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: Center High Mounted Stop Lamp (CHMSL) (w/D81)
Table 5: Center High Mounted Stop Lamp (CHMSL) (w/o D81)
Table 6: Dimmer Switch
Table 7: Door Lock - Driver C1
Table 8: Door Lock - Front Passenger C1
Table 9: Door Lock - LR C1
Table 10: Door Lock - RR C1
Table 11: Fog Lamp - LF
Table 12: Fog Lamp - RF
Table 13: Fog Lamp Switch
Table 14: Footwell Courtesy Lamp - Left
Table 15: Footwell Courtesy Lamp - Right
Table 16: Hazard Switch
Table 17: Headlamp - Left
Table 18: Headlamp - Right
Table 19: Headlamp Relay
Table 20: I/P Compartment Lamp and Switch
Table 21: Ignition Switch Lamp
Table 22: License Lamp-Left
Table 23: License Lamp-Right
Table 24: Marker Lamp-LR
Table 25: Marker Lamp-RR
Table 26: Park Lamp Relay
Table 27: PRNDL Lamp
Table 28: Rear Compartment Courtesy Lamp
Table 29: Rear Compartment Lid Ajar Switch
Table 30: Roof Rail Courtesy/Reading Lamp - Left
Table 31: Roof Rail Courtesy/Reading Lamp - Right
Table 32: Stop Lamp Switch C1
Table 33: Stop Lamp Switch C2
Table 34: Tail/Stop Lamp-Left
Table 35: Tail/Stop Lamp-Right
Table 36: Turn Signal Lamp-LR
Table 37: Turn Signal Lamp-RR
Table 38: Vanity Mirror Lamp - Left
Table 39: Vanity Mirror Lamp - Right

Ambient Light Sensor


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

1138

DRL Ambient Light Sensor Low Reference

B

LT GRN/

BLK

1137

DRL Ambient Light Sensor Signal

Backup Lamp-Left


Object Number: 82372  Size: CH

Connector Part Information

    • 12160393
    • Type W-3 Right Angle Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Bakeup Lamp Supply Voltage

G

BLK

750

Ground

Backup Lamp-Right


Object Number: 82372  Size: CH

Connector Part Information

    • 12160393
    • Type W-3 Right Angle Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Bakeup Lamp Supply Voltage

G

BLK

350

Ground

Center High Mounted Stop Lamp (CHMSL) (w/D81)


Object Number: 320526  Size: CH

Connector Part Information

    • 12052907
    • 2-Way M Tri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

BLK

350

Ground

Center High Mounted Stop Lamp (CHMSL) (w/o D81)


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2-Way F Tri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

BLK

350

Ground

Dimmer Switch


Object Number: 73231  Size: CH

Connector Part Information

    • 12064860
    • 6-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Ground

B

BRN/WHT

230

Instrument Panel Lamps Dimming Control

C

GRY

8

Instrument Panel Lamp Supply Voltage

D

YEL

32

Instrument Panel Lamp Fuse Supply Voltage-1

E

DK BLU/

WHT

1495

Courtesy Lamps On Signal

F

GRY/BLK

308

Park Lamp Switch On Signal

Door Lock - Driver C1


Object Number: 655858  Size: CH

Connector Part Information

    • 15336846
    • 4-Way F GT 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/

BLK

394

Front Door Handle Switch Signal

B

--

--

Not Used

C

DK BLU

49

Driver Door Open Switch Signal

D

BLK

750

Ground

Door Lock - Front Passenger C1


Object Number: 655861  Size: CH

Connector Part Information

    • 15336864
    • 4-Way F GT 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

750

Ground

B

DK BLU/

WHT

727

Door Ajar Switch Signal

C

--

--

Not Used

D

LT GRN/

BLK

394

Front Door Handle Switch Signal

Door Lock - LR C1


Object Number: 655858  Size: CH

Connector Part Information

    • 15336846
    • 4-Way F GT 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

DK BLU/

WHT

727

Door Ajar Switch Signal

D

BLK

750

Ground

Door Lock - RR C1


Object Number: 655861  Size: CH

Connector Part Information

    • 15336864
    • 4-Way F 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

750

Ground

B

DK BLU/

WHT

727

Door Ajar Switch Signal

C-D

--

--

Not Used

Fog Lamp - LF


Object Number: 646148  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

34

Fog Lamps Supply Voltage

B

BLK

1250

Ground

Fog Lamp - RF


Object Number: 646148  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

34

Fog Lamps Supply Voltage

B

BLK

1250

Ground

Fog Lamp Switch


Object Number: 40422  Size: CH

Connector Part Information

    • 12064762
    • 6-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

8

Instrument Panel Lamp Supply Voltage

B

--

--

Not Used

C

BLK

1750

Ground

D

ORN

192

Fog Lamp Enable

E

DK GRN/

WHT

1317

Fog Lamp Relay Control

F

PPL

34

Fog Lamps Supply Voltage

Footwell Courtesy Lamp - Left


Object Number: 407137  Size: CH

Connector Part Information

    • 12162711
    • 2-Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

GRY

157

Courtesy Lamp Control

Footwell Courtesy Lamp - Right


Object Number: 407137  Size: CH

Connector Part Information

    • 12162711
    • 2-Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

GRY

157

Courtesy Lamp Control

Hazard Switch


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10-Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Ground

B

ORN

1840

Battery Positive Voltage

C

PNK

539

Ignition 1 Voltage

D

--

--

Not Used

E

GRY

8

Instrument Panel Lamp Supply Voltage

F

LT BLU/

WHT

1414

Left Turn Signal Switch Signal

G

DK BLU/

WHT

1415

Right Turn Signal Switch Signal

H

PPL

16

Turn Signal Flasher Signal

J-K

--

--

Not Used

Headlamp - Left


Object Number: 570216  Size: CH

Connector Part Information

    • 12065425
    • 10-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1250

Ground

B

BRN

9

Park Lamp Supply Voltage

C

--

--

Not Used

D

LT BLU

14

Left Turn Signal Lamps Supply Voltage

E

BRN

9

Park Lamp Supply Voltage

F

ORN

1640

Battery Positive Voltage

G

PNK

1200

Headlamp High Beam Signal

H

ORN/BLK

1640

Battery Positive Voltage

J

DK BLU

1201

Headlamp Low Beam Signal

K

ORN

57

Left Cornering Lamp Supply Voltage

Headlamp - Right


Object Number: 570216  Size: CH

Connector PartInformation

    • 12065425
    • 10-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1250

Ground

B

BRN

9

Park Lamp Supply Voltage

C

--

--

Not Used

D

DK BLU

15

Right Turn Signal Lamps Supply Voltage

E

BRN

9

Park Lamp Supply Voltage

F

ORN

1740

Battery Positive Voltage

G

PNK/BLK

1200

Headlamp High Beam Signal

H

ORN/BLK

1740

Battery Positive Voltage

J

DK BLU/WHT

1201

Headlamp Low Beam Signal

K

BLK

58

Right Cornering Lamp Supply Voltage

Headlamp Relay


Object Number: 309518  Size: CH

Connector Part Information

    • 12129715
    • 6-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1340

Battery Positive Voltage

A2

BLK

1750

Ground

B1-B2

--

--

Not Used

C1

YEL

10

Headlamp Switch Signal

C2

PNK/WHT

1970

Headlamp Low Beam Relay Control

I/P Compartment Lamp and Switch


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

BLK

1450

Ground

Ignition Switch Lamp


Object Number: 309447  Size: CH

Connector Part Information

    • 12110569
    • 2-Way Lamp Socket Mini Type W1 (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

GRY

157

Courtesy Lamp Control

License Lamp-Left


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

301

Park Lamp Switch On Signal

B

BLK

350

Ground

License Lamp-Right


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

301

Park Lamp Switch On Signal

B

BLK

350

Ground

Marker Lamp-LR


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • Type W-2 Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

301

Rear Park Lamp Supply Voltage

B

BLK

750

Ground

Marker Lamp-RR


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • Type W-2 Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

301

Rear Park Lamp Supply Voltage

B

BLK

350

Ground

Park Lamp Relay


Object Number: 309518  Size: CH

Connector Part Information

    • 12129715
    • 6-Way Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1340

Battery Positive Voltage

A2

LT BLU

74

Park Lamp Switch Signal

B1-B2

--

--

Not Used

C1

ORN

1340

Battery Positive Voltage

C2

WHT

1080

Park Lamp Relay Control

PRNDL Lamp


Object Number: 407137  Size: CH

Connector Part Information

    • 12162711
    • 2-Way Lamp Socket W-2 Axial (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

8

Instrument Panel Lamp Supply Voltage

B

BLK

1450

Ground

Rear Compartment Courtesy Lamp


Object Number: 387544  Size: CH

Connector Part Information

    • 12124652
    • 2-Way Lamp Socket Mini Type W2 (CLR)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

ORN/BLK

737

Rear Compartment Lamp Control

Rear Compartment Lid Ajar Switch


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground

B

ORN/BLK

737

Rear Compartment Lamp Control

C

--

--

Not Used

Roof Rail Courtesy/Reading Lamp - Left


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

GRY

157

Courtesy Lamp Control

B

BLK

850

Ground

C

ORN

1732

Courtesy Lamps Supply Voltage

Roof Rail Courtesy/Reading Lamp - Right


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

157

Courtesy Lamp Control

B

BLK

850

Ground

C

ORN

1732

Courtesy Lamp Supply Voltage

Stop Lamp Switch C1


Object Number: 73251  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

140

Battery Positive Voltage

B

WHT

17

Stop Lamp Switch Signal

Stop Lamp Switch C2


Object Number: 40397  Size: CH

Connector Part Information

    • 12033706
    • 4-Way F Metri-Pack 280 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

PNK

1439

Ignition 1 Voltage

B

DK GRN/

WHT

1135

A/T Shift Lock Control Solenoid Supply Voltage

C

PNK

339

Ignition 1 Voltage

D

PPL

420

TCC Brake Switch Signal

Tail/Stop Lamp-Left


Object Number: 95769  Size: CH

Connector Part Information

    • 12160395
    • Type W-3 Right Angle Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

BRN/WHT

301

Rear Park Lamps Supply Voltage

G

BLK

750

Ground

Tail/Stop Lamp-Right


Object Number: 95769  Size: CH

Connector Part Information

    • 12160395
    • Type W-3 Right Angle Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

BRN/WHT

301

Rear Park Lamp Supply Voltage

G

BLK

350

Ground

Turn Signal Lamp-LR


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • Type W-3 Right Angle Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLU/WHT

1414

Left Turn Signal Switch Signal

B

--

--

Not Used

G

BLK

750

Ground

Turn Signal Lamp-RR


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • Type W-3 Right Angle Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLU/WHT

1414

Left Turn Signal Switch Signal

B

--

--

Not Used

G

BLK

350

Ground

Vanity Mirror Lamp - Left


Object Number: 523637  Size: CH

Connector Part Information

    • 12162486
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN

1732

Courtesy Lamps Supply Voltage

2

BLK

850

Ground

Vanity Mirror Lamp - Right


Object Number: 523637  Size: CH

Connector Part Information

    • 12162486
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN

1732

Courtesy Lamps Supply Voltage

2

BLK

850

Ground