GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Lighting Systems Connector End Views
Table 1: Ambient Light Sensor
Table 2: Ashtray Lamp
Table 3: Back-Up Lamp, RH/LH
Table 4: Front Vanity Mirrors
Table 5: Garage Door Opener
Table 6: Headlamp Switch
Table 7: IP Compartment Lamp Switch
Table 8: Lamp Control Module (LCM) C1
Table 9: Lamp Control Module (LCM) C2
Table 10: Left Front Side Marker Lamp
Table 11: Left Rear Side Marker Lamp
Table 12: LH Cornering Lamp
Table 13: LH Footwell Courtesy Lamp
Table 14: LH Front Park/Turn Signal Lamp
Table 15: LH High Beam Headlamp
Table 16: LH Low Beam Headlamp
Table 17: LH Tail/Signal Lamp
Table 18: LH Tail/Stop Lamp
Table 19: License Lamp
Table 20: Panel Dimming Module (PDM) 3
Table 21: Reading Lamp Switch, Left Front
Table 22: Reading Lamp Switch, Left Rear
Table 23: Reading Lamp Switch, Right Front
Table 24: Reading Lamp Switch, Right Rear
Table 25: Rear Compartment Lamp
Table 26: Rear Compartment Lid Latch Switch
Table 27: RH Cornering Lamp
Table 28: RH Footwell Courtesy Lamp
Table 29: RH Front Park/Turn Signal Lamp
Table 30: RH High Beam Headlamp
Table 31: RH Low Beam Headlamp
Table 32: RH Tail/Signal Lamp
Table 33: RH Tail/Stop Lamp
Table 34: Right and Left Front Door Courtesy Lamps
Table 35: Right and Left Rear Door Courtesy Lamps
Table 36: Right Front Side Marker Lamp
Table 37: Right Rear Side Marker Lamp
Table 38: Stoplamp/BTSI Switch C1
Table 39: Stoplamp/BTSI Switch C2
Table 40: Turn Signal Flasher
Table 41: Underhood Lamp

Ambient Light Sensor


Object Number: 258623 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

WHT

278

Photocell Signal

B

BLK/WHT

351

Ground-Clean

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 Feed

B

BLK

450

Ground

Back-Up Lamp, RH/LH


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

Back-Up Lamp Feed

B

--

--

Not Used

G

BLK

650

Ground

Front Vanity Mirrors


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

Electronic Control Unit Output-12 Volt-Parasitic Load Control

Garage Door Opener


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

BCM Output-12 Volt-Inadvertent Load Control

B

BRN

241

Ignition Positive Voltage

C

BLK

650

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

IP Lamp Feed

C

DK GRN

44

IP Lamps Dimmer Switch Output

D

WHT

103

Headlamps Signal - ON

E

GRY/BLK

308

Parklamp Switch Signal - ON

F

DK BLU/WHT

1495

Courtesy Lamp Switch Output

G

--

--

Not Used

H

PPL

1783

Twilight Sentinel Delay Signal

J

BLK/WHT

351

Ground

K-M

--

--

Not Used

IP 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

IP Compartment Lamp Feed

B

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 Feed

B

LT GRN

11

High Beam Headlamp Feed

C

ORN

1640

Fused Output (Battery)

D

DK BLU

593

DRL High Beam Headlamp Feed

E

BLK

350

Ground

F

TAN

12

Low Beam Headlamp Feed

G

RED

1242

Fused Output (Battery)

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 Independent Lamp Feed (DRL)

A3-A4

--

--

Not Used

A5

WHT

278

Photocell Signal

A6

PPL

1783

Twilight Sentinel Delay Signal

A7

PNK

39

Fused Output (IGN)

A8

LT GRN

275

Neutral Safety Switch Output (PARK)

A9

PPL

524

Headlamp Dimmer Switch Output (High Beam)

A10-A12

--

--

Not Used

B1

--

--

Not Used

B2

YEL

390

DIM Enable Output

B3

PPL/WHT

549

Headlamp Switch Signal (Headlamps OFF)

B4

BLK/WHT

351

Ground

B5

BLK/WHT

351

Ground

B6-B8

--

--

Not Used

B9

YEL

307

Headlamp Switch Output (Flash to Pass)

B10

WHT

103

Headlamp Switch Signal (Headlamps ON)

B11

GRY/BLK

308

Park Lamp Switch Signal (Park Lamps ON)

B12

BLK/WHT

624

Vehicle Anti-Theft System Signal (Headlamp Alarm)

Left Front Side Marker Lamp


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

Turn Signal Lamp Feed - Left

B

YEL

685

Park Lamp Feed - Left

Left Rear Side Marker Lamp


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

Park Lamp Feet-Left

B

BLK

550

Ground

LH Cornering Lamp


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

Cornering Lamp Feed - Left

G

BLK

150

Ground

LH Footwell Courtesy Lamp


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

BCM Output-12 Volt Inadvertent Load Control

B

GRY

157

Interior Lamp Output

LH Front Park/Turn Signal Lamp


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

Turn Signal Lamp Feed-Left

B

PPL

709

Park Lamp Feed-Left

G

BLK

150

Ground

LH High Beam Headlamp


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

711

High Beam Headlamp Feed - Left

B

BLK/WHT

150

Ground

LH Low Beam Headlamp


Object Number: 35444 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL

712

Low Beam Headlamp Feed - Left

B

BLK/WHT

150

Ground

LH Tail/Signal Lamp


Object Number: 95769 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

Turn Signal Lamp Feed-Left

B

PPL

709

Park Lamp Feed-Left

G

BLK

650

Ground

LH Tail/Stop Lamp


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

YEL

20

Stop Lamp Feed

B

BRN/WHT

709

Park Lamp Feed - Left

G

BLK

550

Ground

License Lamp


Object Number: 405637 Size: CH

Connector Part Information
    • pe058322
    • 2 Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

309

Park Lamp Feed-Right

B

BLK

650

Ground

Panel Dimming Module (PDM) 3


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

IP Lamp Switch Output

E

--

--

Not Used

F

GRY

8

IP Lamp Feed

G

--

--

Not Used

H

BRN

9

Parklamp Feed

J

--

--

Not Used

K

BLK

450

Ground

Reading Lamp Switch, Left Front


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 Output

B

BLK

650

Ground

C

DK BLU

660

Courtesy Lamp Output, Left Side

Reading Lamp Switch, Left Rear


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 Output

B

BLK

650

Ground

C

DK GRN

522

Courtesy Lamp Output, Right Side

Reading Lamp Switch, Right Front


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 Output

B

BLK

650

Ground

C

LT BLU

661

Courtesy Lamp Output, Right Side

Reading Lamp Switch, Right Rear


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 Output

B

BLK

650

Ground

C

DK GRN

523

Reading Lamp Output, Right Side

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 Output

C

ORN

1732

Body Control Module Output-12 Volt Inadvertent Load Control

Rear Compartment Lid Latch Switch


Object Number: 38600 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

744

Switch Signal

B

ORN/BLK

737

Lamp Output, Rear Compartment

C

BLK

650

Ground

RH Cornering Lamp


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

Cornering Lamp Feed - RH

G

BLK

250

Ground

RH Footwell Courtesy Lamp


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

BCM Output-12 Volt Inadvertent Load Control

B

WHT

156

Courtesy Lamp Output

RH Front Park/Turn Signal Lamp


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

Turn Signal Lamp Feed - Right

B

BRN/WHT

309

Park Lamp Feed - Right

G

BLK

250

Ground

RH High Beam Headlamp


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

311

High Beam Headlamp Feed - Right

B

BLK/WHT

250

Ground

RH Low Beam Headlamp


Object Number: 35444 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL

312

Low Beam Headlamp Feed - Right

B

BLK/WHT

250

Ground

RH Tail/Signal Lamp


Object Number: 95769 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

Turn Signal Lamp Feed - Right

B

BRN/WHT

309

Park Lamp Feed - Right

G

BLK

650

Ground

RH Tail/Stop Lamp


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

DK GRN

20

Stop Lamp Feed

B

BRN/WHT

309

Park Lamp Feed - Right

G

BLK

650

Ground

Right and Left Front Door Courtesy Lamps


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

Electronic Control Unit Output-12 Volt-Inadvertent Load Control

B

WHT

156

Courtesy Lamp Output

Right and Left Rear Door Courtesy Lamps


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

Electronic Control Unit Output-12 Volt-Inadvertent Load Control

B

WHT

156

Courtesy Lamp Output

Right Front Side Marker Lamp


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

Turn Signal Lamp Feed-Right

B

BRN/WHT

309

Park Lamp Feed-Right

Right Rear Side Marker Lamp


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

Park Lamp Feed-Right

B

BLK

650

Ground

Stoplamp/BTSI Switch C1


Object Number: 40397 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

275

Neutral Safety Switch Output (Park)

B

DK GRN/WHT

1135

BTSI Solenoid Feed

C-D

--

--

Not Used

Stoplamp/BTSI 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

Stoplamp Feed

Turn Signal Flasher


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

Cornering Lamp Feed, Right Side

C

ORN

57

Cornering Lamp Feed, Left Side

D

YEL

685

Turn Signal Lamp Feed, Left Side

E

--

--

Not Used

F

TAN

686

Turn Signal Lamp Feed, Right Side

G

WHT

111

Hazard Switch Signal

H

ORN

540

Fused Output Battery

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

WHT

709

Park Lamp Feed - Left

B

BLK

350

Ground