GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Light Sensor
Table 2: Automatic Transmission (A/T) Shift Indicator Lamp
Table 3: Center High Mounted Stop Lamp C1
Table 4: Center High Mounted Stop Lamp C2
Table 5: Courtesy Lamp - Left
Table 6: Courtesy Lamp - Right
Table 7: Daytime Running Lamps (DRL) Resistor
Table 8: Door Ajar Switch -- Driver
Table 9: Door Ajar Switch -- Front Passenger
Table 10: Door Ajar Switch -- LR
Table 11: Door Ajar Switch -- RR
Table 12: Dome Lamp
Table 13: Fog Lamp - LF
Table 14: Fog Lamp - RF
Table 15: Fog Lamp Switch
Table 16: Hazard Switch
Table 17: Headlamp - High Beam - Left
Table 18: Headlamp - High Beam - Right
Table 19: Headlamp - Low Beam - Left
Table 20: Headlamp - Low Beam - Right
Table 21: Instrument Panel Compartment Lamp/Switch
Table 22: IP Dimming Module
Table 23: IP Dimmer Switch
Table 24: License Lamp
Table 25: Marker Lamp - LF
Table 26: Marker Lamp - RF
Table 27: Park/Turn Signal Lamp - LF
Table 28: Park/Turn Signal Lamp - RF
Table 29: Rear Compartment Courtesy Lamp
Table 30: Rear View Mirror Reading Lamps
Table 31: Stop Lamp Switch C1
Table 32: Stop Lamp Switch C2
Table 33: Tail/Stop and Turn Signal Lamp - Left
Table 34: Tail/Stop and Turn Signal Lamp - Right
Table 35: Turn Signal/Multifunction Switch C1
Table 36: Turn Signal/Multifunction Switch C2
Table 37: Turn Signal/Multifunction Switch C3
Table 38: 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

CKT No.

Function

A

LT GRN/

BLK

1137

DRL Ambient Light Sensor Signal

B

YEL/BLK

1138

DRL Ambient Light Sensor Low Reference

Automatic Transmission (A/T) Shift Indicator Lamp


Object Number: 810080  Size: CH

Connector Part Information

    • 12162083
    • 2-Way Lamp Socket Axial W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

GRY

8

Instrument Panel Lamps Supply Voltage-1

B

BLK

150

Ground

Center High Mounted Stop Lamp C1


Object Number: 287969  Size: CH

Connector Part Information

    • 12162082
    • Lamp Socket Wedge Base W2 (NAT)

Pin

Wire Color

CKT No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BLK

750

Ground

Center High Mounted Stop Lamp C2


Object Number: 287969  Size: CH

Connector Part Information

    • 12162082
    • Lamp Socket Wedge Base W2 (NAT)

Pin

Wire Color

CKT No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BLK

850

Ground

Courtesy Lamp - Left


Object Number: 287969  Size: CH

Connector Part Information

    • 12186477
    • 2-Way Lamp Socket Axial W2 (BRN)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

WHT

156

Courtesy Lamp Low Control

Courtesy Lamp - Right


Object Number: 287969  Size: CH

Connector Part Information

    • 12186477
    • 2-Way Lamp Socket Axial W2 (BRN)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

WHT

156

Courtesy Lamp Low Control

Daytime Running Lamps (DRL) Resistor


Object Number: 68721  Size: CH

Connector Part Information

    • 15300027
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

GRY

589

DRL Resistor Supply Voltage

B

BLK

1350

Ground

Door Ajar Switch -- Driver


Object Number: 655858  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

BLK

650

Ground

C

--

--

Not Used

D

LT GRN/BLK

394

Driver Door Ajar Switch Signal

Door Ajar Switch -- Front Passenger


Object Number: 655858  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

LT BLU

395

Not Used

B

--

--

Not Used

C

BLK

650

Ground

D

--

--

Not Used

Door Ajar Switch -- LR


Object Number: 655858  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

LT BLU

395

Not Used

C

--

--

Not Used

D

BLK

650

Ground

Door Ajar Switch -- RR


Object Number: 655858  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

BLK

650

Ground

B

--

--

Not Used

C

LT BLU

395

Not Used

D

--

--

Not Used

Dome Lamp


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

WHT

156

Courtesy Lamp Low Control

B

BLK

750

Ground

C

ORN

1732

Courtesy Lamps Supply Voltage

Fog Lamp - LF


Object Number: 35430  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

PPL

34

Fog Lamps Supply Voltage

B

BLK

1350

Ground

Fog Lamp - RF


Object Number: 35430  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

PPL

34

Fog Lamps Supply Voltage

B

BLK

1350

Ground

Fog Lamp Switch


Object Number: 39660  Size: CH

Connector Part Information

    • 12047785
    • 4-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

BLK/WHT

151

Ground

B

GRY

8

Instrument Panel Lamp Supply Voltage-1

C

PPL

34

Fog Lamp Supply Voltage

D

ORN

192

Front Fog Lamp Switch Signal

Hazard Switch


Object Number: 62464  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

BLK

150

Ground

B

ORN

1140

Battery Positive Voltage

C

PNK

739

Ignition 1 Voltage

D

--

--

Not Used

E

GRY

8

Instrument Panel Lamp Supply Voltage-1

F

LT BLU

14

Left Turn Signal Lamps Supply Voltage

G

DK BLU

15

Right Turn Signal Lamps Supply Voltage

H-J

--

--

Not Used

K

PPL

16

Turn Signal Flasher Signal

Headlamp - High Beam - Left


Object Number: 684797  Size: CH

Connector Part Information

    • 12059183
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

740

Battery Positive Voltage

B

PNK

1200

Headlamp High Beam Signal

Headlamp - High Beam - Right


Object Number: 684797  Size: CH

Connector Part Information

    • 12059183
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

640

Battery Positive Voltage

B

PNK

1200

Headlamp High Beam Signal

Headlamp - Low Beam - Left


Object Number: 684796  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

CKT No.

Function

A

ORN

740

Battery Positive Voltage

B

DK BLU

1201

Headlamp Low Beam Signal

Headlamp - Low Beam - Right


Object Number: 684796  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

CKT No.

Function

A

ORN

640

Battery Positive Voltage

B

DK BLU

1201

Headlamp Low Beam Signal

Instrument Panel Compartment Lamp/Switch


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Lamp Socket Wedge Base W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

BLK

250

Ground

IP Dimming Module


Object Number: 810072  Size: CH

Connector Part Information

    • 12034060
    • 4-Way F Metri-Pack 480 Series (NAT)

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

C

BRN/WHT

230

Instrument Panel Lamps Dimming Control

D

BRN

9

Park Lamp Supply Voltage

IP Dimmer Switch


Object Number: 808685  Size: CH

Connector Part Information

    • 12020299
    • 5-Way F Printed Circuit Edgeboard Series (NAT)

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

C

BRN

9

Park Lamp Supply Voltage

D

BLK/WHT

151

Ground

E

GRY

8

Instrument Panel Lamp Supply Voltage-1

License Lamp


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • 2-Way Lamp Socket Wedge Base W2 (GRY)

Pin

Wire Color

CKT No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK

750

Ground

Marker Lamp - LF


Object Number: 287967  Size: CH

Connector Part Information

    • 12065157
    • Lamp Socket Wedge Base W1 (CRM)

Pin

Wire Color

CKT No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

LT BLU

14

Left Turn Signal Lamp Supply Voltage

Marker Lamp - RF


Object Number: 287967  Size: CH

Connector Part Information

    • 12065157
    • Lamp Socket Wedge Base W1 (CRM)

Pin

Wire Color

CKT No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

DK BLU

15

Right Turn Signal LampSupply Voltage

Park/Turn Signal Lamp - LF


Object Number: 38605  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

LT BLU

14

Left Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

1350

Ground

Park/Turn Signal Lamp - RF


Object Number: 38605  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

DK BLU

15

Right Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

1350

Ground

Rear Compartment Courtesy Lamp


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

ORN/BLK

737

Rear Compartment Lamp Control

C

ORN

1732

Courtesy Lamps Supply Voltage

Rear View Mirror Reading Lamps


Object Number: 153632  Size: CH

Connector Part Information

    • 12124782
    • 7-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

1

--

--

Not Used

2

BLK

750

Ground

3-6

--

--

Not Used

7

BLK/WHT

1732

Courtesy Lamps 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

CKT No.

Function

A

ORN

140

Battery Positive Voltage

B

LT BLU

20

Stop Lamp Supply Voltage

Stop Lamp Switch C2


Object Number: 40397  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

LT GRN

275

Neutral Safety Switch Park Signal

B

DK GRN

/WHT

1135

A/T Shift Lock Solenoid Supply Voltage

C-D

--

--

Not Used

Tail/Stop and Turn Signal Lamp - Left


Object Number: 697039  Size: CH

Connector Part Information

    • 12052848
    • 6-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

LT BLU/BLK

14

Left Turn Signal Lamp Supply Voltage

B

--

--

Not Used

C

LT GRN

24

Backup Lamp Supply Voltage

D

BRN

9

Park Lamp Supply Voltage

E

BLK

750

Ground

F

LT BLU

20

Stop Lamp Supply Voltage

Tail/Stop and Turn Signal Lamp - Right


Object Number: 697039  Size: CH

Connector Part Information

    • 12052848
    • 6-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

C

DK BLU

15

Right Turn Signal Lamp Supply Voltage

D

BRN

9

Park Lamp Supply Voltage

E

BLK

850

Ground

F

LT BLU

20

Stop Lamp Supply Voltage

Turn Signal/Multifunction Switch C1


Object Number: 334628  Size: CH

Connector Part Information

    • 12177027
    • 6-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

31

GRY/BLK

308

Park Lamp Switch On Signal

32

ORN

240

Battery Positive Voltage

33

PNK

1200

Headlamp High Beam Signal

34

DK BLU

1201

Headlamp Low Beam Signal

35

BLK

150

Ground

36

DK GRN

306

Headlamp Switch Headlamps Off Signal

Turn Signal/Multifunction Switch C2


Object Number: 62450  Size: CH

Connector Part Information

    • 12052856
    • 4-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

BLK

28

Horn Relay Control

B

DK BLU

15

Right Turn Signal Lamps Supply Voltage

C

LT BLU

14

Left Turn Signal Lamps Supply Voltage

D

PPL

16

Turn Signal Flasher Signal

PPL

16

Turn Signal Flasher Signal

Turn Signal/Multifunction Switch C3


Object Number: 62432  Size: CH

Connector Part Information

    • 12041429
    • 5-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

92

Windshield Wiper Motor High Speed

B

RED

228

Windshield Washer Pump Ground

C

YEL

143

Accessory Voltage

D

GRY

112

Windshield Wiper Switch Signal 1

E

DK GRN

113

Windshield Wiper Switch Signal 2

Vanity Mirror Lamp - Right


Object Number: 35441  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

BLK

750

Ground