELAY

STARTER

MAGNETIC SWITCH

BATTERY 1

7V ISO RELAY

D

C

1

BATT+

BATT PWR

NCA

NCA

NCA

NCA

NCA

15B

NCA

1 E

CIGAR LIGHTER ELEMENT

GROUND DISTRIBUTION SYSTEM

TO IGNITION CB (DIAGRAM 2 OF 4) A

86

85

LOCK

NCA

GND

NCA

GND+

NCA

52A ACC RELAY

30

85

87

14C

NCA

52B

NCA

14A

NCA

52D

NCA

D 52D

NCA

86

87

G

15K (OR 15)

IGNITION RELAY

30

TO WIPER CB, 15A (DIAGRAM 2 OF 4)

OFF

C

W/O ISO RELAY 52B

NCA

RUN

JUMPER

B

A

FROM RIGHT HEADLIGHT CB, 15A, CYCLING (DIAGRAM 1 OF 4)

FROM OPT SW 2 CB, 15A (DIAGRAM 1 OF 4)

TO ENG ECM CB, 10A (DIAGRAM 1 OF 4)

15A

15K 15A

NCA

NCA NCA

B

NCA

ACC

START

W/ ISO RELAY

F

B

OFF

NCA

RUN

15

A NCA

ACC LOCK

START

OFF

52D

RUN

C

ACC LOCK

START

52C

NCA

NCA GND 52

IGNITION SWITCH

GND+

NCA

NCA

C715

STARTING/CHARGING SYSTEM

C

A

NCA

F

NCA

MAGNETIC SWITCH

IGN POWER OPT CB 15A

INST CLUSTER CB 10A

ENG FAN CB 10A

BACK­UP LIGHT CB 10A

A/C CLUTCH CB 10A

AIR DRYER CB 15A

IGN POWER OPT CB 30A

FB

DA

ND6

AF5

NF5

AE5

BF

BE

BD

AB3

AC1 NCA

W/ ISO RELAY

AB4

STARTER LOCKOUT MICRO RELAY AF1

NC1

JD

DE

FUEL HTR MINI RELAY

OPT GA IGN PWR CB 10A

POWER DISTRIBUTION MODULE

1

AE2

2

ENG ECM CB 10A

52D

START SIG

52C

A9 DATA LOGGING UNIT (DLU)

FROM

G IGNITION SWITCH, PIN C (DIAGRAM 1 OF 4)

206277

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

41/65

17/11/2016

Printer Friendly View

Fig 2: Power Distribution Circuit (2 of 4) FROM ACC RELAY (DIAGRAM 1 OF 4)

52A

WINDSHIELD FAN CB 10A

SPOTLIGHT CB 10A

POWER DISTRIBUTION MODULE

JC

JA

LF

GB

RIGHT HEADLIGHT MICRO RELAY DB

LEFT HEADLIGHT MICRO RELAY

ACC POWER OPT CB 30A

2

JH

EC

AD5

2

HVAC MINI RELAY

HIGH WIPER MICRO RELAY AB2

LOW WIPER MICRO RELAY

2

3

CB RADIO CB 10A

JF

2

RADIO CB 10A

ED

2

ACC POWER CB 15A

DF

MIRROR CB 15A

JB

WIPER CB 15A

CD

NCA

C

POWER DISTRIBUTION MODULE

FROM RIGHT HEADLIGHT CB (CYCLING), 15A (DIAGRAM 1 OF 4)

D E TRAILER ABS CB 30A

LC

POWER SEAT CB 30A

DC

KB

GA

FA

TRAILER AUX MAXI CB 30A

KC

BAT PWR OPT DOOR LOCK CB

BC

RIGHT WINDOW CB 15A

LA

LEFT WINDOW CB 15A

CE

LE

AA5

DRL CB 10A

CC

HORN CB 15A

ND8

STOPLIGHT CB 25A

TO CLUSTER CB, 10A (DIAGRAM 2 OF 4)

POWER DISTRIBUTION MODULE

FROM TRAILER ABS CB, 30A (DIAGRAM 2 OF 4)

E

CLUSTER CB 10A

E­BOX MAXI FUSE 40A

IGNITION CB 10A 3

TRAILER TAILLIGHTS MAXI CB 30A

TRAILER MARKER MINI RELAY

FUEL HTR MAXI CB 30A 3

FUEL HEATER MINI RELAY

ROAD LIGHT CB 20A

FLASHER CB 20A 5

3

ROAD LAMP RELAY

TRACTOR TAILLIGHTS CB 15A

FLASHER RELAY

TRACTOR TAIL/MRKR MICRO RELAY

PANEL LAMP CB 15A 5

PANEL LAMP MICRO RELAY

52

AA6 NCA

MB

BB

AA4

AA3

AA7

TRAILER TAILLIGHT MINI RELAY

3

TRAILER MARKER MAXI CB 30A

F FROM IGNITION SWITCH, PIN A (DIAGRAM 1 OF 4)

206278

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

42/65

17/11/2016

Printer Friendly View

Fig 3: Power Distribution Circuit (3 of 4) CAB OVER ENGINE C

NCA

52R

A

NCA

14E

14S

14S

A3 NCA

14S

A4 NCA

14S

A7 NCA

14S

14S

14S

A6 NCA

14S

G6 NCA

14S

G7 NCA

52R

G5 NCA

52R

52R

G3 NCA

G4 NCA

14E

A2 NCA

14E

A1 NCA

14E

G1 NCA

14E

G2 NCA

NCA

A8 NCA

NCA

52R

NCA

14E

NCA

CONNECTOR P6

AUXILIARY POWER MODULE

41R

NCA

57B

NCA

B7 41S

READ/ BAG FUSE 15A

B3

LEFT RCPT FUSE 15A

B4

SLPR DOME FUSE 15A

NCA

B8 NCA

B6 NCA

+12V

H6 NCA

RIGHT RCPT FUSE 15A

HVAC CIRCUIT BREAKER 30A

57A

COM BATT FUSE 15A

OPT+

H7 57C

G8

NCA

ACC+

52K

NCA

PNL RCPT FUSE 15A

H8

OPT ACC FUSE 10A

NCA

442A

NCA

376C

NCA

H4 434R

DLU IGN FUSE 10A

H5

ABS IGN FUSE 10A

H3

COM IGN FUSE 10A

NCA

331

NCA

NCA

DIAGNOSTIC/ OPS FUSE 10A

B2

ABS BATT 1 FUSE 15A

376A

H1 NCA

376B

H2 442

NCA

ABS BATT FUSE 15A

B1

DLU BATT FUSE 10A

AIR CONDITIONING SYSTEM A

NCA

434R

B

NCA

376C

C

NCA

442

D

NCA

376B

E

NCA

98Y

F

NCA

376A

G

NCA

331

H

NCA

97A

CONNECTOR P1

A

NCA

52K

B

NCA

57C

C

NCA

OPT+

D

NCA

442A

E

NCA

GND

F

NCA

G

NCA

98Z

H

NCA

ACC+

AIR CONDITIONING SYSTEM

AIR CONDITIONING SYSTEM

GND AIR CONDITIONING SYSTEM

NCA

98S

B

NCA

98H

C

NCA

57C

D

NCA

52K

E

NCA

ACC+

F

NCA

ACC+

G

NCA

98H

H

NCA

98L

NCA

14S

NCA

57A

C

NCA

41S

D

NCA

GND

E

NCA

GND

F

NCA

98R

G

NCA

57B

H

NCA

41R

GND

NCA NCA

B

AIR CONDITIONING SYSTEM

AIR CONDITIONING SYSTEM

CONNECTOR P3

A

98H

ACC+

A

NCA

CONNECTOR P2

NCA

GND

AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM

CONNECTOR P4

C

NCA

GND

A

NCA

14S

NCA

14S

CONNECTOR P5

206279

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

43/65

17/11/2016

Printer Friendly View

Fig 4: Power Distribution Circuit (4 of 4) CONVENTIONAL

C

NCA 14S

B

NCA GNDS

A

NCA GNDF

CONNECTOR CH2

98L

B NCA

98R

A NCA

98S

AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM

CONNECTOR SH1

C

NCA 14E

B

NCA GNDE

52R

NCA

A

52K

NCA

B

97A

NCA

C

98Y

NCA

E

98Z

NCA

F

D

AIR CONDITIONING SYSTEM

CONNECTOR CH3 NCA

14S

POWER RCPT 1 CB 15A

AUXILIARY POWER MODULE

NCA

57B

8A

4A

POWER RCPT 2 CB 15A

NCA

41R

NCA 5A

14S

7A

NCA

14S

2C

READ/ BAG LAMP CB 15A

NCA

41S

NCA

8B 57C

NCA

14S

1C

NCA 1A

MAIN DOME LAMP CB 15A

2A

POWER RCPT 3 CB 15A

NCA

8A 98P

NCA

OPT+

2A

14S

9B

14S

NCA 7A

14S

3A

NCA

52K

14S

SLEEPER HVAC CB 30A

OPT BATT PWR CB 15A

NCA

NCA

8D

OPT IGN ACC CB 10A

ACC+

331

NCA

2A 376A

NCA 9D

14E

NCA 7A

DIAGNOSTIC/ ECAS BATT CB 10A

8A

ABS BATT 1 CB 15A

NCA

376B

NCA

442

14E

NCA 1A

14E

5A ABS BATT 2 CB 15A

4A

6D

DLU BATT CB (OPT) 10A

NCA

434R

NCA

14E

NCA

52R

5D

NCA 7C NCA

376C

NCA

4C 442A

ECAS IGN CB (OPT) 10A

8C

ABS IGN PWR CB 10A

2C

DLU IGN CB (OPT) 10A

NCA

52R

NCA

52R

1C

5C

NCA

NCA

NCA

NCA 14E

CONNECTOR CH1

52R

NCA

A

14S

GNDF

C NCA

57A

D NCA

AIR CONDITIONING SYSTEM A

NCA

442A

B

NCA

442

C

NCA

GNDE

CONNECTOR DLU F

NCA

GNDE

E

NCA

GNDE

D

NCA

GNDE

C

NCA

376C

B

NCA

376B

A

NCA

376A

CONNECTOR DC1

C

NCA

GNDE

B

NCA

331

A

NCA

434R

CONNECTOR DC2

A

NCA

GNDE

B

NCA

331

NCA

331

CONNECTOR CH4

A

NCA

ACC+

B

NCA

OPT+

C

NCA

GND

CONNECTOR DC3

H

NCA

GND

NCA

GND

G

NCA

GND

NCA

GND

F

NCA

GND

NCA

GND

E

NCA

41S

D

NCA

41R

C

NCA

57C

B

NCA

57B

A

NCA

57A

AIR CONDITIONING SYSTEM

CONNECTOR SH2

206280

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

44/65

17/11/2016

Printer Friendly View

POWER DOOR LOCKS Fig 1: Power Door Locks Circuit HOT AT ALL TIMES MAIN POWER DISTRIBUTION MODULE

BAT PWR OPT DOOR LOCK CB 10A

FA

9

GA 9

7

NCA 443

NCA 443 7

5B

NCA

443U1

6

NCA

GND

TO MIRROR

443U2

NCA

5B

443U1

NCA

6

4 4 3

NCA

443

1

NCA

GND

2B

NCA

443L1

8

NCA

GND

10

NCA

29A

NCA

3

443L1

NCA

1

443L2

NCA

2B

MIRRORS SYSTEM

GND

NCA

8

INTERIOR LIGHTS SYSTEM

29A

NCA

10

MIRRORS SYSTEM INTERIOR LIGHTS SYSTEM

LEFT DOOR LOCK SWITCH

A

B

NCA

443U

A NCA

443U

443L 443L

RIGHT DOOR LOCK SWITCH

NCA

NCA B NCA NCA

443U

A NCA NCA

443L

B NCA

KEYLESS ENTRY CONNECTOR

NCA 205872

443 TO MIRROR

M

M

LEFT DOOR LOCK ACTUATOR

RIGHT DOOR LOCK ACTUATOR

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

45/65

17/11/2016

Printer Friendly View

POWER SEATS Fig 1: Power Seats Circuit

HOT AT ALL TIMES

HOT IN ON OR START

CIRCUIT BREAKER 24 21A

HOT AT ALL TIMES

CIRCUIT BREAKER 51 21A

HOT IN ON OR START

CIRCUIT BREAKER 46 21A

CIRCUIT BREAKER 51 21A

GND BUS

A

NCA

GND BUS

LC0

DA0

AF7

DC0

FB0

HB0

NCA 242B

NCA 242C

NCA GND

NCA 242

NCA 242A

NCA GNDP

242B 242A

C

NCA

MAIN POWER DISTRIBUTION  MODULE

NCA

C

242

NCA

A

GND

NCA

B

242C A

B

PASSENGER SEAT

NCA

GND

B

C SPLICE PACK CONNECTOR P1

DRIVER'S SEAT

205996

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

46/65

17/11/2016

Printer Friendly View

POWER WINDOWS Fig 1: Driver Power Window Circuit

HOT AT ALL TIMES MAIN POWER DISTRIBUTION MODULE

LEFT WINDOW CIRCUIT BREAKER 25 15A CC NCA 363

10

NCA

29A

2B

NCA

363A

NCA

363A

1

NCA

GND

3

NCA

363

NCA

363

363

NCA

A

NCA

363E

NCA

B

NCA

INTERIOR LIGHTS SYSTEM

4

M LEFT WINDOW REGULATOR MOTOR 363

NCA

A

363B

NCA

B

6

NCA

GND

363A

NCA

C

5B

NCA

363B

363E

NCA

D

LEFT WINDOW SWITCH

IGN DOWN UP MOTOR WINDOW EXPRESS MODULE

205868

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

47/65

17/11/2016

Printer Friendly View

Fig 2: Driver/Passenger Power Window Circuit

HOT AT ALL TIMES MAIN POWER DISTRIBUTION MODULE

RIGHT WINDOW CIRCUIT BREAKER 18 15A

LA

NCA

363D1

6

NCA

GND

NCA

A

NCA

363D

NCA

B

NCA

M RIGHT WINDOW REGULATOR MOTOR

CE

NCA 363R 5B

363D

NCA 363R 363D

NCA

5B

363D1

NCA

6

4

4

3

NCA

363R

363R

NCA

3

1

NCA

GND

363D1

NCA

1

2B

NCA

363D1

363D

NCA

2B

8

NCA

GND

GND

NCA

8

10

NCA

29A

29A

NCA

10

INTERIOR LIGHTS SYSTEM

LEFT WINDOW SWITCH

RIGHT WINDOW SWITCH

205867

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

48/65

17/11/2016

Printer Friendly View

RADIO Fig 1: Radio Circuit, Delco

NCA NCA

RIGHT FRONT TWEETER A 95F+

NCA

B

NCA

95F­

NCA

C

NCA

95F+

NCA

E

95F­

NCA

F

95AL+

NCA

E

95AR+

NCA

C

95AR­

NCA

D

95AL­

NCA

B

D

B

RIGHT FRONT MIDRANGE

A

NCA

NCA

NCA

NCA

95F+ 95F­

NCA

F

NCA

C STEREO CONNECTOR

LEFT FRONT MIDRANGE

NCA NCA

LEFT FRONT TWEETER

A1 A2 A3

NCA

95WL+

A4

NCA

95WR+

NCA

GRD

GRD

NCA

NCA

295E

295E

NCA

B3

NCA

95WL­

B4

NCA

95WR­

A5 A6 A7 A8 A9 A10 A11 A12 B1

PDM

B2 95AR­

NCA

95AR+

NCA

B5 B6 B7 LEFT REAR MIDRANGE

B8 B9

NCA

95WR+

B10

NCA

95WR­

B11

NCA

95WR+

B12

NCA

95WL­

SUB AMPLIFIER NCA

95WL­

95AL+

NCA

NCA

95WR+

95AL­

NCA RIGHT REAR MIDRANGE

RIGHT SUB WOOFER NCA

95WR­

NCA

95WR+

LEFT SUB WOOFER

281876

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

49/65

17/11/2016

Printer Friendly View

SLEEPER CAB ACCESSORIES Fig 1: Webasto Circuit

1

BLU

2

WHT

3

RED/BLK

4

BLK

CONTROLLER UNIT

+5V OUT BATTERY PWR IN TEMP CTRL + TEMP CTRL ­ ON/OFF IN (5V) GROUND FUEL PMP GND FUEL PMP OUT

1

RED

2

RED

3

BLU

GND

NCA

86

810

NCA

85

438I

NCA

30

438I

NCA

87A RELAY

4 5

WHT

6 7

BLK

8

BRN

1

BRN

2

BLU

BRN

NCA

438I

NCA

438I

NCA

GND

NCA

PARK BRAKE SWITCH

GND

WEBASTO UNIT 2

BLU

1

BRN

81C

NCA

D

438

NCA

C

FUEL PUMP 86

BRN DASH PCM

BRN 85

WHT

30

RED

87

RED/BLK

RELAY

GROUND OUTPUT INPUT

BRN WHT BLU

BLU

NCA

438

RED

NCA

438I

ROLLOVER SWITCH

BRN

RED RED DIODE

245768

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

50/65

17/11/2016

Printer Friendly View

STARTING/CHARGING Fig 1: Charging Circuit, W/ Conventional Batteries

C

NCA

16

D

NCA

14

E

NCA

16

POWER DISTRIBUTION SYSTEM

DEPOPULATION STUD

STARTING CIRCUIT

16

GNDA NCA

NCA

15B NCA

NCA 1

GNDA

16

NCA

6

NCA

GND

GND STRAP

6

NCA

BATT+

NCA

NCA 1

BATTERY 1

NCA

BATTERY 2

NCA 1

BATTERY 3

NCA 1

NCA 6

NCA 6

NCA 6

NCA 6

STARTER GND

ALTERNATOR

206263

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

51/65

17/11/2016

Printer Friendly View

Fig 2: Charging Circuit, W/ Isolated Batteries

NCA

16C

87

NCA

16

NCA

30

86

NCA

428R

85

NCA

GND

52E/16C

NCA

16C

NCA

16

NCA

16

NCA

14

POWER DISTRIBUTION SYSTEM

DEPOPULATION STUD

7V ISO RELAY

15B

NCA

STARTING CIRCUIT

16 NCA 6 NCA

BATT+

6

NCA

6 NCA

GNDA NCA

GND

16

GNDA

NCA

NCA

NCA 428R NCA

GND STRAP

6

NCA

BATTERY 4 DEEP CYCLE CAB BATTERY

NCA 1

NCA 1 NCA

BATTERY 3

NCA 1

NCA 1

BATTERY 2

NCA 1

BATTERY 1

6

NCA

6

NCA

6

NCA

STARTER

1 ALTERNATOR

GND

206265

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

52/65

17/11/2016

Printer Friendly View

Fig 3: Starting Circuit, W/ Conventional Batteries HOT AT ALL TIMES POWER DISTRIBUTION MODULE

C715

NCA

A NCA

A

EVENT RECORDER (CATERPILLAR)

52

AA6

IGNITION CIRCUIT BREAKER 10A

IGNITION SWITCH ACC

START

15

OFF

15A

NCA

A9

A

NCA B

RUN

15 (OR 15K)

DATA LOGGING UNIT (DLU)

GND

NCA

CHARGING CIRCUIT

GND

15A

NCA

START

15B

NCA

BATT

15C

NCA

CRANK

6

BATTERY 2

MAGNETIC SWITCH BATTERY 1

1

15B NCA

NCA GNDA

16 NCA

15C

6 NCA

NCA

6 NCA

GND ALTERNATOR

BATT+

STRTR

GND

STARTER NCA

NCA

NCA

NCA 1

NCA 1

NCA 1

GNDA

GND

GND STRAP

NCA 6

NCA 6 BATTERY 3

NCA

NCA 6

NCA

GND

15K

NCA

B

NCA

JUMPER

M 206262

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

53/65

17/11/2016

Printer Friendly View

Fig 4: Starting Circuit, W/ Isolated Batteries HOT AT ALL TIMES IGNITION CIRCUIT BREAKER 10A

POWER DISTRIBUTION MODULE

NCA

EVENT RECORDER (CATERPILLAR)

C715

52

C1 A NCA

A IGNITION SWITCH ACC

START RUN

OFF

NCA

A

15

15A

DATA LOGGING UNIT (DLU)

NCA

GND

15A

NCA

START

15B

NCA

BATT

15C

NCA

CRANK

STRTR

GNDA

15B NCA

1

GND

GND ALTERNATOR

NCA

16

15C

6

NCA

BATT+

NCA

6

NCA

NCA

GND

STARTER NCA GND STRAP

NCA 1

BATTERY 4 DEEP CYCLE CAB BATTERY

NCA

NCA 6 BATTERY 3

NCA 1

MAGNETIC SWITCH

NCA 6

NCA 6 BATTERY 2

NCA 1

NCA

CHARGING CIRCUIT

NCA 6

NCA 6 NCA 1 NCA 1

GND

15K

NCA

GND

CHARGING CIRCUIT

NCA

A9

JUMPER

B

BATTERY 1

NCA

15 (OR 15K)

NCA

B

M

206264

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

54/65

17/11/2016

Printer Friendly View

SUPPLEMENTAL RESTRAINTS Fig 1: Air Bag Circuit, Late Production HOT AT ALL TIMES POWER DISTRIBUTION MODULE

SUPPLEMENTAL RESTRAINTS (SPACE SYSTEM) AIR BAG FUSE

SPACE FUSE 5A

CIRCUIT BREAKER 13 10A A1

B1

E NCA 454

IGNITION +12V EMI SHIELD GND SAE D/L 1587+ SAE D/L 1587­ SRS WARN LP

NCA

81C

NCA A

NCA

454

NCA B

NCA

454G

NCA C

NCA

J1587+B

NCA D

NCA

J1587­B

NCA E

NCA

454L (OR 454)

NCA 1

NCA

454+

NCA 2

NCA

454­

NCA

GROUND STUD

AS1 DRIVER SRS+ DRIVER SRS­

AS2

AIR BAG SENSOR MODULE

3

1

GRY

VIO

CLOCKSPRING

GRY

NCA 454L (OR 454) D1 NCA

VIO

2

1 AIR BAG CONNECTOR

AIR BAG IND CLUSTER

205968

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

NCA 1587­B B

NCA 1587+B A

2B

2A

JUNCTION BLOCK DIAGNOSTIC CONNECTOR

55/65

17/11/2016

Printer Friendly View

Fig 2: Dual Air Bags Circuit, Early Production HOT AT ALL TIMES POWER DISTRIBUTION MODULE

1

SUPPLEMENTAL RESTRAINTS (SPACE SYSTEM) AIR BAG FUSE

SPACE FUSE 5A A1

NOTE: CIRCUIT BREAKER POSITION 17 IS DESIGNATED "IGNITION POWERED OPTIONS"

EMI SHIELD GND

SPACE CIRCUIT BREAKER 17 15A

B1

NCA

454G

454

NCA

81C

NCA

81C

NCA

E

454G

NCA

2

2

3

DRIVER SRS­ PASS SPACE+ PASS SPACE­ SRS WARN LP

NCA

4

454

5

NCA

454A+

6

NCA

454A­

5

7

NCA

454D+

454D+

NCA

7

8

NCA

454D­

454D­

NCA

8

9

NCA

454L (OR 454)

10

NCA

6

9

NCA

1587+B

14

NCA

1587­B

15

NCA

454

454

NCA

15

16

NCA

GND

GND

NCA

16

13

2B 2A

B A

NCA NCA

1587­B

3

1

GRY

VIO

454G

NCA

DRIVER SIDE SPACE MODULE

NCA

14

GND

GROUND

12

13

NCA

IGNITION +12V

PASS SPACE­

11

12

SAE D/L 1587­

PASS SPACE+

10

11

SAE D/L 1587+

EM1 SHIELD GND

3

4 DRIVER SRS+

1

IGNITION+12V GROUND PASSENGER SIDE SPACE MODULE

NCA

GROUND STUD

1587+B

CLOCKSPRING

JUNCTION BLOCK DIAGNOSTIC CONNECTOR GRY AIR BAG IND

D1

NCA

454L (OR 454)

CLUSTER NCA 2 205969

VIO 1 AIR BAG CONNECTOR

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

56/65

17/11/2016

Printer Friendly View

Fig 3: Single Air Bag Circuit, Early Production HOT AT ALL TIMES

1

NCA

454 454

81C

NCA

B1

81C

E NCA

SUPPLEMENTAL RESTRAINTS (SPACE SYSTEM) AIR BAG FUSE

SPACE FUSE 5A A1

NOTE: CIRCUIT BREAKER POSITION 17 IS DESIGNATED "IGNITION POWERED OPTIONS"

EMI SHIELD GND

SPACE CIRCUIT BREAKER 17 15A

NCA

POWER DISTRIBUTION MODULE

NCA

454G

5

NCA

454A+

6

NCA

454A­

9

NCA

454L (OR 454)

10

NCA

2 3 4

DRIVER SRS+ DRIVER SRS­ PASS SPACE+ PASS SPACE­ SRS WARN LP

7 8

11

GROUND

1587+B

NCA

1587­B

15

NCA

454

16

NCA

GND

NCA

DRIVER SIDE SPACE MODULE

454G

IGNITION +12V

NCA

14

NCA

SAE D/L 1587­

13

NCA

SAE D/L 1587+

GND

12

NCA

NCA

3

1

GRY

VIO

NCA CLOCKSPRING

2A

B A

NCA NCA

1587+B

GROUND STUD

GRY

AIR BAG IND

D1

NCA

JUNCTION BLOCK DIAGNOSTIC CONNECTOR

1587­B

454L (OR 454)

2B

NCA 2

VIO 1 AIR BAG CONNECTOR

CLUSTER 205967

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

57/65

17/11/2016

Printer Friendly View

TRANSMISSION Fig 1: Transmission Circuit, Meritor EOA Range Shift

NCA

NCA

NCA

NEUTRAL SWITCH

B

NCA

A

NCA

B

LOW SOLENOID

NCA NCA

A

B

HIGH SOLENOID

NCA

A

NCA

NCA

B

NCA

A

NCA NCA J2

F

E NCA

B BLU

YEL

A

D

B GRN

C

A WHT

BLK

SET SWITCH

SHIFT KNOB

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

NCA

D NCA

C NCA

B NCA

B

A BLU

RESUME SWITCH

HI NCA

LO

CONNECTS TO VEHICLE WIRING

YEL

B GRN

NCA

D

A

BLK

ORG

C WHT NCA

NCA 281875

HI

A NCA

CONNECTS TO VEHICLE WIRING

CONNECTS TO VEHICLE WIRING

LO

B NCA

B NCA

A NCA

A NCA

SOLENOID ASSEMBLY REVERSE SWITCH (OPTIONAL)

PAUSE SWITCH

SHIFT KNOB (OPTIONAL)

58/65

17/11/2016

Printer Friendly View

Fig 2: Transmission Circuit, Meritor Smart Shift HOT AT ALL TIMES

HOT IN ON OR START PDF

M2 223A

464A

NCA

464C

NCA

223A

464B

NCA

NCA

NCA

C

232

B A

NCA

B

FUSE 2

SMART SHIFT 1 2 COMPUTER DATA LINES SYSTEM 1

NCA

1939+T

3

NCA

1939­T

4

NCA

1587­T

5

NCA

1587+T

6

NCA

223R1

7

NCA

464A

8

NCA

464C

9

NCA

223R2

11

NCA

464B

12

NCA

223T1

13

NCA

223P2

14

NCA

223P1

15

NCA

223T2

17

NCA

223P3

18

NCA

223P

2

COMPUTER DATA LINES SYSTEM

1587­T

NCA

3

1587+T

NCA

4

GND+

NCA

5

223A

NCA

6 TRANSMISSION DISPLAY

COMPUTER DATA LINES SYSTEM

10

GND+

NCA

GND

NCA GND SPLICE PACK

16

T1

A2

1 2

GND

NCA

A1

223M

NCA

C2

GND

NCA

GND

NCA

223M+

NCA

3 4

NCA

223M

5 6 7

NCA

223L

8

NCA

223H

9

NCA

223S4

10

NCA

223S1

11

NCA

223S2

12

NCA

223S3

13

NCA

232

14

NCA

223A

15

NCA

GNDE

NCA

GNDE

A

NCA

223S3

B

NCA

223S4

C

NCA

223S1

D

NCA

223S2

E

NCA

223L

F

NCA

223H

NCA

GNDE

A

NCA

223T1

B

NCA

223T2

C

NCA

223P3

D

NCA

223P2

E

NCA

223P1

G

NCA

223R1

H

NCA

223R2

NCA

223P

B2

C1 INDICATOR LIGHT RELAY

T2 TRANSMISSION ECU

BATT GND

223M+

NCA

C1

CHECK TRANSMISSION INDICATOR DASH CLUSTER

G H M8

F

J K M10 TRANSMISSION HARNESS VENDOR SUPPLIED

281873

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

59/65

17/11/2016

Printer Friendly View

For additional transmission wiring diagrams, see TRANSMISSION WIRING DIAGRAMS article.

WARNING SYSTEMS Fig 1: Collision Warning Circuit, Eaton Vorad EVT­200 HOT AT ALL TIMES

HOT IN ON OR START

CIRCUIT BREAKER 13 18A

HOT AT ALL TIMES

CIRCUIT BREAKER 11 17.5A

CIRCUIT BREAKER 18

MAIN POWER DISTRIBUTION MODULE

FLASHER RELAY

AB3 NCA

ANTENNA 1 ANTENNA 2 ANTENNA 3 ANTENNA 4 ANTENNA 5 ANTENNA 6 ANTENNA 7 ANTENNA 8 SIGR TBSD ISP GND + 12V GND SIGRTBSSENS +12V RSTEERSMSR GND LSTEERSMSR +12 COUANALOG +12V COUDATA COUCLK GND SPEAKER RTTURSIG BRAKE IGNITION 1587+ 1587­ GND

AF2 444

NCA

AA5 38A

NCA

1

NCA

NCA

2

NCA

NCA

3

NCA

NCA

4

NCA

NCA

5

NCA

NCA

6

NCA

NCA

7

NCA

8

NCA

C12

NCA

444L

C13

NCA

444M

C11

NCA

444K

D13

NCA

444U

D12

NCA

444T

D11

NCA

444A

D8

NCA

444I

D7

NCA

444G

C8

NCA

444G

C7

NCA

444F

C5

NCA

444D

C6

NCA

444E

C4

NCA

444C

D4

NCA

444N

D5

NCA

444P

D6

NCA

444R

C2

NCA

38R

444U

NCA

A

GND

NCA

C1

NCA

36B

444T

NCA

B

SIGRTBSSENS

NCA

D1

NCA

444

444A

NCA

C

+12V

NCA

D9

NCA

J1587+W

D10

NCA

J1587­W

NCA

GND

NCA NCA FRONT ANTENNA ECU

444L

NCA A

444M

NCA B

444K

NCA C D

SIGR TBSD ISP GND +12V NOT USED SIDE SENSOR DISPLAY UNIT

SIDE SENSOR UNIT

38R

NCA

12

38A

NCA

39L

NCA

38L

1

3

NCA

6

36A

NCA

7

28D

NCA

2

HEADLIGHTS SYSTEM

GND1

GND1

NCA 11

NCA

TURN SIGNAL SWITCH

EXTERIOR LIGHTS SYSTEM

NCA

38L

39L

28D NCA

39R

NCA

38R

NCA

NCA

NCA

36B NCA B STOP LIGHT SWITCH

NCA

NCA STEERING SENSOR UNIT

9

36B NCA A

444I A NCA +12V

444G B NCA LSTEERSNSR

444G C NCA GND

444F D NCA RSTEERSNSR

COUANALOG

444E

444D A NCA

DRIVER DISPLAY UNIT

+12V

444C C NCA

B NCA

444N D NCA COUCLK

COUANALOG

444P GND

444R NCA F

E NCA

EXTERIOR LIGHTS SYSTEM

SPEAKER

1587+A 10B NCA 1788 +A

1587+A 3B NCA 1788 ­A LEFT SIDE CLUSTER

NCA

NCA ANTI­LOCK BRAKES SYSTEM

2A

2B

36B

DATA LINK JUNCTION BLOCK (LEFT B PILLAR)

39R

36B

NCA J1587­W 3A

NCA

NCA 3B

J1587+W

EATON VORAD EVT­200 ELECTRONIC CONTROL UNIT

HEADLIGHTS SYSTEM

205964

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

60/65

17/11/2016

Printer Friendly View

Fig 2: Collision Warning Circuit, Eaton Vorad EVT­300 HOT IN ON OR START

MAIN POWER DISTRIBUTION MODULE

CIRCUIT BREAKER 13 10A BDG

NCA 444

POWER GND VBUS+ VBUS­ IGNITION POWER GND

C3

NCA

444J1

444J1

NCA

4

C9

NCA

444J2

444J2

NCA

3

C5

NCA

444J+

444J+

NCA

2

C6

NCA

444J­

444J­

NCA

1

C1

NCA

444

C2

NCA

GND1

C15 SIGNAL GND SIGNAL POWER 1587+ 1587­ POWER GND VBUSPOS VBUSNEG BRAKE GND FRAME GND

NCA

POWER DCRIN VBUSPOS VBUSNEG FRONT ANTENNA

38R

NCA

444L

C14

NCA

444A

C13

NCA

444U

C12

NCA

444T

C7

NCA

C8

NCA

D3

NCA

444E

D4

NCA

444P

D5

NCA

D6

NCA

C9

NCA

36B

NCA

GND

38R

TO EXTERIOR LIGHTS (RF TURN SIGNAL)

NCA

J1587+W J1587+W

444R 444N

EATON VORAD EVT­300 CPU

444L

NCA

4

444M

NCA

3

444K

NCA

2 1

SIGNAL GND POWER NOT USED SIDE DISPLAY

444A

NCA

A

GND

NCA

444U

NCA

B

SIGNAL

NCA

444T

NCA

C

+12V

NCA

444E

1587+W

1587+W

NCA

NCA

444P

NCA D

444R

NCA C

444N

NCA

NCA

B

NCA

NCA

36B

SIDE SENSOR

POWER

GND

DRIVER DISPLAY

B

A 1587+ 5A

STOP LIGHT

1587­ 5B

OPTION CONNECTOR

VBUSPOS

A VBUSNEG

A

36B

VORAD DATA BUS JUNCTION BLOCK

205966

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

61/65

17/11/2016

Printer Friendly View

Fig 3: Low Voltage Disconnect Circuit

HOT AT ALL TIMES

V­IN WARNING BUZZER CTRL V­OUT

447B

NCA

GND

NCA

14B

NCA

447J

NCA

14BS

NCA

14BS

GND

NCA

GND

NCA

NCA GROUND

NCA

447B

V­SENSE FUSE 15A

V­SENSE

MAIN POWER DISTRIBUTION MODULE

LOW VOLTAGE DISCONNECT GROUND FUSE 15A

POWER DISTRIBUTION SYSTEM

POWER DISTRIBUTION SYSTEM

447J

NCA

14BS

NCA

14BS

NCA

LOW VOLTAGE DISCONNECT MODULE

WARNING BUZZER

205965

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

62/65

17/11/2016

Printer Friendly View

WIPER/WASHER Fig 1: Intermittent Wiper/Washer Circuit

315

NCA

CIRCUIT BREAKER 15A

INTERMITTENT WIPER & WINDSHIELD WIPER SWITCHES NCA NCA

7

NCA

3

NCA

NCA 315

NCA

318

5

NCA

316

9

NCA

29A

10

NCA

GND

NCA

87

317

NCA

87A

NCA

1

315

30

315

NCA

INTERIOR LIGHTS SYSTEM

85

NCA

315A

86 INTERMITTENT WIPER RELAY ("A" PANEL)

315 NCA

318

317 NCA

NCA

NCA

316

WIPER SWITCH (ON LEFT SIDE DASH PANEL)

WIPER MOTOR

315

NCA

A

BLU

GND

NCA

B

BLK

315A

NCA

C

YEL

320

NCA

D

RED INTERMITTENT WIPER/WASHER SLIDER SWITCH (ON DASH PENAL BELOW WIPER SWITCH)

M

NCA

GND

NCA

NCA

320

281871

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

M WASHER MOTOR

63/65

17/11/2016

Printer Friendly View

Fig 2: Wiper/Washer Circuit HOT IN ON OR ACC POWER DISTRIBUTION MODULE

NCA

315A

1

NCA

315

5

NCA

320

2

NCA

29A

6

NCA

AE6 AE8

AD5 AD5 NCA

85

NCA 315B

NCA

NCA

86

INTERIOR LIGHTS SYSTEM

NCA

LH­A9

INSTRUMENTATION CONTROL UNIT

NCA 320A NCA

WASHER LEVEL SENSOR

GND

B 12V

A

NCA

315C

NCA

315H

NCA

315P

E

C

HIGH

LOW

D

NCA

M

WASHER PUMP

NCA

NCA

WIPER SWITCH

205946

NE6 NE8

BLUE

GND

4

315L

ILL

315B

NB5 NB5

87

320

W

NCA

NCA

L 12V

3

87A

30

AD6 AD8

NCA 315L H

85

NCA

NB6 NB6

SPRAGUE TRICO

86

315H

87

315P

87A

315A

30

HIGH SPEED RELAY

315

LOW SPEED RELAY

WIPER CIRCUIT BREAKER 15A

WIPER MOTOR

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

64/65

17/11/2016

Printer Friendly View

http://truck2.prodemand.com/Print/Index?content=tabs&module=true&tab=true&terms=true&ymms=false&className=

65/65