GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 TopKick C-Series (Conventional) C4/C5 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Lighting Systems Connector End Views
Table 1: Backup Lamp Switch (MWW/MWX)
Table 2: Back Up Alarm Siren (UZF)
Table 3: Daytime Running Lights (DRL) Diode
Table 4: Daytime Running Lights (DRL) Module
Table 5: Dome Lamp
Table 6: Door Latch - Driver
Table 7: Door Latch - LR (Crew Cab)
Table 8: Door Latch - RF
Table 9: Door Latch - RR (Crew Cab)
Table 10: Headlamp Switch
Table 11: Headlamp - High Beam - Left (HPR)
Table 12: Headlamp - Left (HPR)
Table 13: Headlamp - Left (8D5)
Table 14: Headlamp - High Beam - Right (HPR)
Table 15: Headlamp - Right (HPR)
Table 16: Headlamp - Right (8D5)
Table 17: Marker Lamp Roof 1
Table 18: Marker Lamp Roof 2
Table 19: Marker Lamp Roof 3
Table 20: Marker Lamp Roof 4
Table 21: Marker Lamp Roof 5
Table 22: Marker Lamps Switch
Table 23: Park/Turn Signal Lamp - LF
Table 24: Park/Turn Signal Lamp - RF
Table 25: Tail Lamps - Left
Table 26: Tail Lamps - Right
Table 27: Trailer Connector (C4/C5)
Table 28: Trailer Stop Lamp Switch (C7/C8)
Table 29: Turn Signal/Hazard Flasher Module

Backup Lamp Switch (MWW/MWX)


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

Back Up Alarm Siren (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

Battery Positive Voltage

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

Dome Lamp


Object Number: 68722 Size: CH

Connector Part Information
    • 15528758
    • 2-Way F (NA)

Pin

Wire Color

Circuit No.

Function

A

OG

40

Battery Positive Voltage

B

WH

156

Courtesy Lamp Low Control/Courtesy Lamp Switch Signal

Door Latch - Driver


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4-Way F Metri-Pack 150.2 Series Sealed Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

328

Interior Lamp Defeat Switch Signal/Interior Lamp Switch Signal

B

BK/WH

746

Right Front Door Ajar Switch Signal

C

TN

159

Key Out Ignition Switch Signal

D

BK

550

Ground

Door Latch - LR (Crew Cab)


Object Number: 38608 Size: CH

Connector Part Information
    • 15326559
    • 4-Way F Metri-Pack 150.2 Series Sealed Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

328

Interior Lamp Defeat Switch Signal/Interior Lamp Switch Signal

B-C

--

--

Not Used

D

BK

550

Ground

Door Latch - RF


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4-Way F Metri-Pack 150.2 Series Sealed Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

--

--

Not Used

C

BK/WH

746

Right Front Door Ajar Switch Signal

D

PU

328

Interior Lamp Defeat Switch Signal/Interior Lamp Switch Signal

Door Latch - RR (Crew Cab)


Object Number: 38608 Size: CH

Connector Part Information
    • 15326559
    • 4-Way F Metri-Pack 150.2 Series Sealed Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

328

Interior Lamp Defeat Switch Signal/Interior Lamp Switch Signal

B-C

--

--

Not Used

D

BK

550

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

--

--

Unavailable

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

--

--

Unavailable

G

YE

10

Headlamp Switch Signal/Headlamps Supply Voltage

H

OG

240

Battery Positive Voltage

J

--

--

Unavailable

K

--

--

Not Used

L

PU

328

Interior Lamp Defeat Switch Signal/Interior Lamp Switch Signal

M

WH

156

Courtesy Lamp Low Control/Courtesy Lamp Switch Signal

WH

156

Courtesy Lamp Low Control/Courtesy Lamp Switch Signal

N

PU/WH

1382

LED Dimming Signal

P

--

--

Unavailable

R

BK

750

Ground

S

BN

9

Park Lamp Supply Voltage

Headlamp - High Beam - Left (HPR)


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 - Left (HPR)


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/Added Headlamp Dimmer Switch Signal

C

BK

350

Battery Positive Voltage

Headlamp - Left (8D5)


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

Battery Positive Voltage

Headlamp - High Beam - Right (HPR)


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 - Right (HPR)


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/Added Headlamp Dimmer Switch Signal

C

BK

350

Battery Positive Voltage

Headlamp - Right (8D5)


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

Battery Positive Voltage

Marker Lamp Roof 1


Object Number: 410092 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Roof Clearance Lamp Switch Signal

D-GN

21

Roof Clearance Lamp Switch Signal

B

BK

750

Ground

BK

750

Ground

Marker Lamp Roof 2


Object Number: 410092 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Roof Clearance Lamp Switch Signal

D-GN

21

Roof Clearance Lamp Switch Signal

B

BK

750

Ground

BK

750

Ground

Marker Lamp Roof 3


Object Number: 410092 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Roof Clearance Lamp Switch Signal

D-GN

21

Roof Clearance Lamp Switch Signal

B

BK

750

Ground

BK

750

Ground

Marker Lamp Roof 4


Object Number: 410092 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Roof Clearance Lamp Switch Signal

D-GN

21

Roof Clearance Lamp Switch Signal

B

BK

750

Ground

BK

750

Ground

Marker Lamp Roof 5


Object Number: 410092 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

21

Roof Clearance Lamp Switch Signal

B

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/Left Rear Park Lamps and License Lamps Supply Voltage

F

--

--

Not Used

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 Status Signal

B

BK

350

Battery Positive Voltage

C

BN

2509

Left Rear Park Lamps Supply Voltage/Left Rear Park Lamps and License 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 Status Signal

B

BK

350

Battery Positive Voltage

C

BN

2509

Left Rear Park Lamps Supply Voltage/Left Rear Park Lamps and License Lamps Supply Voltage

Tail Lamps - Left


Object Number: 236398 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/Left Rear Park Lamps and License Lamps Supply Voltage

C

YE

618

Left Rear Turn Signal Lamp Supply Voltage

D

--

--

Unavailable

E

BK

350

Battery Positive Voltage

Tail Lamps - Right


Object Number: 236398 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

--

--

Unavailable

E

BK

350

Battery Positive Voltage

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 Number

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 (C7/C8)


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: 1435117 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