GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Crew) C6/C7/C8 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Lighting Systems Connector End Views
Table 1: Air Brake Pressure Gage Lamp (JE4)
Table 2: Back Up Alarm (UZF)
Table 3: Backup Lamp Switch (Manual Transmission)
Table 4: Clearance Lamp - Left
Table 5: Clearance Lamp - Right
Table 6: Daytime Running Lights (DRL) Diode
Table 7: Daytime Running Lights (DRL) Module
Table 8: Differential Lock Switch Lamp (HNB/HPL/HPN)
Table 9: Dome Lamp
Table 10: Dome Lamp - Rear (SEO)
Table 11: Dome/Reading Lamp (C95)
Table 12: Headlamp - High Beam - Left (V22)
Table 13: Headlamp - High Beam - Right (V22)
Table 14: Headlamp - High/Low Beam - Left (GRW)
Table 15: Headlamp - High/Low Beam - Right (GRW)
Table 16: Headlamp - Low Beam - Left (V22)
Table 17: Headlamp - Low Beam - Right (V22)
Table 18: Headlamp Switch
Table 19: Identification (ID) Lamp - Center
Table 20: Identification (ID) Lamp - Left
Table 21: Identification (ID) Lamp - Right
Table 22: Inter-Axle Differential Lock Switch Lamp (Tandem Axle)
Table 23: Marker Lamps Switch
Table 24: Outside Rearview Mirror - Driver (DB7)
Table 25: Outside Rearview Mirror - Passenger (DB7)
Table 26: Park/Turn Signal Lamp - LF
Table 27: Park/Turn Signal Lamp - RF
Table 28: Rear Axle Driver Control Switch Lamp - Two Speed (HR1/Automatic Transmission)
Table 29: Stop Lamp Switch (JE3/C4)
Table 30: Stop Lamp Switch (JE3/C5/C6/C7)
Table 31: Stop Lamp Switch (JE4)
Table 32: Rear Axle Shift Switch - Two Speed (HR1/HR2)
Table 33: Tail Lamp Assembly - Left
Table 34: Tail Lamp Assembly - Right
Table 35: Tractor Receptacle (JE4/RQ3)
Table 36: Tractor/Trailer Plug (VPG)
Table 37: Trailer Connector (C4/C5)
Table 38: Trailer Stop Lamp Switch (JE4 and RQ2 and U86 or JE4 and RQ3)
Table 39: Turn Signal/Hazard Flasher Module

Air Brake Pressure Gage Lamp (JE4)


Object Number: 743312 Size: CH

Connector Part Information
    • 12004264
    • 2-Way Lamp Socket Components Bulb Bases Type W-2 Axial (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

8

Instrument Panel Lamp Supply Voltage - 1

B

BK

450

Ground

Back Up Alarm (UZF)


Object Number: 68721 Size: CH

Connector Part Information
    • 15300027
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

B

BK

350

Ground

Backup Lamp Switch (Manual Transmission)


Object Number: 537107 Size: CH

Connector Part Information
    • 12052644
    • 2-Way F Metri-Pack 150 Series, Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

L-GN

24

Backup Lamp Supply Voltage

Clearance Lamp - Left


Object Number: 410092 Size: CH

Connector Part Information
    • 06294702
    • 2-Way Lamp Socket Components Bulb Bases Type W-2 Axial (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Marker Lamps Supply Voltage

D-GN

21

Marker Lamps Supply Voltage

B

BK

750

Ground

BK

750

Ground

Clearance Lamp - Right


Object Number: 410092 Size: CH

Connector Part Information
    • 06294702
    • 2-Way Lamp Socket Components Bulb Bases Type W-2 Axial (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Marker Lamps Supply Voltage

B

BK

750

Ground

Daytime Running Lights (DRL) Diode


Object Number: 35456 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

340

Battery Positive Voltage

B

YE

634

DRL Diode Supply Voltage

Daytime Running Lights (DRL) Module


Object Number: 283863 Size: CH

Connector Part Information
    • 12191131
    • 8-Way P/C Edgeboard - Standard (GY)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1134

Park Brake Switch Signal

B

--

--

Not Used

C

BN

641

Ignition 3 Voltage

D

YE

10

Headlamp Switch Signal/Headlamps Supply Voltage

E-F

--

--

Not Used

G

L-GN/BK

592

DRL Relay Control

H

BK

750

Ground

Differential Lock Switch Lamp (HNB/HPL/HPN)


Object Number: 711794 Size: CH

Connector Part Information
    • 12103827
    • 2-Way F Sprague (NA)

Pin

Wire Color

Circuit No.

Function

1

BN

2509

Left Rear Park Lamps Supply Voltage

2

BK

750

Ground

Dome Lamp


Object Number: 68722 Size: CH

Connector Part Information
    • 15528758
    • 2-Way F Lamp Socket, Dome Lamp (NA)

Pin

Wire Color

Circuit No.

Function

A

OG

40

Battery Positive Voltage

B

WH

156

Courtesy Lamp Switch Signal

Dome Lamp - Rear (SEO)


Object Number: 68722 Size: CH

Connector Part Information
    • 15528758
    • 2-Way F Lamp Socket, Dome Lamp (NA)

Pin

Wire Color

Circuit No.

Function

A

OG

40

Battery Positive Voltage

B

WH

156

Courtesy Lamp Switch Signal

Dome/Reading Lamp (C95)


Object Number: 68722 Size: CH

Connector Part Information
    • 15528758
    • 2-Way F Lamp Socket, Dome Lamp (NA)

Pin

Wire Color

Circuit No.

Function

A

OG

40

Battery Positive Voltage

B

WH

156

Courtesy Lamp Switch Signal

Headlamp - High Beam - Left (V22)


Object Number: 892520 Size: CH

Connector Part Information
    • 06288472
    • 2-Way F Metri-Pack 800 Series (CL)

Pin

Wire Color

Circuit No.

Function

A

L-GN

11

Headlamp High Beam Supply Voltage

B

BK

350

Ground

Headlamp - High Beam - Right (V22)


Object Number: 892520 Size: CH

Connector Part Information
    • 06288472
    • 2-Way F Metri-Pack 800 Series (CL)

Pin

Wire Color

Circuit No.

Function

A

L-GN

11

Headlamp High Beam Supply Voltage

B

BK

350

Ground

Headlamp - High/Low Beam - Left (GRW)


Object Number: 306269 Size: CH

Connector Part Information
    • 12034372
    • 3-Way F Metri-Pack 800 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

12

Headlamp Low Beam Supply Voltage

B

L-GN

11

Headlamp High Beam Supply Voltage

C

BK

350

Ground

Headlamp - High/Low Beam - Right (GRW)


Object Number: 306269 Size: CH

Connector Part Information
    • 12034372
    • 3-Way F Metri-Pack 800 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

12

Headlamp Low Beam Supply Voltage

B

L-GN

11

Headlamp High Beam Supply Voltage/Added Headlamp Dimmer Switch Signal

C

BK

350

Ground

Headlamp - Low Beam - Left (V22)


Object Number: 892522 Size: CH

Connector Part Information
    • 06288471
    • 3-Way F Metri-Pack 800 Series (CL)

Pin

Wire Color

Circuit No.

Function

A

TN

12

Headlamp Low Beam Supply Voltage

B

L-GN

11

Headlamp High Beam Supply Voltage

C

BK

350

Ground

Headlamp - Low Beam - Right (V22)


Object Number: 892522 Size: CH

Connector Part Information
    • 06288471
    • 3-Way F Metri-Pack 800 Series (CL)

Pin

Wire Color

Circuit No.

Function

A

TN

12

Headlamp Low Beam Supply Voltage

B

L-GN

11

Headlamp High Beam Supply Voltage

C

BK

350

Ground

Headlamp Switch


Object Number: 68785 Size: CH

Connector Part Information
    • 12146952
    • 12-Way F Metri-Pack 280 Series Flexlock (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Available

B

GY

157

Courtesy Lamp Control

C

RD

1142

Battery Positive Voltage

D

PK

39

Ignition 1 Voltage

E

D-GN

44

Instrument Panel Lamps Dimmer Switch Signal

F

--

--

Not Available

G

YE

10

Headlamp Switch Signal/Headlamps Supply Voltage

H

OG

240

Battery Positive Voltage

J

--

--

Not Available

K

--

--

Not Used

L

PU

328

Interior Lamp Defeat Switch Signal/Interior Lamp Switch Signal

M

WH

156

Courtesy Lamp Switch Signal

WH

156

Courtesy Lamp Switch Signal

N

PU/WH

1382

LED Dimming Signal

P

--

--

Not Available

R

BK

750

Ground

S

BN

9

Park Lamp Supply Voltage

Identification (ID) Lamp - Center


Object Number: 410092 Size: CH

Connector Part Information
    • 06294702
    • 2-Way Lamp Socket Components Bulb Bases Type W-2 Axial (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Marker Lamps Supply Voltage

D-GN

21

Marker Lamps Supply Voltage

B

BK

750

Ground

BK

750

Ground

Identification (ID) Lamp - Left


Object Number: 410092 Size: CH

Connector Part Information
    • 06294702
    • 2-Way Lamp Socket Components Bulb Bases Type W-2 Axial (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Marker Lamps Supply Voltage

D-GN

21

Marker Lamps Supply Voltage

B

BK

750

Ground

BK

750

Ground

Identification (ID) Lamp - Right


Object Number: 410092 Size: CH

Connector Part Information
    • 06294702
    • 2-Way Lamp Socket Components Bulb Bases Type W-2 Axial (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Marker Lamps Supply Voltage

D-GN

21

Marker Lamps Supply Voltage

B

BK

750

Ground

BK

750

Ground

Inter-Axle Differential Lock Switch Lamp (Tandem Axle)


Object Number: 711794 Size: CH

Connector Part Information
    • 12103827
    • 2-Way F Sprague (NA)

Pin

Wire Color

Circuit No.

Function

1

BN

2509

Left Rear Park Lamps Supply Voltage

2

BK

750

Ground

Marker Lamps Switch


Object Number: 40446 Size: CH

Connector Part Information
    • 12177194
    • 6-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

BK

750

Ground

B

BK

750

Ground

C

OG/BK

2666

Battery Positive Voltage

D

--

--

Not Used

E

BN

2509

Left Rear Park Lamps Supply Voltage

F

--

--

Not Used

Outside Rearview Mirror - Driver (DB7)


Object Number: 1455643 Size: CH

Connector Part Information
    • 12129487
    • 2-Way F Metri-Pack 280 Series Flexlock Sealed (WH)

Pin

Wire Color

Circuit No.

Function

1

WH

21

Marker Lamps Supply Voltage

2

BK

550

Ground

Outside Rearview Mirror - Passenger (DB7)


Object Number: 1455643 Size: CH

Connector Part Information
    • 12129487
    • 2-Way F Metri-Pack 280 Series Flexlock Sealed (WH)

Pin

Wire Color

Circuit No.

Function

1

WH

21

Marker Lamps Supply Voltage

2

BK

550

Ground

Park/Turn Signal Lamp - LF


Object Number: 73223 Size: CH

Connector Part Information
    • 12162182
    • 3-Way F Metri-Pack 150.2 Series, Sealed Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

14

Left Turn Signal Lamps Supply Voltage

B

BK

350

Ground

C

BN

2509

Left Rear Park Lamps Supply Voltage

Park/Turn Signal Lamp - RF


Object Number: 73223 Size: CH

Connector Part Information
    • 12162182
    • 3-Way F Metri-Pack 150.2 Series, Sealed Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

14

Left Turn Signal Lamps Supply Voltage

B

BK

350

Ground

C

BN

2509

Left Rear Park Lamps Supply Voltage

Rear Axle Driver Control Switch Lamp - Two Speed (HR1/Automatic Transmission)


Object Number: 711794 Size: CH

Connector Part Information
    • 12103827
    • 2-Way F Sprague (NA)

Pin

Wire Color

Circuit No.

Function

1

BN

2509

Left Rear Park Lamps Supply Voltage

2

BK

750

Ground

Stop Lamp Switch (JE3/C4)


Object Number: 62424 Size: CH

Connector Part Information
    • 12040551
    • 6-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

17

Stop Lamp Switch Signal

B

OG

140

Battery Positive Voltage

C

PU

420

TCC Brake Switch/Cruise Control Release Signal

D

BN

441

Ignition 3 Voltage

E

BN

86

Cruise Control Release Signal

F

BK/WH

451

Ground

Stop Lamp Switch (JE3/C5/C6/C7)


Object Number: 62424 Size: CH

Connector Part Information
    • 12040551
    • 6-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BN

441

Ignition 3 Voltage

D

PU

420

TCC Brake Switch/Cruise Control Release Signal

E

OG

140

Battery Positive Voltage

F

WH

17

Stop Lamp Supply Voltage

Stop Lamp Switch (JE4)


Object Number: 62424 Size: CH

Connector Part Information
    • 12040551
    • 6-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK/WH

451

Ground

B

BN

86

Cruise Control Release Signal

C

BN

441

Ignition 3 Voltage

D

PU

420

TCC Brake Switch/Cruise Control Release Signal

E

OG

140

Battery Positive Voltage

F

WH

17

Stop Lamp Switch Signal

Rear Axle Shift Switch - Two Speed (HR1/HR2)


Object Number: 876326 Size: CH

Connector Part Information
    • 12065402
    • 2-Way F Metri-Pack 150 Series (BN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Available

C

GY/BK

1467

Air Shift Switch Signal

D

BK

250

Ground

Tail Lamp Assembly - Left


Object Number: 222697 Size: CH

Connector Part Information
    • 12065862
    • 4-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

B

BN

2509

Left Rear Park Lamps Supply Voltage

C

YE

618

Left Rear Turn Signal Lamp Supply Voltage

D

--

--

Not Available

E

BK

350

Ground

Tail Lamp Assembly - Right


Object Number: 222697 Size: CH

Connector Part Information
    • 12065862
    • 4-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

B

BN/WH

2609

Right Rear Park Lamps Supply Voltage

C

D-GN

619

Right Rear Turn Signal Lamp Supply Voltage

D

--

--

Not Available

E

BK

350

Ground

Tractor Receptacle (JE4/RQ3)


Object Number: 872904 Size: CH

Connector Part Information
    • 11-811
    • 7-Way M Pollak (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

MU01

Ground

2

BK

MF01

Marker Lamps

3

YE

MF02

Left Turn/Hazard Lamps

4

RD

MF03

Stop Lamps and ABS Backup Power

5

D-GN

MF04

Right Turn/Hazard Lamps

6

BN

MF06

Tail and License Plate Lamps

7

D-BU

MF05

ABS Continuous Shared Power

Tractor/Trailer Plug (VPG)


Object Number: 872904 Size: CH

Connector Part Information
    • 15022090 Assembly
    • 7-Way F Pollak (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

1

Ground

2

BK

2

Marker Lamps

3

YE

3

Left Turn/Hazard Lamps

4

RD

4

Stop Lamps and ABS Backup Power

5

D-GN

5

Right Turn/Hazard Lamps

6

BN

6

Tail and License Plate Lamps

7

D-BU

7

ABS Continuous Shared Power

Trailer Connector (C4/C5)


Object Number: 525095 Size: CH

Connector Part Information
    • 15354653
    • 7-Way F Metri-Pack 280 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

B

WH

22

Ground

C

D-BU

47

Trailer Auxiliary Supply Voltage

D

D-GN

319

Right Rear Trailer Stop/Turn Lamp Supply Voltage

E

RD

642

Battery Positive Voltage

F

BN

9

Park Lamp Supply Voltage

G

YE

318

Left Rear Trailer Stop/Turn Lamp Voltage

Trailer Stop Lamp Switch (JE4 and RQ2 and U86 or JE4 and RQ3)


Object Number: 646148 Size: CH

Connector Part Information
    • 12020599
    • 2-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

140

Battery Positive Voltage

B

WH

17

Stop Lamp Switch Signal

Turn Signal/Hazard Flasher Module


Object Number: 39680 Size: CH

Connector Part Information
    • 12103751
    • 5-Way F Metri-Pack (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

GY

1696

Turn/Hazard Module 2 Supply Voltage

3

--

--

Not Used

4

PU

1697

Turn/Hazard Module Signal

5

BK

750

Ground