GM Service Manual Online
For 1990-2009 cars only
Table 1: Ashtray Lamp
Table 2: Backup Lamp - Left, Right
Table 3: Backup Lamp - Export
Table 4: Center High Mounted Stop Lamp (CHMSL)
Table 5: Daytime Running Lamps (DRL) Control Module
Table 6: Dome Lamp - Front, Rear
Table 7: Door Jamb Switch - Front Driver
Table 8: Door Jamb Switch - Front Passenger
Table 9: Door Jamb Switch - RR
Table 10: Door Jamb Switch - Side
Table 11: Fog Lamp Switch
Table 12: Headlamp - Left
Table 13: Headlamp - Right
Table 14: Headlamp Left/Right - Export
Table 15: Headlamp, Left High Beam - Composite
Table 16: Headlamp, Left Low Beam - Composite
Table 17: Headlamp, Right High Beam - Composite
Table 18: Headlamp, Right Low Beam - Composite
Table 19: Headlamp Leveling Actuator
Table 20: Headlamp Leveling Switch
Table 21: Headlamp Switch
Table 22: Interior Lamp Control Module
Table 23: I/P Compartment Lamp
Table 24: License Lamp
Table 25: Lighting Control Relay
Table 26: Park and Turn Signal Lamp, Left Front - Base
Table 27: Park and Turn Signal Lamp, Left Front - Dual
Table 28: Park and Turn Signal Lamp, Left Rear - Export
Table 29: Park and Turn Signal Lamp, Right Front - Base
Table 30: Park and Turn Signal Lamp, Right Front - Dual
Table 31: Park and Turn Signal Lamp, Right Rear - Export
Table 32: Park/Turn Signal - LR, RR
Table 33: Position Lamp, Left/Right - Export
Table 34: Rear Fog Lamp
Table 35: Relay Block - I/P
Table 36: Side Marker, Left Front - Domestic
Table 37: Side Marker, Right Front - Domestic
Table 38: Stepwell Lamp - All
Table 39: Tail/Stop Lamp - Left, Right
Table 40: TCC/Brake Switch
Table 41: Turn Signal Lamp Left/Right Rear - Export
Table 42: Underhood Lamp
Table 43: Vanity Mirror Lamp - Left, Right

Ashtray Lamp


Object Number: 35441  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Lamp Supply Voltage

B

BLK

150

Ground

Backup Lamp - Left, Right


Object Number: 62479  Size: CH

Connector Part Information

    • 12160386
    • Lamp Socket Type B1 Right Angle (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

G

BLK

150

Ground - LH

BLK

250

Ground - RH

Backup Lamp - Export


Object Number: 605500  Size: CH

Connector Part Information

    • 12162343
    • ASM 2F M/P 150 (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

LT GRN

24

Backup Lamp Supply Voltage

Center High Mounted Stop Lamp (CHMSL)


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

BLK

150

Ground

Daytime Running Lamps (DRL) Control Module


Object Number: 62469  Size: CH

Connector Part Information

    • 12064998
    • 8F M/P 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

340

Battery Positive Voltage

B

LT GRN

11

Headlamp High Beam Supply Voltage - w/o WX7

BRN

9

Park Lamp Supply Voltage - w/WX7

C

TAN/WHT

33

Brake Warning Indicator Control

D

LT BLU

1134

Park Brake Switch Signal

E

BLK

150

Ground

F

PNK

39

Ignition 1 Voltage

G

LT GRN/

BLK

592/592

DRL Relay Control

H

TAN

12/12

Headlamp Low Beam Supply Voltage

Dome Lamp - Front, Rear


Object Number: 68722  Size: CH

Connector Part Information

    • 15528758
    • 2 Way Dome Lamp Base (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

WHT

156

Courtesy Lamp Low Control

Door Jamb Switch - Front Driver


Object Number: 38608  Size: CH

Connector Part Information

    • 12162189
    • 4 Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

328

Interior Lamp Defeat Switch Signal

B-C

--

--

Not Used -w/o Remote Keyless Entry

C

TAN

159

Key In Ignition Switch Signal - w/ Remote Keyless Entry

D

BLK

150

Ground

Door Jamb Switch - Front Passenger


Object Number: 38608  Size: CH

Connector Part Information

    • 12162189
    • 4 Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B-C

--

--

Not Used - w/o Remote Keyless Entry

C

TAN

159

Key In Ignition Switch Signal - w/Remote Keyless Entry

D

PPL

328

Interior Lamp Defeat Switch Signal

Door Jamb Switch - RR


Object Number: 38608  Size: CH

Connector Part Information

    • 12162189
    • 4 Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

328

Interior Lamp Defeat Switch Signal

B-C

--

--

Not Used

D

BLK

250

Ground

Door Jamb Switch - Side


Object Number: 35451  Size: CH

Connector Part Information

    • 12059251
    • 2 Way F Metri-pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PPL

328

Interior Lamp Defeat Switch Signal - w/o Keyless Entry

WHT/BLK

158

Side Door Jamb Switch Signal - w/ Keyless Entry

B

BLK

150

Ground

Fog Lamp Switch


Object Number: 62451  Size: CH

Connector Part Information

    • 12059296
    • ASM 5F M/P 480 (RED)

Pin

Wire Color

Circuit No.

Function

A

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B

BLK

150

Ground

C

--

--

Not Used

D

BRN

10

Headlamp Switch Signal

E

YEL

1977

Rear Fog Lamp Relay Control

Headlamp - Left


Object Number: 306269  Size: CH

Connector Part Information

    • 12034372
    • 3 Way F Metri-pack 800 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

LT GRN

11

Headlamp High Beam Supply Voltage

C

TAN

12

Headlamp Low Beam Supply Voltage

Headlamp - Right


Object Number: 306269  Size: CH

Connector Part Information

    • 12034372
    • 3 Way F Metri-pack 800 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

151

Ground

B

LT GRN

11

Headlamp High Beam Supply Voltage

C

TAN

12

Headlamp Low Beam Supply Voltage

Headlamp Left/Right - Export


Object Number: 350859  Size: CH

Connector Part Information

    • 02965810
    • CONN 3F 59 SER (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground - Left

BLK/WHT

151

Ground - Right

B

TAN

12

Headlamp Low Beam Supply Voltage

C

LT GRN

11

Headlamp High Beam Supply Voltage

Headlamp, Left High Beam - Composite


Object Number: 684797  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

11

Headlamp High Beam Supply Voltage

B

BLK

150

Ground

Headlamp, Left Low Beam - Composite


Object Number: 684796  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

12

Headlamp Low Beam Supply Voltage

B

BLK

150

Ground

Headlamp, Right High Beam - Composite


Object Number: 684797  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

11

Headlamp High Beam Supply Voltage

B

BLK/WHT

151

Ground

Headlamp, Right Low Beam - Composite


Object Number: 684796  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

12

Headlamp Low Beam Supply Voltage

B

BLK/WHT

151

Ground

Headlamp Leveling Actuator


Object Number: 358617  Size: CH

Connector Part Information

    • 12162547
    • ASM 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK

350

Ground

2

DK GRN

189

Headlamp Leveling Motor Supply Voltage

3

PNK

39

Ignition 1 Voltage

Headlamp Leveling Switch


Object Number: 68805  Size: CH

Connector Part Information

    • 12162804
    • ASM 5F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

31A

BLK

150

Ground

31B

--

--

Not Used

56B

PNK

39

Ignition 1 Voltage

58

GRY

8

Instrument Panel Lamp Supply Voltage - 1

G

DK GRN

189

Headlamp Leveling Motor Supply Voltage

Headlamp Switch


Object Number: 68785  Size: CH

Connector Part Information

    • 12146952
    • 12 Way F Metri-pack 280 Series Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

GRY

157

Interior Lamp Control

C

RED

42

Battery Positive Voltage

D

PNK

39

Ignition 1 Voltage

E

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

F

--

--

Not Used

G

YEL

10

Headlamp Switch Signal

H

ORN

240

Battery Positive Voltage

J-K

--

--

Not Used

L

PPL

328

Interior Lamp Defeat Switch Signal

M

WHT

156

Courtesy Lamp Low Control

N

PPL/WHT

1382

LED Dimming Signal

P

--

--

Not Used

R

BLK

150

Ground

S

BRN

9

Park Lamp Supply Voltage

Interior Lamp Control Module


Object Number: 62432  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Ignition 1 Voltage

B

GRY

157

Interior Lamp Control

C

ORN

540

Battery Positive Voltage

D

BLK

150

Ground

E

WHT

156

Courtesy Lamp Low Control

I/P Compartment Lamp


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2 Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

BLK

150

Ground

License Lamp


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • Lamp Socket Type W-2 Axial (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK

250

Ground

Lighting Control Relay


Object Number: 281201  Size: CH

Connector Part Information

    • 12110541
    • Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

ORN

340

Battery Positive Voltage

A2

--

--

Not Used

B1

DK GRN

1655

Exterior Courtesy Lamps Relay Control

B2

--

--

Not Used

C1

LT BLU

14

Left Turn Signal Lamps Supply Voltage

C2

DK BLU

15

Right Turn Signal Lamps Supply Voltage

Park and Turn Signal Lamp, Left Front - Base


Object Number: 296872  Size: CH

Connector Part Information

    • 12160390
    • Lamp Socket C2 Base Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Turn Signal Lamps Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

150

Ground

Park and Turn Signal Lamp, Left Front - Dual


Object Number: 95769  Size: CH

Connector Part Information

    • 12089348
    • Lamp Socket C2 Base (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Turn Signal Lamps Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

150

Ground

Park and Turn Signal Lamp, Left Rear - Export


Object Number: 296872  Size: CH

Connector Part Information

    • 12160390
    • Lamp Socket C2 Base Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Turn Signal Lamps Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

150

Ground

Park and Turn Signal Lamp, Right Front - Base


Object Number: 296872  Size: CH

Connector Part Information

    • 12160390
    • Lamp Socket C2 Base Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

15

Right Turn Signal Lamps Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK/WHT

151

Ground

Park and Turn Signal Lamp, Right Front - Dual


Object Number: 95769  Size: CH

Connector Part Information

    • 12089348
    • Lamp Socket C2 Base (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

15

Right Turn Signal Lamps Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK/WHT

151

Ground

Park and Turn Signal Lamp, Right Rear - Export


Object Number: 296872  Size: CH

Connector Part Information

    • 12160390
    • Lamp Socket C2 Base Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

15

Right Turn Signal Lamps Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

250

Ground

Park/Turn Signal - LR, RR


Object Number: 296872  Size: CH

Connector Part Information

    • 12160390
    • Lamp Socket C2 Base Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

15

Right Turn Signal Flasher Output

LT BLU

14

Left Turn Signal Flasher Output

B

BRN

9

Park Lamp Supply Voltage

G

BLK

250

Ground - Right Lamp

BLK

150

Ground - Left Lamp

Position Lamp, Left/Right - Export


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • ASM 2F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK

150

Ground - Left

BLK/WHT

151

Ground - Right

Rear Fog Lamp


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • ASM 2F M/P 150 (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

RED

122

Rear Fog Lamp Supply Voltage

Relay Block - I/P


Object Number: 68798  Size: CH

Connector Part Information

    • 12146836
    • 30F MP 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A1

RED

122

Rear Fog Lamp Supply Voltage

A3

YEL

1977

Rear Fog Lamp Relay Control

A4

--

--

Not Used

A6

--

--

Not Used

A7

--

--

Not Used

A9

--

--

Not Used

B1

YEL

10

Headlamp Switch Signal

B2

--

--

Not Used

B3

ORN

340

Battery Positive Voltage

B4

--

--

Not Used

B5

--

--

Not Used

B6

--

--

Not Used

B7

PPL

16

Turn Signal Flasher Signal

B8

LT GRN

62

Hazard Indicator Supply Voltage

B9

LT BLU

1508

Turn/Hazard Module Supply Voltage

C1

ORN

340

Battery Positive Voltage

C2

PPL

359

DRL Supply voltage

C3

PNK

39

Ignition 1 Voltage

C4

ORN

340

Battery Positive Voltage

C5

BRN

9

Park Lamp Supply Voltage

C6

PNK

39

Ignition 1 Voltage

C7

--

--

Not Used

C8

BLK

150

Ground

C9

--

--

Not Used

D1

--

--

Not Used

D3

--

--

Not Used

D4

LT GRN/

BLK

592

DRL Relay Control

D6

PPL

1256

Park Lamp - Feed - Monitored - Tail Lamps - Group 1

D7

--

--

Not Used

D9

--

--

Not Used

Side Marker, Left Front - Domestic


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • Lamp Socket Type W-2 Axial (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK

150

Ground

Side Marker, Right Front - Domestic


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • Lamp Socket Type W-2 Axial (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK/WHT

151

Ground

Stepwell Lamp - All


Object Number: 35441  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

WHT

156

Courtesy Lamp Low Control

Tail/Stop Lamp - Left, Right


Object Number: 296872  Size: CH

Connector Part Information

    • 12160390
    • Lamp Socket C2 Base Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch - Output

B

BRN

9

Park Lamp - Feed

G

BLK

150

Ground - Left Lamp

BLK

250

Ground - Right Lamp

TCC/Brake Switch


Object Number: 62424  Size: CH

Connector Part Information

    • 12040551
    • 6F M/P 480 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/

WHT

1135

A/T Shift Lock Control Solenoid Supply Voltage

B

LT GRN

275

Park Neutral Position Switch Park Signal

C

PPL

420

TCC Brake Switch Signal

D

BRN

441

Ignition 3 Voltage

E

ORN

140

Battery Positive Voltage

F

WHT

17

Stop Lamp Switch Signal

Turn Signal Lamp Left/Right Rear - Export


Object Number: 358618  Size: CH

Connector Part Information

    • 12191477
    • ASM LP SOC B1 BSE RT ANG FL22.2 (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Turn Signal Lamps Supply Voltage

DK BLU

15

Right Turn Signal Lamps Supply Voltage

G

BLK

150

Ground - Left

BLK/WHT

151

Ground - Right

Underhood Lamp


Object Number: 237066  Size: CH

Connector Part Information

    • 12162194
    • 2 Way M Metri-pack 150.2 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

740

Battery Positive Voltage

B

BLK

150

Ground

Vanity Mirror Lamp - Left, Right


Object Number: 35441  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

BLK

150

Ground