GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 LaCrosse 🢒 Body 🢒 Wiring Systems 🢒 Lighting Systems Connector End Views
Table 1: Ambient Light Sensor (C67)
Table 2: Backup Lamp - Left
Table 3: Backup Lamp - Right
Table 4: Brake Pedal Position Sensor
Table 5: Center High Mounted Stop Lamp (CHMSL)
Table 6: Dome/Reading Lamp - Left
Table 7: Dome/Reading Lamp - Right
Table 8: Fog Lamp - Left (T96)
Table 9: Fog Lamp - Right (T96)
Table 10: Headlamp - High Beam - Left
Table 11: Headlamp - High Beam - Right
Table 12: Headlamp - Low Beam - Left
Table 13: Headlamp - Low Beam - Right
Table 14: I/P Compartment Lamp Switch
Table 15: I/P Courtesy Lamp - Left
Table 16: I/P Courtesy Lamp - Right
Table 17: Lamp Assembly Switch
Table 18: License Lamp - Left
Table 19: License Lamp - Right
Table 20: Marker Lamp - LF
Table 21: Marker Lamp - LR
Table 22: Marker Lamp - RF
Table 23: Marker Lamp - RR
Table 24: Park/Turn Signal Lamp - LF
Table 25: Park/Turn Signal Lamp - RF
Table 26: PRNDL Lamp
Table 27: Rear Compartment Courtesy Lamp
Table 28: Sunload Sensor Assembly (CJ2)
Table 29: Tail Lamp - Left - Lower
Table 30: Tail Lamp - Left - Upper
Table 31: Tail Lamp - Right - Lower
Table 32: Tail Lamp - Right - Upper
Table 33: Tail/Stop and Turn Signal Lamp - Left
Table 34: Tail/Stop and Turn Signal Lamp - Right
Table 35: Turn Signal/Multifunction Switch C1
Table 36: Turn Signal/Multifunction Switch C2
Table 37: Turn Signal/Multifunction Switch C3
Table 38: Vanity Mirror Lamp - Left (DH6)
Table 39: Vanity Mirror Lamp - Right (DH6)

Ambient Light Sensor (C67)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1137

DRL Ambient Light Sensor Signal

B

BK/WH

1551

Ground

Backup Lamp - Left


Object Number: 877923 Size: CH

Connector Part Information
    • OEM: 16530675 (AFL)
    • Service: See Catalog
    • 2-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

D-GN

24

Backup Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Backup Lamp - Right


Object Number: 877923 Size: CH

Connector Part Information
    • OEM: 16530675 (AFL)
    • Service: See Catalog
    • 2-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

D-GN

24

Backup Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Brake Pedal Position Sensor


Object Number: 1243663 Size: CH

Connector Part Information
    • OEM: 15332132
    • Service: 88953364
    • 3-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

598

10-Volt Reference

B

L-GN

526

Stop Lamp Switch Signal

C

BK

552

Low Reference

Center High Mounted Stop Lamp (CHMSL)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

1

Stop Lamp Switch Signal

B

BK

2

Ground

Dome/Reading Lamp - Left


Object Number: 333035 Size: CH

Connector Part Information
    • OEM: 12047781
    • Service: 12101864
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp (DH6)

B

BK

750

Ground

C

GY/BK

690

Courtesy Lamp Supply Voltage

Dome/Reading Lamp - Right


Object Number: 333035 Size: CH

Connector Part Information
    • OEM: 12047781
    • Service: 12101864
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp (DH6)

B

BK

750

Ground

C

GY/BK

690

Courtesy Lamp Supply Voltage

Fog Lamp - Left (T96)


Object Number: 1413064 Size: CH

Connector Part Information
    • OEM: 12124819
    • Service: 12085498
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamps Supply Voltage

B

BK

1250

Ground

Fog Lamp - Right (T96)


Object Number: 1413064 Size: CH

Connector Part Information
    • OEM: 12124819
    • Service: 12085498
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamps Supply Voltage

B

BK

1250

Ground

Headlamp - High Beam - Left


Object Number: 684797 Size: CH

Connector Part Information
    • OEM: 12059183
    • Service: See Catalog
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN/BK

711

Left Headlamp High Beam Supply Voltage

B

BK

1350

Ground

BK

1350

Ground

Headlamp - High Beam - Right


Object Number: 684797 Size: CH

Connector Part Information
    • OEM: 12059183
    • Service: See Catalog
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN/BK

311

Right Headlamp High Beam Supply Voltage

B

BK

150

Ground

BK

150

Ground

Headlamp - Low Beam - Left


Object Number: 684797 Size: CH

Connector Part Information
    • OEM: 12059183
    • Service: See Catalog
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

712

Left Headlamp Low Beam Supply Voltage

B

BK

1350

Ground

Headlamp - Low Beam - Right


Object Number: 684797 Size: CH

Connector Part Information
    • OEM: 12059183
    • Service: See Catalog
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

312

Right Headlamp Low Beam Supply Voltage

B

BK

150

Ground

I/P Compartment Lamp Switch


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

1450

Ground

I/P Courtesy Lamp - Left


Object Number: 365949 Size: CH

Connector Part Information
    • OEM: 12084388
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W-2 (BK)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

690

Courtesy Lamp Supply Voltage

B

BK

1450

Ground

I/P Courtesy Lamp - Right


Object Number: 365949 Size: CH

Connector Part Information
    • OEM: 12084388
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W-2 (BK)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

690

Courtesy Lamp Supply Voltage

B

BK

1450

Ground

Lamp Assembly Switch


Object Number: 684891 Size: CH

Connector Part Information
    • OEM: 15324433 (Delphi)
        IL-AG5-185-D3C1 (JAE)
    • Service: 15324433
    • 18-Way F Socket Housing (GN)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

230

I/P Dimming Return

2

PK/BK

1597

Courtesy Lamps Switch On Signal

3

--

--

Not Used

4

GY/BK

1598

I/P Dimming Return

5

WH

103

Headlamp Switch Headlamps On Signal

6

BN/WH

301

Park Lamp Switch On Signal

7

OG

192

Front Fog Lamp Switch Signal (T96)

8

--

--

Not Used

9

PK

1444

I/P Dimming Control

10

RD/WH

812

I/P Dimming Voltage Reference

11-12

--

--

Not Used

13

BK

1450

Ground

14

GY

8

Instrument Panel Lamp Supply Voltage

15-16

--

--

Not Used

17

BK/WH

1551

Ground

18

L-BU

1872

Exterior Lamps Off Input

License Lamp - Left


Object Number: 744036 Size: CH

Connector Part Information
    • OEM: 12110053
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W-2 (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

14

Tail/License Lamps Supply Voltage

B

D-BU

150

Ground

License Lamp - Right


Object Number: 744036 Size: CH

Connector Part Information
    • OEM: 12110053
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W-2 (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

14

Tail/License Lamps Supply Voltage

B

D-GN

150

Ground

Marker Lamp - LF


Object Number: 1199757 Size: CH

Connector Part Information
    • OEM: 15317651
    • Service: See Catalog
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

1350

Ground

Marker Lamp - LR


Object Number: 1199757 Size: CH

Connector Part Information
    • OEM: 15317651
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W2 (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

550

Ground

Marker Lamp - RF


Object Number: 1199757 Size: CH

Connector Part Information
    • OEM: 15317651
    • Service: See Catalog
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

1250

Ground

Marker Lamp - RR


Object Number: 1199757 Size: CH

Connector Part Information
    • OEM: 15317651
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W2 (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

B

BK

750

Ground

Park/Turn Signal Lamp - LF


Object Number: 847206 Size: CH

Connector Part Information
    • OEM: 12040977
    • Service: 12085492
    • 3-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

B

BN

9

Park Lamp Supply Voltage

C

BK

1250

Ground

Park/Turn Signal Lamp - RF


Object Number: 847206 Size: CH

Connector Part Information
    • OEM: 12040977
    • Service: 12085492
    • 3-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/WH

1314

Right Front Turn Signal Lamp Supply Voltage

B

BN

9

Park Lamp Supply Voltage

C

BK

1250

Ground

PRNDL Lamp


Object Number: 407137 Size: CH

Connector Part Information
    • OEM: 12162711
    • Service: See Catalog
    • 2-Way Lamp Socket Wedge Base W2 (BK)

Pin

Wire Color

Circuit No.

Function

A

BU

8

Instrument Panel Lamp Supply Voltage

B

BU

550

Ground

Rear Compartment Courtesy Lamp


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

OG/BK

737

Rear Compartment Courtesy Lamp Switch

Sunload Sensor Assembly (CJ2)


Object Number: 130637 Size: CH

Connector Part Information
    • OEM: 12064760
    • Service: 12085208
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

590

Driver Sunload Sensor Signal

B

GY

1548

Passenger Sunload Sensor Signal

C

BK/WH

1551

Ground

D

L-GN/BK

1137

DRL Ambient Light Sensor Signal

Tail Lamp - Left - Lower


Object Number: 877923 Size: CH

Connector Part Information
    • OEM: 16530675 (AFL)
    • Service: See Catalog
    • 2-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Tail Lamp - Left - Upper


Object Number: 877923 Size: CH

Connector Part Information
    • OEM: 16530675 (AFL)
    • Service: See Catalog
    • 2-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Tail Lamp - Right - Lower


Object Number: 877923 Size: CH

Connector Part Information
    • OEM: 16530675 (AFL)
    • Service: See Catalog
    • 2-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Tail Lamp - Right - Upper


Object Number: 877923 Size: CH

Connector Part Information
    • OEM: 16530675 (AFL)
    • Service: See Catalog
    • 2-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

BK

150

Ground

BK

150

Ground

Tail/Stop and Turn Signal Lamp - Left


Object Number: 877925 Size: CH

Connector Part Information
    • OEM: 16530671 (AFL)
    • Service: See Catalog
    • 3-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

YE

18

Left Rear Stop/Turn Lamp Supply Voltage

G

BK

150

Ground

BK

150

Ground

Tail/Stop and Turn Signal Lamp - Right


Object Number: 877925 Size: CH

Connector Part Information
    • OEM: 16530671 (AFL)
    • Service: See Catalog
    • 3-Way Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B

YE

18

Right Rear Stop/Turn Lamp Supply Voltage

G

BK

150

Ground

BK

150

Ground

Turn Signal/Multifunction Switch C1


Object Number: 130718 Size: CH

Connector Part Information
    • OEM: 12059800
    • Service: 15306169
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1356

Flash To Pass Switch Signal

B-C

--

--

Not Used

D

BK/WH

1551

Ground

E

PU

524

Headlamp Dimmer Switch High Beam Signal

Turn Signal/Multifunction Switch C2


Object Number: 39746 Size: CH

Connector Part Information
    • OEM: 12064862
    • Service: 12126438
    • 8-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A-E

--

--

Not Used

F

L-BU/WH

1414

Left Turn Signal Switch Signal

G

BK/WH

1551

Ground

H

D-BU/WH

1415

Right Turn Signal Switch Signal

Turn Signal/Multifunction Switch C3


Object Number: 811190 Size: CH

Connector Part Information
    • OEM: 15339058
    • Service: See Catalog
    • 7-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

G

--

--

Not Used

H

BK/WH

1251

Ground

J

PK

94

Windshield Washer Switch Signal

K

L-GN

1715

Windshield Wiper Switch High Signal

L

L-BU

1714

Windshield Wiper Switch Low Signal

M-N

--

--

Not Used

Vanity Mirror Lamp - Left (DH6)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground

Vanity Mirror Lamp - Right (DH6)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Power Courtesy Lamp

B

BK

750

Ground