GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Aztek - FWD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Lighting Systems Connector End Views
Table 1: A/T Shift Lever Position Indicator Lamp (Pontiac)
Table 2: Backup Lamp - Left (Buick)
Table 3: Backup Lamp - Left (Pontiac)
Table 4: Backup Lamp - Right (Buick)
Table 5: Backup Lamp - Right (Pontiac)
Table 6: Cargo Lamp (Buick)
Table 7: Cargo Lamp (Pontiac)
Table 8: Center High Mounted Stop Lamp (CHMSL)
Table 9: Console Compartment Lamp (Buick)
Table 10: Console Compartment Lamp Switch (Buick)
Table 11: Daytime Running Lamps (DRL) Ambient Light Sensor
Table 12: Fog Lamp - Left
Table 13: Fog Lamp - Right
Table 14: Headlamp Switch
Table 15: Headlamp - High Beam - Left
Table 16: Headlamp - High Beam - Right
Table 17: Headlamp - Low Beam - Left
Table 18: Headlamp - Low Beam - Right
Table 19: I/P Courtesy Lamp - Left
Table 20: I/P Courtesy Lamp - Right
Table 21: License Plate Lamp
Table 22: Liftgate Lamp Assembly
Table 23: Marker Lamp - LF (Buick)
Table 24: Marker Lamp - LR (Buick)
Table 25: Marker Lamp - RF (Buick)
Table 26: Marker Lamp - RR (Buick)
Table 27: Park/Stop/Turn Signal Lamp - LR
Table 28: Park/Stop/Turn Signal Lamp - RR
Table 29: Park/Turn Signal Lamp - LF
Table 30: Park/Turn Signal Lamp - RF
Table 31: Roof Rail Reading Lamp - Left (C79 or 1SE or 1SC)
Table 32: Roof Rail Reading Lamp - Right (C79 or 1SE or 1SC)
Table 33: Stop Lamp Switch - C1
Table 34: Stop Lamp Switch - C2
Table 35: Tail Lamps, Liftgate - Left (Buick)
Table 36: Tail Lamps, Liftgate - Right (Buick)
Table 37: Turn Signal/Multifunction Switch - C1
Table 38: Turn Signal/Multifunction Switch - C2
Table 39: Turn Signal/Multifunction Switch - C3
Table 40: Turn Signal/Multifunction Switch - C4 (K34)
Table 41: Vanity Mirror - Left (DH9)
Table 42: Vanity Mirror - Right (DH9)

A/T Shift Lever Position Indicator Lamp (Pontiac)


Object Number: 407137 Size: CH

Connector Part Information
    • 12162711
    • 2-Way (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

8

Instrument Panel Lamp Supply Voltage

B

BK

1450

Ground

Backup Lamp - Left (Buick)


Object Number: 744036 Size: CH

Connector Part Information
    • 12110053
    • 2-Way Lamp Socket Wedge Base W3 Right Angle (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BN

24

Backup Lamp Supply Voltage

B

BK

1150

Ground

Backup Lamp - Left (Pontiac)


Object Number: 82372 Size: CH

Connector Part Information
    • 12160393
    • 2-Way Lamp Socket Wedge Base W3 Right Angle (L-GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

G

BK

850

Ground

Backup Lamp - Right (Buick)


Object Number: 744036 Size: CH

Connector Part Information
    • 12110053
    • 2-Way Lamp Socket Wedge Base W3 Right Angle (L-GY)

Pin

Wire Color

Circuit No.

Function

A

WH

24

Backup Lamp Supply Voltage

B

BK

1150

Ground

Backup Lamp - Right (Pontiac)


Object Number: 82372 Size: CH

Connector Part Information
    • 12160393
    • 2-Way Lamp Socket Wedge Base W3 Right Angle (L-GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

G

BK

1850

Ground

Cargo Lamp (Buick)


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Courtesy Lamps Supply Voltage

B

BK

650

Ground

C

GY/BK

690

Courtesy Lamp Control

Cargo Lamp (Pontiac)


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Courtesy Lamps Supply Voltage

B

GY/BK

690

Courtesy Lamp Control

Center High Mounted Stop Lamp (CHMSL)


Object Number: 35441 Size: CH

Connector Part Information
    • 12047663
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

17

Stop Lamp Switch Signal

B

BK

650

Ground

Console Compartment Lamp (Buick)


Object Number: 387544 Size: CH

Connector Part Information
    • 12124652
    • 2-Way TPA Wedge Base

Pin

Wire Color

Circuit No.

Function

A

YE

9732

Console Compartment Lamps Supply Voltage

B

BK

150

Ground

Console Compartment Lamp Switch (Buick)


Object Number: 73251 Size: CH

Connector Part Information
    • 12033701
    • 2-Way F (BL)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Courtesy Lamps Supply Voltage

B

YE

9732

Console Compartment Lamps Supply Voltage

Daytime Running Lamps (DRL) Ambient Light Sensor


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1137

Ambient Light Sensor Signal

B

YE/BK

1138

Ambient Light Sensor Low Reference

Fog Lamp - Left


Object Number: 646148 Size: CH

Connector Part Information
    • 12020599
    • 2-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Front Fog Lamps Supply Voltage

B

BK

1350

Ground

Fog Lamp - Right


Object Number: 646148 Size: CH

Connector Part Information
    • 12020599
    • 2-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Front Fog Lamps Supply Voltage

B

BK

1250

Ground

Headlamp Switch


Object Number: 684891 Size: CH

Connector Part Information
    • 15324433
    • 18-Way F SOC (GN)

Pin

Wire Color

Circuit No.

Function

1

PK

1444

5-Volt Reference

2

PK/BK

1597

Interior Lamp Switch On Signal

3

PU

328

Interior Lamp Defeat Switch Signal

4

BK

1550

Ground

5-6

--

--

Not Used

7

OG

192

Fog Lamp Switch Signal

8

L-BU

13

Headlamp Switch Park Lamps Signal

9

BN/WH

230

Instrument Panel Lamps Dimming Control

10

GY/BK

1798

Low Reference

11

--

--

Not Used

12

GY

8

Instrument Panel Lamp Supply Voltage

13

PU

34

Fog Lamps Supply Voltage

14-15

--

--

Not Used

16

BK

1450

Ground

17

YE

10

Headlamp Switch Signal

18

--

--

Not Used

Headlamp - High Beam - Left


Object Number: 684797 Size: CH

Connector Part Information
    • 12059182
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

711

Left Headlamp High Beam Supply Voltage

B

BK

1350

Ground

Headlamp - High Beam - Right


Object Number: 684797 Size: CH

Connector Part Information
    • 12059182
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

311

Right Headlamp High Beam Supply Voltage

B

D-BU

593

DRL Headlamp High Beam Supply Voltage

Headlamp - Low Beam - Left


Object Number: 684796 Size: CH

Connector Part Information
    • 12059180
    • 2-Way F Metri-Pack 280 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

712

Left Headlamp Low Beam Supply Voltage

B

BK

1350

Ground

Headlamp - Low Beam - Right


Object Number: 684796 Size: CH

Connector Part Information
    • 12059180
    • 2-Way F Metri-Pack 280 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

312

Right Headlamp Low Beam Supply Voltage

B

BK

150

Ground

I/P Courtesy Lamp - Left


Object Number: 407137 Size: CH

Connector Part Information
    • 12162711
    • 2-Way Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Courtesy Lamps Supply Voltage

B

GY/BK

690

Courtesy Lamp Control

I/P Courtesy Lamp - Right


Object Number: 407137 Size: CH

Connector Part Information
    • 12162711
    • 2-Way Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Courtesy Lamps Supply Voltage

B

GY/BK

690

Courtesy Lamp Control

License Plate Lamp


Object Number: 130733 Size: CH

Connector Part Information
    • 12146418
    • 2-Way Lamp Socket (WH)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage (Pontiac)

GN

9

Park Lamp Supply Voltage (Buick)

B

BK

450

Ground (Pontiac)

BK

1150

Ground (Buick)

Liftgate Lamp Assembly


Object Number: 655691 Size: CH

Connector Part Information
    • 12146046
    • 4-Way F Metri-Pack, 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamps Supply Voltage

B

L-GN

24

Backup Lamp Supply Voltage

C

--

--

Not Available

D

L-GN

24

Backup Lamp Supply Voltage

E

BK

1150

Ground

Marker Lamp - LF (Buick)


Object Number: 407137 Size: CH

Connector Part Information
    • 12110053
    • 2-Way F (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Headlamp Switch Park Lamps Signal

B

BK

1350

Ground

Marker Lamp - LR (Buick)


Object Number: 744036 Size: CH

Connector Part Information
    • 12110053
    • 2-Way F (GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

9

Headlamp Switch Park Lamps Signal

B

BK

850

Ground

Marker Lamp - RF (Buick)


Object Number: 407137 Size: CH

Connector Part Information
    • 12110053
    • 2-Way F (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Headlamp Switch Park Lamps Signal

B

BK

1250

Ground

Marker Lamp - RR (Buick)


Object Number: 744036 Size: CH

Connector Part Information
    • 12110053
    • 2-Way F (GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

9

Headlamp Switch Park Lamps Signal

B

BK

1850

Ground

Park/Stop/Turn Signal Lamp - LR


Object Number: 38605 Size: CH

Connector Part Information
    • 12160394
    • 3-Way F Lamp Socket Wedge Base W3 Right Angle (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN/YE

18

Left Rear Stop/Turn Lamp Supply Voltage

B

BN

9

Park Lamp Supply Voltage

G

BK

850

Ground

Park/Stop/Turn Signal Lamp - RR


Object Number: 38605 Size: CH

Connector Part Information
    • 12160394
    • 3-Way F Lamp Socket Wedge Base W3 Right Angle (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN/YE

19

Right Rear Stop/Turn Lamp Supply Voltage

B

BN

9

Park Lamp Supply Voltage

G

BK

1850

Ground

Park/Turn Signal Lamp - LF


Object Number: 82366 Size: CH

Connector Part Information
    • 12092379
    • 3-Way F Lamp Socket Wedge Base W3 (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

14

Left Turn Signal Lamps Supply Voltage

B

BN

9

Park Lamp Supply Voltage

G

BK

1350

Ground

Park/Turn Signal Lamp - RF


Object Number: 82366 Size: CH

Connector Part Information
    • 12092379
    • 3-Way F Lamp Socket Wedge Base W3 (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

15

Right Turn Signal Lamps Supply Voltage

B

BN

9

Park Lamp Supply Voltage

G

BK

1250

Ground

Roof Rail Reading Lamp - Left (C79 or 1SE or 1SC)


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BK

650

Ground

B

WH

1732

Courtesy Lamps Supply Voltage

C

RD

690

Courtesy Lamp Control

Roof Rail Reading Lamp - Right (C79 or 1SE or 1SC)


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BK

650

Ground

B

WH

1732

Courtesy Lamps Supply Voltage

C

RD

690

Courtesy Lamp Control

Stop Lamp Switch - C1


Object Number: 73251 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

OG

1840

Battery Positive Voltage

B

WH

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 (BU)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

1786

Park/Neutral Signal

B

D-GN/WH

1135

A/T Shift Lock Control Solenoid Supply Voltage

C

PK

39

Ignition 1 Voltage

D

PU

420

TCC Brake Switch/Cruise Release Switch Signal

Tail Lamps, Liftgate - Left (Buick)


Object Number: 744036 Size: CH

Connector Part Information
    • 12110053
    • 2-Way F Lamp Socket Wedge Base Assembly (L-GY)
    • Indexing May Vary

Pin

Wire Color

Circuit No.

Function

A

L-GN

9

Rear Park Lamps Supply Voltage

B

BK

1150

Ground

Tail Lamps, Liftgate - Right (Buick)


Object Number: 744036 Size: CH

Connector Part Information
    • 12110053
    • 2-Way F Lamp Socket Wedge Base Assembly (L-GY)
    • Indexing May Vary

Pin

Wire Color

Circuit No.

Function

A

L-GN

9

Rear Park Lamps Supply Voltage

B

BK

1150

Ground

Turn Signal/Multifunction Switch - C1


Object Number: 39746 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BK

1550

Ground

D

L-BU/WH

1414

Turn Signal Switch Left Signal

E

PK

539

Ignition 1 Voltage

F

D-BU/WH

1415

Turn Signal Switch Right Signal

G

BK

28

Horn Relay Control

H

TN

2144

Hazard Switch Signal

Turn Signal/Multifunction Switch - C2


Object Number: 130718 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BK/WH

1969

Headlamp High Beam Relay Control

B

BK

1450

Ground

C

PK/WH

1970

Headlamp Low Beam Relay Control

D

BK

910

Headlamp Low/High Beam Relay Control

E

BK/WH

1969

Headlamp High Beam Relay Control

Turn Signal/Multifunction Switch - C3


Object Number: 811190 Size: CH

Connector Part Information
    • 15339058
    • 7-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

G-H

--

--

Not Used

J

RD

228

Windshield Washer Pump Control

K

YE

243

Accessory Voltage

L

GY

112

Windshield Wiper Switch Signal 1

M

D-GN

113

Windshield Wiper Switch Signal 2

N

PU

92

Windshield Wiper Motor High Speed

Turn Signal/Multifunction Switch - C4 (K34)


Object Number: 39661 Size: CH

Connector Part Information
    • 12047786
    • 4-Way M 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

39

Ignition 1 Voltage

B

GY

397

Cruise Control On Switch Signal

C

GY/BK

87

Cruise Control Resume/Accel Switch Signal

D

D-BU

84

Cruise Control Set/Coast Switch Signal

Vanity Mirror - Left (DH9)


Object Number: 35441 Size: CH

Connector Part Information
    • 12047663
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

1732

Courtesy Lamps Supply Voltage

B

BK

650

Ground

Vanity Mirror - Right (DH9)


Object Number: 35441 Size: CH

Connector Part Information
    • 12047663
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

1732

Courtesy Lamps Supply Voltage

B

BK

650

Ground