GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Light Sensor
Table 2: Backup Lamp - Left
Table 3: Backup Lamp - Right
Table 4: Brake Pedal Position Sensor
Table 5: Center High Mounted Stop Lamp (CHMSL)
Table 6: Courtesy/Reading Lamp - Front (TR9, CF5)
Table 7: Courtesy/Reading Lamp - Left
Table 8: Courtesy/Reading Lamp - Right
Table 9: Fog Lamp - LF
Table 10: Fog Lamp - RF
Table 11: Headlamp - High Beam - Left
Table 12: Headlamp - High Beam - Right
Table 13: Headlamp Low Beam - Left
Table 14: Headlamp Low Beam - Right
Table 15: Interior Lamp Switch
Table 16: I/P Compartment Lamp and Switch
Table 17: I/P Courtesy Lamp - Left
Table 18: I/P Courtesy Lamp - Right
Table 19: License Lamp - Left
Table 20: License Lamp - Right
Table 21: Marker Lamp - LF
Table 22: Marker Lamp - LR
Table 23: Marker Lamp - RF
Table 24: Marker Lamp - RR
Table 25: Multifunction Turn Signal Lever - C1
Table 26: Multifunction Turn Signal Lever - C2
Table 27: Multifunction Turn Signal Lever - C3
Table 28: Park/Turn Signal Lamp - LF
Table 29: Park/Turn Signal Lamp - RF
Table 30: PRNDL Lamp
Table 31: Rear Compartment Courtesy Lamp
Table 32: Sunload Sensor Assembly
Table 33: Tail Lamp - Left
Table 34: Tail Lamp - Right
Table 35: Tail/Stop and Turn Signal Lamp - Left
Table 36: Tail/Stop and Turn Signal Lamp - Right
Table 37: Vanity Mirror Lamp - Left (CF5)
Table 38: Vanity Mirror Lamp - Left (TR9)
Table 39: Vanity Mirror Lamp - Right (CF5)
Table 40: Vanity Mirror Lamp - Right (TR9)

Ambient Light Sensor


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1137

DRL Ambient Light Sensor Signal

B

BK/WH

1551

Ground

Backup Lamp - Left


Object Number: 744054  Size: CH

Connector Part Information

    • 15326291
    • 3-Way F Lamp Socket Wedge Base W3 Sealed Right Angle (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

G

BK

750

Ground

Backup Lamp - Right


Object Number: 744054  Size: CH

Connector Part Information

    • 15326291
    • 3-Way F Lamp Socket Wedge Base W3 Sealed Right Angle (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

24

Backup Lamp Supply Voltage

D-GN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

G

BK

750

Ground

BK

750

Ground

Brake Pedal Position Sensor


Object Number: 1243663  Size: CH

Connector Part Information

    • 15332132
    • 3-Way F 150 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

598

10-Volt Reference

B

L-GN

526

Stop Lamp Switch Signal

C

BK

552

Low Reference

Center High Mounted Stop Lamp (CHMSL)


Object Number: 287973  Size: CH

Connector Part Information

    • 12047782
    • 3-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

17

Stop Lamp Switch Signal

B

--

--

Not Used

C

BK

750

Ground

Courtesy/Reading Lamp - Front (TR9, CF5)


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground

C

GY/BK

690

Courtesy Lamp Supply Voltage

Courtesy/Reading Lamp - Left


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp (TR9, CF5)

B

BK

750

Ground

C

GY/BK

690

Courtesy Lamp Supply Voltage

Courtesy/Reading Lamp - Right


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp (TR9, CF5)

B

BK

750

Ground

C

GY/BK

690

Courtesy Lamp Supply Voltage

Fog Lamp - LF


Object Number: 808661  Size: CH

Connector Part Information

    • 12124819
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamps Supply Voltage

B

BK

1250

Ground

Fog Lamp - RF


Object Number: 808661  Size: CH

Connector Part Information

    • 12124819
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamps Supply Voltage

B

BK

1250

Ground

Headlamp - High Beam - Left


Object Number: 684797  Size: CH

Connector Part Information

    • 12059183
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

711

Left Headlamp High Beam Supply Voltage

B

BK

1350

Ground

Headlamp - High Beam - Right


Object Number: 684797  Size: CH

Connector Part Information

    • 12059183
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

311

Right Headlamp High Beam Supply Voltage

B

BK

1250

Ground

Headlamp Low Beam - Left


Object Number: 684796  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series, Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

712

Left Headlamp Low Beam Supply Voltage

B

BK

1350

Ground

Headlamp Low Beam - Right


Object Number: 684796  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series, Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

312

Right Headlamp Low Beam Supply Voltage

B

BK

1250

Ground

Interior Lamp Switch


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5

RD/WH

812

I/P Dimming Voltage Reference

6-7

--

--

Not Used

8

PK

1444

I/P Dimming Control

9

PK/BK

1597

Courtesy Lamps Switch On Signal

10

BN/WH

230

I/P Dimming Return

I/P Compartment Lamp and Switch


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy lamp

B

BK

150

Ground

I/P Courtesy Lamp - Left


Object Number: 365949  Size: CH

Connector Part Information

    • 12084388
    • 2-Way F Bulb Base Type W-2, Axial (BK)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

690

Courtesy Lamp Supply Voltage

B

BK

150

Ground

I/P Courtesy Lamp - Right


Object Number: 365949  Size: CH

Connector Part Information

    • 12084388
    • 2-Way F Bulb Base Type W-2, Axial (BK)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

690

Courtesy Lamp Supply Voltage

B

BK

150

Ground

License Lamp - Left


Object Number: 287969  Size: CH

Connector Part Information

    • 12162084
    • 2-Way F Lamp Socket Components, Bulb Bases, Type W-2, Axial (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

750

Ground

BK

750

Ground

License Lamp - Right


Object Number: 287969  Size: CH

Connector Part Information

    • 12162084
    • 2-Way F Lamp Socket Components, Bulb Bases, Type W-2, Axial (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

BK

750

Ground

BK

750

Ground

Marker Lamp - LF


Object Number: 130733  Size: CH

Connector Part Information

    • 12146418
    • 2-Way F Lamp Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

1350

Ground

BK

1350

Ground

Marker Lamp - LR


Object Number: 1199757  Size: CH

Connector Part Information

    • 15317651
    • 2-Way F Lamp Socket Bulb Base Type W-2, Axial (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

550

Ground

Marker Lamp - RF


Object Number: 130733  Size: CH

Connector Part Information

    • 12146418
    • 2-Way F Lamp Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

1250

Ground

BK

1250

Ground

Marker Lamp - RR


Object Number: 1199757  Size: CH

Connector Part Information

    • 15317651
    • 2-Way F Lamp Socket Bulb Base Type W-2, Axial (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

750

Ground

Multifunction Turn Signal Lever - C1


Object Number: 39746  Size: CH

Connector Part Information

    • 12064862
    • 8-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK/WH

1551

Ground

B

D-BU/WH

1415

Right Turn Signal Switch Signal

C

L-BU/WH

1414

Left Turn Signal Switch Signal

D-F

--

--

Not Used

G

BN

738

Horn Switch Signal

H

TN

2144

Hazard Switch Signal

Multifunction Turn Signal Lever - C2


Object Number: 811190  Size: CH

Connector Part Information

    • 15339058
    • 7-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

G-H

--

--

Not Used

J

OG

192

Front Fog Lamp Switch Signal

K

BK/WH

1551

Ground

L

WH

103

Headlamp Switch Headlamps On Signal

M

BN/WH

301

Park Lamp Switch On Signal

N

L-BU

1872

Exterior Lamps Off Input

Multifunction Turn Signal Lever - C3


Object Number: 130718  Size: CH

Connector Part Information

    • 12059800
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1356

Flash To Pass Switch Signal

B-C

--

--

Not Used

D

BK/WH

1551

Ground

E

PU

524

Headlamp Dimmer Switch High Beam Signal

Park/Turn Signal Lamp - LF


Object Number: 898467  Size: CH

Connector Part Information

    • 7900-1493-000
    • 3-Way F Osram Sylvania USCAR (Side Latch) (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

2

BN

9

Park Lamp Supply Voltage

3

BK

1250

Ground

Park/Turn Signal Lamp - RF


Object Number: 898467  Size: CH

Connector Part Information

    • 7900-1493-000
    • 3-Way F Osram Sylvania USCAR (Side Latch) (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU/WH

1314

Right Front Turn Signal Lamp Supply Voltage

2

BN

9

Park Lamp Supply Voltage

3

BK

1250

Ground

PRNDL Lamp


Object Number: 810080  Size: CH

Connector Part Information

    • 12162083
    • 2-Way F Lamp Socket Bulb Base Type W-2 Axial (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

8

Instrument Panel Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Rear Compartment Courtesy Lamp


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

OG/BK

737

Rear Compartment Lamp Control

Sunload Sensor Assembly


Object Number: 130637  Size: CH

Connector Part Information

    • 12064760
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

590

Driver Sunload Sensor Signal

B

GY

1548

Passenger Sunload Sensor Signal

C

BK/WH

1551

Ground

D

L-GN/BK

1137

DRL Ambient Light Sensor Signal

Tail Lamp - Left


Object Number: 744054  Size: CH

Connector Part Information

    • 15326291
    • 3-Way F Lamp Socket Wedge Base W3 Sealed Right Angle (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

--

--

Not Used

G

BK

550

Ground

BK

550

Ground

Tail Lamp - Right


Object Number: 744054  Size: CH

Connector Part Information

    • 15326291
    • 3-Way F Lamp Socket Wedge Base W3 Sealed Right Angle (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

--

--

Not Used

G

BK

750

Ground

BK

750

Ground

Tail/Stop and Turn Signal Lamp - Left


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way F Lamp Socket Wedge Base W3 Right Angle (L-GY)

Pin

Wire Color

Circuit No.

Function

A

YE

18

Left Rear Stop/Turn Lamp Supply Voltage

B

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

G

BK

550

Ground

BK

550

Ground

Tail/Stop and Turn Signal Lamp - Right


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way F Lamp Socket Wedge Base W3 Right Angle (L-GY)

Pin

Wire Color

Circuit No.

Function

A

YE

19

Right Rear Stop/Turn Lamp Supply Voltage

B

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

G

BK

750

Ground

BK

750

Ground

Vanity Mirror Lamp - Left (CF5)


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground

Vanity Mirror Lamp - Left (TR9)


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground

Vanity Mirror Lamp - Right (CF5)


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground

Vanity Mirror Lamp - Right (TR9)


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground