GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Park Avenue 🢒 Transmission/Transaxle 🢒 Shift Lock Control 🢒 Lighting Systems Connector End Views
Table 1: Ambient Light Sensor
Table 2: Ashtray Lamp
Table 3: Backup Lamps
Table 4: Center High Mounted Stop Lamp (CHMSL)
Table 5: Center High Mounted Stop Lamp (CHMSL)
Table 6: Cornering Lamp - Left
Table 7: Cornering Lamp - Right
Table 8: Door Courtesy Lamps - LF and RF
Table 9: Door Courtesy Lamps - LR and RR
Table 10: Footwell Courtesy Lamp - Left
Table 11: Footwell Courtesy Lamp - Right
Table 12: Headlamp - High Beam - Left
Table 13: Headlamp - Low Beam - Left
Table 14: Headlamp - High Beam - Right
Table 15: Headlamp - Low Beam - Right
Table 16: Headlamp Switch
Table 17: I/P Compartment Lamp Switch
Table 18: I/P Dimming Module
Table 19: Lamp Control Module (LCM) C1
Table 20: Lamp Control Module (LCM) C2
Table 21: License Lamp
Table 22: Marker Lamp - LF
Table 23: Marker Lamp - LR
Table 24: Marker Lamp - RF
Table 25: Marker Lamp - RR
Table 26: Park/Turn Signal Lamp - LF
Table 27: Park/Turn Signal Lamp - RF
Table 28: Reading Lamp Switch - LF
Table 29: Reading Lamp Switch - LR
Table 30: Reading Lamp Switch - RF
Table 31: Reading Lamp Switch - RR
Table 32: Rear Compartment Lamp
Table 33: Stop Lamp/AT Shift Lock Control Switch C1
Table 34: Stop Lamp/AT Shift Lock Control Switch C2
Table 35: Stop Lamp Switch
Table 36: Tail/Stop Lamp - Left, Part of Backup Lamp Assembly
Table 37: Tail/Stop Lamp - Left, Part of Tail Lamp Assembly
Table 38: Tail/Turn Signal Lamp - Left, Part of Backup Lamp Assembly
Table 39: Tail/Turn Signal Lamp - Left, Part of Tail Lamp Assembly
Table 40: Tail/Stop Lamp - Right, Part of Backup Lamp Assembly
Table 41: Tail/Stop Lamp - Right, Part of Tail Lamp Assembly
Table 42: Tail/Turn Signal Lamp - Right, Part of Backup Lamp Assembly
Table 43: Tail/Turn Signal Lamp - Right, Part of Tail Lamp Assembly
Table 44: Turn Signal/Hazard Flasher Module
Table 45: Underhood Lamp
Table 46: Vanity Mirrors - Left and Right

Ambient Light Sensor


Object Number: 258623 Size: CH

Connector Part Information
    • 06288733
    • 2-Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

278

Ambient Light Sensor Signal

B

BLK/WHT

351

Ground

Ashtray Lamp


Object Number: 38556 Size: CH

Connector Part Information
    • 12124722
    • 2-Way Lamp Socket Bulb Base Type W-2 (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRY

8

Instrument Panel Lamp Supply Voltage - 1

B

BLK

450

Ground

Backup Lamps


Object Number: 405599 Size: CH

Connector Part Information
    • 12092378
    • Lamp Socket Bulb Base Type W-3, Axial (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

G

BLK

650

Ground

Center High Mounted Stop Lamp (CHMSL)


Object Number: 405580 Size: CH

Connector Part Information
    • 08911772
    • 2-Way F Pack-Con Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BLK

650

Ground

Center High Mounted Stop Lamp (CHMSL)


Object Number: 405580 Size: CH

Connector Part Information
    • 08911772
    • 2-Way F Pack-Con Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

LT BLU

20

Stop Lamp Supply Voltage

B

BLK

650

Ground

BLK

650

Ground

Cornering Lamp - Left


Object Number: 82372 Size: CH

Connector Part Information
    • 12160393
    • Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

57

Left Cornering Lamp Supply Voltage

G

BLK

150

Ground

Cornering Lamp - Right


Object Number: 82372 Size: CH

Connector Part Information
    • 12160393
    • Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

58

Right Cornering Lamp Supply Voltage

G

BLK

250

Ground

Door Courtesy Lamps - LF and RF


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

WHT

156

Courtesy Lamp Low Control

Door Courtesy Lamps - LR and RR


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

WHT

156

Courtesy Lamp Low Control

Footwell Courtesy Lamp - Left


Object Number: 130724 Size: CH

Connector Part Information
    • 12064869
    • 2-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

GRY

157

Interior Lamp Control

Footwell Courtesy Lamp - Right


Object Number: 130724 Size: CH

Connector Part Information
    • 12064869
    • 2-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

WHT

156

Courtesy Lamp Low Control

Headlamp - High Beam - Left


Object Number: 35447 Size: CH

Connector Part Information
    • 12059183
    • 2-Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

711

Left Headlamp High Beam Supply Voltage

B

BLK/WHT

150

Ground

Headlamp - Low Beam - Left


Object Number: 35444 Size: CH

Connector Part Information
    • 12059181
    • 2-Way F Metri-Pack 280 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

712

Left Headlamp Low Beam Supply Voltage

B

BLK

150

Ground

Headlamp - High Beam - Right


Object Number: 35447 Size: CH

Connector Part Information
    • 12059183
    • 2-Way Metri-Pack F 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

311

Right Headlamp High Beam Supply Voltage

B

BLK/WHT

250

Ground

Headlamp - Low Beam - Right


Object Number: 35444 Size: CH

Connector Part Information
    • 12059181
    • 2-Way F Metri-Pack 280 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

312

Right Headlamp Low Beam Supply Voltage

B

BLK

250

Ground

Headlamp Switch


Object Number: 73151 Size: CH

Connector Part Information
    • 12064799
    • 12-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

GRY

8

Instrument Panel Lamp Supply Voltage - 1

C

DK GRN

44

I/P Lamps Dimmer Switch Signal

D

WHT

103

Headlamp Switch Headlamps ON Signal

E

GRY/BLK

308

Park Lamp Switch Signal

F

DK BLU/WHT

1495

Courtesy Lamp Switch Signal

G

--

--

Not Used

H

PPL

1783

Twilight Sentinel Delay Signal

J

BLK/WHT

351

Ground

K-M

--

--

Not Used

I/P Compartment Lamp Switch


Object Number: 258297 Size: CH

Connector Part Information
    • 12015197
    • 2-Way F Metri-Pack 280 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

148

Glove Box Lamp Supply Voltage

B

BLK

450

Ground

I/P Dimming Module


Object Number: 280780 Size: CH

Connector Part Information
    • 12129077
    • 10-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A-C

--

--

Not Used

D

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

E

--

--

Not Used

F

GRY

8

Instrument Panel Lamp Supply Voltage - 1

G

--

--

Not Used

H

BRN

9

Park Lamp Supply Voltage

J

--

--

Not Used

K

BLK

450

Ground

Lamp Control Module (LCM) C1


Object Number: 73146 Size: CH

Connector Part Information
    • 12052854
    • 7-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

LT GRN

11

Headlamp High Beam Supply Voltage

C

ORN

1640

Battery Positive Voltage

D

DK BLU

593

DRL Headlamp High Beam Supply Voltage

E

BLK

350

Ground

F

TAN

12

Headlamp Low Beam Supply Voltage

G

RED

1242

Battery Positive Voltage

Lamp Control Module (LCM) C2


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

WHT

629

High Beam Indicator Control

A3-A4

--

--

Not Used

A5

WHT

278

Ambient Light Sensor Signal

A6

PPL

1783

Twilight Sentinel Delay Signal

A7

PNK

39

Ignition 1 Voltage

A8

LT GRN

275

Park Neutral Position Switch Park Signal

A9

PPL

524

Headlamp Dimmer Switch High Beam Signal

A10-A12

--

--

Not Used

B1

--

--

Not Used

B2

YEL

390

Instrument Panel Lamp Supply Voltage - 3

B3

PPL/WHT

549

Headlamp Switch Headlamps Off Signal

B4

BLK/WHT

351

Ground

B5

BLK/WHT

351

Ground

B6-B8

--

--

Not Used

B9

YEL

307

Headlamp Switch Flash to Pass Signal

B10

WHT

103

Headlamp Switch Headlamps On Signal

B11

GRY/BLK

308

Park Lamp Switch Signal (Park Lamps ON)

B12

BLK/WHT

624

Headlamp Alarm Signal

License Lamp


Object Number: 405637 Size: CH

Connector Part Information
    • 12077765
    • 2-Way Type W-2 (CRM)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

309

Right Park Lamp Supply Voltage

B

BLK

650

Ground

Marker Lamp - LF


Object Number: 287977 Size: CH

Connector Part Information
    • 12146595
    • Lamp Socket Bulb Base W-2 Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

709

Left Turn Signal Lamp Supply Voltage

B

YEL

685

Left Park Lamp Supply Voltage

Marker Lamp - LR


Object Number: 130733 Size: CH

Connector Part Information
    • 12146418
    • 2-Way Lamp Socket Bulb Base (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

709

Left Park Lamp Supply Voltage

B

BLK

550

Ground

Marker Lamp - RF


Object Number: 287977 Size: CH

Connector Part Information
    • 12146595
    • 2-Way Lamp Socket Bulb Base W-2 Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

686

Right Turn Signal Lamp Supply Voltage

B

BRN/WHT

309

Right Park Lamp Supply Voltage

Marker Lamp - RR


Object Number: 130733 Size: CH

Connector Part Information
    • 12146418
    • 2-Way Lamp Socket Bulb Base (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

309

Right Park Lamp Supply Voltage

B

BLK

650

Ground

Park/Turn Signal Lamp - LF


Object Number: 95769 Size: CH

Connector Part Information
    • 12160395
    • 3-Way Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

685

Left Turn Signal Lamp Supply Voltage

B

PPL

709

Left Park Lamp Supply Voltage

G

BLK

150

Ground

Park/Turn Signal Lamp - RF


Object Number: 95769 Size: CH

Connector Part Information
    • 12160395
    • 3-Way Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

686

Right Turn Signal Lamp Supply Voltage

B

BRN/WHT

309

Right Park Lamp Supply Voltage

G

BLK

250

Ground

Reading Lamp Switch - LF


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

Interior Lamp Control

B

BLK

650

Ground

C

DK BLU

660

Left Courtesy Lamp Control

Reading Lamp Switch - LR


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

Interior Lamp Control

B

BLK

650

Ground

C

LT GRN

522

Reading Lamp Control - Left

Reading Lamp Switch - RF


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

Interior Lamp Control

B

BLK

650

Ground

C

LT BLU

661

Right Courtesy Lamp Control

Reading Lamp Switch - RR


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

Interior Lamp Control

B

BLK

650

Ground

C

DK GRN

523

Reading Lamp Control - Right

Rear Compartment Lamp


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

ORN/BLK

737

Trunk Lamp Control

C

ORN

1732

Courtesy Lamps Supply Voltage

Stop Lamp/AT Shift Lock Control Switch C1


Object Number: 40397 Size: CH

x

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

275

Auto Trans Shift lock Switch Feed

B

DK GRN/WHT

1135

Auto Trans Shift Lock Control Solenoid Feed

C-D

--

--

Not Used

Stop Lamp/AT Shift Lock Control Switch C2


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

640

Fused Output (Battery)

B

LT BLU

20

Stop Lamp Feed

Stop Lamp Switch


Object Number: 258178 Size: CH

Connector Part Information
    • 12033705
    • 4-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 Voltage

B

PPL

420

TCC Brake Switch Signal

C

TAN

848

Brake Switch Signal

D

BLK/WHT

351

Ground

Tail/Stop Lamp - Left, Part of Backup Lamp Assembly


Object Number: 405599 Size: CH

Connector Part Information
    • 12092378
    • Lamp Socket Bulb Base Type W-3, Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BRN/WHT

709

Left Park Lamp Supply Voltage

G

BLK

650

Ground

Tail/Stop Lamp - Left, Part of Tail Lamp Assembly


Object Number: 801218 Size: CH

Connector Part Information
    • 12191243
    • Lamp Socket Bulb Base Type W-3, Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

PPL

709

Left Park Lamp Supply Voltage

G

BLK

550

Ground

Tail/Turn Signal Lamp - Left, Part of Backup Lamp Assembly


Object Number: 405599 Size: CH

Connector Part Information
    • 12092378
    • 3-Way Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

685

Left Turn Signal Lamp Supply Voltage

B

BRN/WHT

709

Left Park Lamp Supply Voltage

G

BLK

650

Ground

Tail/Turn Signal Lamp - Left, Part of Tail Lamp Assembly


Object Number: 801218 Size: CH

Connector Part Information
    • 12191243
    • 3-Way Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

685

Left Turn Signal Lamp Supply Voltage

B

PPL

709

Left Park Lamp Supply Voltage

G

BLK

550

Ground

Tail/Stop Lamp - Right, Part of Backup Lamp Assembly


Object Number: 405599 Size: CH

Connector Part Information
    • 12092378
    • Lamp Socket Bulb Base Type W-3, Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BRN/WHT

309

Left Park Lamp Supply Voltage

G

BLK

650

Ground

Tail/Stop Lamp - Right, Part of Tail Lamp Assembly


Object Number: 801218 Size: CH

Connector Part Information
    • 12191243
    • Lamp Socket Bulb Base Type W-3, Axial (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

PPL

309

Right Park Lamp Supply Voltage

G

BLK

650

Ground

Tail/Turn Signal Lamp - Right, Part of Backup Lamp Assembly


Object Number: 405599 Size: CH

Connector Part Information
    • 12092378
    • 3-Way Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

686

Right Turn Signal Lamp Supply Voltage

B

BRN/WHT

309

Right Park Lamp Supply Voltage

G

BLK

650

Ground

Tail/Turn Signal Lamp - Right, Part of Tail Lamp Assembly


Object Number: 801218 Size: CH

Connector Part Information
    • 12191243
    • 3-Way Lamp Socket Bulb Base W-3 Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

686

Right Turn Signal Lamp Supply Voltage

B

PPL

309

Right Park Lamp Supply Voltage

G

BLK

650

Ground

Turn Signal/Hazard Flasher Module


Object Number: 62469 Size: CH

Connector Part Information
    • 12064998
    • 8-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground

B

BLK

58

Right Cornering Lamp Supply Voltage

C

ORN

57

Left Cornering Lamp Supply Voltage

D

YEL

685

Left Turn Signal Lamp Supply Voltage

E

--

--

Not Used

F

TAN

686

Right Turn Signal Lamp Supply Voltage

G

WHT

111

Hazard Switch Signal

H

ORN

540

Battery Positive Voltage

Underhood Lamp


Object Number: 35437 Size: CH

Connector Part Information
    • 12052635
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

709

Left Park Lamp Supply Voltage

B

BLK

350

Ground

Vanity Mirrors - Left and 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

BLK

650

Ground

B

ORN

1732

Courtesy Lamps Supply Voltage