GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Light Sensor
Table 2: Ashtray Lamp
Table 3: Center High Mounted Stoplamp C1
Table 4: Center High Mounted Stoplamp C2
Table 5: Courtesy Lamp, Left
Table 6: Courtesy Lamp, Right
Table 7: Courtesy Lamp, Rear Compartment
Table 8: Daytime Running Lamps (DRL) Resistor
Table 9: Dome Lamp
Table 10: Fog Lamp, LF
Table 11: Fog Lamp, RF
Table 12: Fog Lamp Switch
Table 13: Hazard Switch
Table 14: Headlamp - Highbeam - Left
Table 15: Headlamp - Highbeam - Right
Table 16: Headlamp - Lowbeam - Left
Table 17: Headlamp - Lowbeam - Right
Table 18: Instrument Panel Compartment Lamp/Switch
Table 19: IP Dimming Module
Table 20: IP Dimmer Switch
Table 21: License Lamp
Table 22: Marker Lamp, LF
Table 23: Marker Lamp, RF
Table 24: Park/Turn Signal Lamp, LF
Table 25: Park/Turn Signal Lamp, RF
Table 26: PRNDL Lamp
Table 27: Rear View Mirror Reading Lamps
Table 28: Stoplamp Switch C1
Table 29: Stoplamp Switch C2
Table 30: Tail/Stop and Turn Signal Lamp - Left
Table 31: Tail/Stop and Turn Signal Lamp - Right
Table 32: Turn Signal/Multifunction Switch C1
Table 33: Turn Signal/Multifunction Switch C2
Table 34: Vanity Mirror Lamp, Right Side

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

Ashtray Lamp


Object Number: 38556  Size: CH

Connector Part Information

    • 12124722
    • Lamp Socket Wedge Base W2 (GRY)

Pin

Wire Color

CKT No.

Function

A

GRY

8

Instrument Panel Lamp Supply Voltage-1

B

BLK

250

Ground

Center High Mounted Stoplamp 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

Stoplamp Supply Voltage

B

BLK

850

Ground

Center High Mounted Stoplamp 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

Stoplamp Supply Voltage

B

BLK

850

Ground

Courtesy Lamp, Left


Object Number: 287969  Size: CH

Connector Part Information

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

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 (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

WHT

156

Courtesy Lamp Low Control

Courtesy Lamp, Rear Compartment


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

Trunk Lamp Control

C

ORN

1732

Courtesy Lamps Supply Voltage

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

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

Front 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

Front 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

Front 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 I Voltage

D

--

--

Not Used

E

GRY

8

Instrument Panel Lamp Supply Voltage 1

F

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

G

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

H-J

--

--

Not Used

K

PPL

16

Turn Signal Flasher Control

Headlamp - Highbeam - Left


Object Number: 35447  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

High Beam Headlamp Lamp Positive Voltage

Headlamp - Highbeam - Right


Object Number: 35447  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

Highbeam Headlamp Lamp Positive Voltage

Headlamp - Lowbeam - Left


Object Number: 35444  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

Low Beam Headlamp Lamp Positive Voltage

Headlamp - Lowbeam - Right


Object Number: 35444  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

Low Beam Headlamp Lamp Positive Voltage

Instrument Panel Compartment Lamp/Switch


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • Lamp Socket Wedge Base W2 (NAT)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

BLK

250

Ground

IP Dimming Module


Object Number: 38618  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: 287975  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: 287977  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 Fornt Turn Signal Lamp Positive 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 Front Turn Signal Lamp Positive 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 Front Turn Signal Lamp Positive 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 Front Turn Signal Lamp Positive Voltage

B

BRN

9

Parklamp Supply Voltage

G

BLK

1350

Ground

PRNDL Lamp


Object Number: 287969  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

Rear View Mirror Reading Lamps


Object Number: 39660  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

BLK

750

Ground

C

BLK/WHT

1732

Courtesy Lamps Supply Voltage

D

--

--

Not Used

Stoplamp 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

Stoplamp Supply Voltage

Stoplamp 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: 62449  Size: CH

Connector Part Information

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

Pin

Wire Color

CKT No.

Function

A

LT BLU

14

Left Front Turn Signal Lamp Positive Voltage

B

--

--

Not Used

C

LT GRN

24

Backup Lamp Supply Voltage

D

BRN

9

Parklamp Supply Voltage

E

BLK

750

Ground

F

LT BLU

20

Stop Lamp Supply Voltage

Tail/Stop and Turn Signal Lamp - Right


Object Number: 62449  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 Front 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: 287982  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 - Signal - On

32

ORN

240

Battery Positive Voltage

33

PNK

1200

High Beam Headlamp Lamp Control

34

DK BLU

1201

Low Beam Headlamp Lamp Control

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 Front Turn Signal Lamp Positive Voltage

C

LT BLU

14

Left Front Turn Signal Lamp Positive Voltage

D

PPL

16

Turn Signal Flasher Control

Vanity Mirror Lamp, Right Side


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