GM Service Manual Online
For 1990-2009 cars only
Table 1: Backup Lamps
Table 2: Center High Mounted Stop Lamp (CHMSL)
Table 3: Dome Lamp - Rear
Table 4: Hazard Switch
Table 5: Headlamp Assembly - Left (w/o HID)
Table 6: Headlamp Assembly - Left (w/ HID)
Table 7: Headlamp Assembly - Right (w/o HID)
Table 8: Headlamp Assembly - Right (w/ HID)
Table 9: Headlamp Leveling Sensor - Front (Export w/TR7)
Table 10: Headlamp Leveling Sensor - Rear (Export w/TR7)
Table 11: Headlamp Switch C1
Table 12: Headlamp Switch C1 ( RHD )
Table 13: Headlamp Switch C2
Table 14: Headlamp Switch C2 ( RHD )
Table 15: Headlamp Switch C3
Table 16: Headlamp Switch C3 ( RHD )
Table 17: Exterior Courtesy Lamp - LF
Table 18: Exterior Courtesy Lamp - RF
Table 19: Fog Lamps - Rear
Table 20: Foot Well Courtesy Lamp - Left
Table 21: Foot Well Courtesy Lamp - Right
Table 22: License Lamps
Table 23: Marker Lamp - LF
Table 24: Marker Lamp - LR
Table 25: Marker Lamp - RF
Table 26: Marker Lamp - RR
Table 27: Overhead Console Courtesy Lamp
Table 28: Rear Compartment Lamp
Table 29: Repeater Lamp - Left (Export)
Table 30: Repeater Lamp - Right (Export)
Table 31: Stoplamp Switch
Table 32: Tail/Stop Lamp - Left Rear
Table 33: Tail/Stop Lamp - Right Rear
Table 34: Turn Signal Lamp - LR
Table 35: Turn Signal Lamp - RR
Table 36: Turn Signal/Fog Lamp - LF
Table 37: Turn Signal/Fog Lamp - RF
Table 38: Turn Signal Switch
Table 39: Vanity Lamp - Left
Table 40: Vanity Lamp - Right

Backup Lamps


Object Number: 82372  Size: CH

Connector Part Information\

    • 15324350
    • 2-Way Lamp Socket Wedge Base W3 (GY)

Pin

Wire Color

Circuit Number

Function

A

L-GN

24

Backup Lamp Supply Voltage

G

BK

850

Ground

Center High Mounted Stop Lamp (CHMSL)


Object Number: 333041  Size: CH

Connector Part Information

    • 12162000
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

WH

17

Stop Lamp Switch Signal

B

BK

850

Ground

Dome Lamp - Rear


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-BU/WH

149

Courtesy Lamp Supply Voltage

B

GY

157

Courtesy Lamp Control

Hazard Switch


Object Number: 814536  Size: CH

Connector Part Information

    • 174966-2
    • 4-Way F Multi-Lock (BK)

Pin

Wire Color

Circuit Number

Function

1

L-BU

1717

Hazard Switch - Output - Turn Flasher

2

BK

350

Ground

3

YE

1491

Backlight Lamps Control

4

L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

Headlamp Assembly - Left (w/o HID)


Object Number: 813076  Size: CH

Connector Part Information

    • PE062611
    • 12-Way F 150/280 Series GT (BK)

Pin

Wire Color

Circuit Number

Function

A

D-GN/WH

711

Left Headlamp High Beam Supply Voltage

B

YE

712

Left Headlamp Low Beam Supply Voltage

C

PU

709

Left Park Lamp Supply Voltage

D

BK

250

Ground

E-M

--

--

Not Used

Headlamp Assembly - Left (w/ HID)


Object Number: 813073  Size: CH

Connector Part Information

    • PE082111
    • 12-Way F 150/280 Series GT (BK)

Pin

Wire Color

Circuit Number

Function

A

YE

712

Left Headlamp Low Beam Supply Voltage

B

D-GN/WH

711

Left Headlamp High Beam Supply Voltage

C

PU

709

Left Park Lamp Supply Voltage

D

BK

250

Ground

E

BK

250

Ground

F-M

--

--

Not Used

Headlamp Assembly - Right (w/o HID)


Object Number: 813076  Size: CH

Connector Part Information

    • PE062611
    • 12-Way F 150/280 Series GT (BK)

Pin

Wire Color

Circuit Number

Function

A

L-GN/BK

311

Right Headlamp High Beam Supply Voltage

B

TN/WH

312

Right Headlamp Low Beam Supply Voltage

C

BN/WH

309

Right Park Lamp Supply Voltage

D

BK

250

Ground

E-M

--

--

Not Used

Headlamp Assembly - Right (w/ HID)


Object Number: 813073  Size: CH

Connector Part Information

    • PEO82111
    • 12-Way F 150/280 Series GT (BK)

Pin

Wire Color

Circuit Number

Function

A

TN/WH

312

Right Headlamp Low Beam Supply Voltage

B

L-GN/BK

311

Right Headlamp High Beam Supply Voltage

C

BN/WH

309

Right Park Lamp Supply Voltage

D

BK

250

Ground

E

BK

250

Ground

Headlamp Leveling Sensor - Front (Export w/TR7)


Object Number: 816178  Size: CH

Connector Part Information

    • 1-967616-1
    • 6-Way F MQS Socket Housing

Pin

Wire Color

Circuit Number

Function

1

BK

250

Ground

2

BK

250

Ground

3

--

--

Not Used

4

GY

868

Headlamp Leveling Switch Bit 1 Signal

5

BN

341

Ignition 3 Voltage

6

BK

250

Ground

Headlamp Leveling Sensor - Rear (Export w/TR7)


Object Number: 684807  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

BN

341

Ignition 3 Voltage

B

GY

868

Headlamp Leveling Switch Bit 1 Signal

C

BK

850

Ground


Headlamp Switch C1


Object Number: 811190  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

G

--

--

Not Used

H

L-BU

187

Rear Fog Lamp Switch Signal

J

OG

192

Front Fog Lamp Switch Signal

K

BK

350

Ground

L

WH

103

Headlamp Switch Headlamps On Signal

M

BN/WH

301

Rear Park Lamps Supply Voltage/Park Lamp Switch On Signal

N

PU

1783

Twilight Sentinel Delay Signal


Headlamp Switch C1 ( RHD )


Object Number: 811190  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

G

PU

1783

Twilight Sentinel Delay Signal

H

BN/WH

301

Rear Park Lamps Supply Voltage/Park Lamp Switch On Signal

J

WH

103

Headlamp Switch Headlamps On Signal

K

BK

350

Ground

L

OG

192

Front Fog Lamp Switch Signal/Fog Lamps Enable

M

L-BU

187

Rear Fog Lamp Switch Signal

N

--

--

Not Used


Headlamp Switch C2


Object Number: 130718  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

BN

1356

Flash To Pass Switch Signal

B

BK

350

Ground

C

L-BU

1485

Headlamp Control

D

--

--

Not Used

E

TN/WH

1969

Headlamp Relay Control/Headlamp High Beam Relay Control


Headlamp Switch C2 ( RHD )


Object Number: 130718  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

TN/WH

1969

Headlamp Relay Control/Headlamp High Beam Relay Control

B

--

--

Not Used

C

L-BU

1485

Headlamp Control

D

BN

1356

Flash To Pass Switch Signal

E

BK

350

Ground


Headlamp Switch C3


Object Number: 39746  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-GN/WH

1419

Right Rear Turn Signal Switch Signal

B

--

--

Not Used

C

BK

350

Ground

D

YE/BK

1418

Left Rear Turn Signal Switch Signal

E

--

--

Not Used

F

L-BU/WH

1414

Left Front Turn Signal Switch Signal/Left Turn Signal Switch Signal

G

PK

339

Ignition 1 Voltage

H

D-BU/WH

1415

Right Front Turn Signal Switch Signal/Right Turn Signal Switch Signal


Headlamp Switch C3 ( RHD )


Object Number: 39746  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

L-BU/WH

1414

Left Front Turn Signal Switch Signal/Left Turn Signal Switch Signal

B

PK

339

Ignition 1 Voltage

C

D-GN/WH

1419

Right Rear Turn Signal Switch Signal

D

D-BU/WH

1415

Right Front Turn Signal Switch Signal/Right Turn Signal Switch Signal

E - F

--

--

Not Used

G

BK

350

Ground

H

YE/BK

1418

Left Rear Turn Signal Switch Signal

Exterior Courtesy Lamp - LF


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-BU/WH

149

Courtesy Lamp Supply Voltage

B

GY

157

Courtesy Lamp Control

Exterior Courtesy Lamp - RF


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-BU/WH

149

Courtesy Lamp Supply Voltage

B

GY

157

Courtesy Lamp Control

Fog Lamps - Rear


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way Lamp Socket Wedge Base W3 (NA)

Pin

Wire Color

Circuit Number

Function

A

RD

122

Rear Fog Lamps Supply Voltage

B

--

--

Not Used

G

BK

850

Ground

Foot Well Courtesy Lamp - Left


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-BU/WH

149

Courtesy Lamp Supply Voltage

B

GY

157

Courtesy Lamp Control

Foot Well Courtesy Lamp - Right


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2-Way F Metri-Pack 150 Series (BU)

Pin

Wire Color

Circuit Number

Function

A

D-BU/WH

149

Courtesy Lamp Supply Voltage

B

GY

157

Courtesy Lamp Control

License Lamps


Object Number: 130733  Size: CH

Connector Part Information

    • 12146418
    • 2-Way Lamp Socket (GY)

Pin

Wire Color

Circuit Number

Function

A

YE

32

Park Lamps Supply Voltage

G

BK

850

Ground

Marker Lamp - LF


Object Number: 813077  Size: CH

Connector Part Information

    • E5229
    • 2-Way F (GY)

Pin

Wire Color

Circuit Number

Function

1

PU

709

Left Park Lamp Supply Voltage

2

BK

250

Ground

Marker Lamp - LR


Object Number: 287977  Size: CH

Connector Part Information

    • 15317651
    • 2-Way F (GY)

Pin

Wire Color

Circuit Number

Function

A

PU

1472

Left Park Lamp Supply Voltage (Export)

A

PU

709

Left Park Lamp Supply Voltage (Domestic)

B

BK

850

Ground

Marker Lamp - RF


Object Number: 813077  Size: CH

Connector Part Information

    • E5229
    • 2-Way F (GY)

Pin

Wire Color

Circuit Number

Function

1

BN/WH

309

Right Park Lamp Supply Voltage

2

BK

250

Ground

Marker Lamp - RR


Object Number: 287977  Size: CH

Connector Part Information

    • 15317651
    • 2-Way F (GY)

Pin

Wire Color

Circuit Number

Function

A

BN/WH

1473

Right Park Lamp Supply Voltage (Export)

A

BN/WH

309

Right Park Lamp Supply Voltage (Domestic)

B

BK

850

Ground

Overhead Console Courtesy Lamp


Object Number: 813070  Size: CH

Connector Part Information

    • 15975081
    • 8-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

GY

157

Courtesy Lamp Control

2

BK

850

Ground

3

D-BU/WH

149

Courtesy Lamp Supply Voltage

4

YE

1491

Backlight Lamps Control

5

PK

1597

Courtesy Lamps Switch On Signal

6

L-BU/BK

1688

5 Volt Reference

7

YE

5005

Instrument Panel Lamps Dimmer Switch Low Reference

8

D-GN

44

Instrument Panel Lamps Dimmer Switch Signal

Rear Compartment Lamp


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

--

--

Not Used

B

OG/BK

737

Rear Compartment Lamp Control

C

RD/WH

149

Courtesy Lamp Supply Voltage

Repeater Lamp - Left (Export)


Object Number: 781760  Size: CH

Connector Part Information

    • 12015792
    • 2-Way F Weather-Pack (BK)

Pin

Wire Color

Circuit Number

Function

A

L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

B

BK

250

Ground

Repeater Lamp - Right (Export)


Object Number: 781760  Size: CH

Connector Part Information

    • 12015792
    • 2-Way F Weather-Pack (BK)

Pin

Wire Color

Circuit Number

Function

A

D-BU/WH

1315

Right Front Turn Signal Lamp Supply Voltage

B

BK

250

Ground


Stoplamp Switch


Object Number: 73251  Size: CH

Connector Part Information

    • 12033701
    • 2-Way F Metri-Pack 480 Series (GY)

Pin

Wire Color

Circuit Number

Function

A

RD/WH

1640

Battery Positive Voltage

B

WH

17

Stop Lamp Switch Signal

Tail/Stop Lamp - Left Rear


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way Lamp Socket Wedge Base W3 (NA)

Pin

Wire Color

Circuit Number

Function

A

WH

17

Stop Lamp Switch Signal

B

PU

1472

Left Park Lamp Supply Voltage (Export)

B

PU

709

Left Park Lamp Supply Voltage (Domestic)

G

BK

850

Ground

Tail/Stop Lamp - Right Rear


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way Lamp Socket Wedge Base W3 (NA)

Pin

Wire Color

Circuit Number

Function

A

WH

17

Stop Lamp Switch Signal

B

BN/WH

1473

Right Park Lamp Supply Voltage (Export)

B

BN/WH

309

Right Park Lamp Supply Voltage (Domestic)

G

BK

850

Ground

Turn Signal Lamp - LR


Object Number: 524649  Size: CH

Connector Part Information

    • 15354859
    • 2-Way F Lamp Socket BB W-3 (NA)

Pin

Wire Color

Circuit Number

Function

A

L-BU/WH

1314

Left Turn Signal Lamp Supply Voltage

G

BK

850

Ground

Turn Signal Lamp - RR


Object Number: 524649  Size: CH

Connector Part Information

    • 15354859
    • 2-Way F Lamp Socket BB W-3 (NA)

Pin

Wire Color

Circuit Number

Function

A

L-BU/WH

1315

Right Turn Signal Lamp Supply Voltage

G

BK

850

Ground

Turn Signal/Fog Lamp - LF


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

PU

2234

Front Fog Lamp Supply Voltage

B

D-BU

5364

Left Front Turn/DRL Output (Domestic)

L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage (Export)

C

BK

250

Ground

D

BK

250

Ground

Turn Signal/Fog Lamp - RF


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

PU

2234

Front Fog Lamp Supply Voltage

B

D-GN

5365

Right Front Turn Signal/DRL Output (Domestic)

D-BU/WH

1315

Right Front Turn Signal Lamp Supply Voltage (Export)

C

BK

250

Ground

D

BK

250

Ground


Turn Signal Switch


Object Number: 39746  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

D-GN/WH

1419

Right Rear Turn Signal Switch Signal

B

--

--

Not Used

C

BK

350

Ground

D

YE/BK

1418

Left Rear Turn Signal Switch Signal

E

--

--

Not Used

F

L-BU/WH

1414

Left Front Turn Signal Switch Signal/Left Turn Signal Switch Signal

G

PK

339

Ignition 1 Voltage

H

D-BU/WH

1415

Right Front Turn Signal Switch Signal/Right Turn Signal Switch Signal

Vanity Lamp - Left


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

BK

850

Ground

B

D-BU/WH

149

Courtesy Lamp Supply Voltage

C

RD/WH

3640

Battery Positive Voltage

Vanity Lamp - Right


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

BK

850

Ground

B

D-BU/WH

149

Courtesy Lamp Supply Voltage

C

--

--

Not Used