GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Lighting Systems Connector End Views
Table 1: Ashtray Lamp
Table 2: Backup Lamp - Left
Table 3: Backup Lamp - Right
Table 4: Center High Mount Stop Lamp (CHMSL)
Table 5: Cornering Lamp - Left
Table 6: Cornering Lamp - Right
Table 7: Courtesy Lamp - Console
Table 8: Courtesy Lamp Switch - Left
Table 9: Courtesy Lamp Switch - Right
Table 10: Daytime Running Lamp (DRL) Resistor
Table 11: Door Courtesy Lamp - LF
Table 12: Door Courtesy Lamp - LR
Table 13: Door Courtesy Lamp - RF
Table 14: Door Courtesy Lamp - RR
Table 15: Fog Lamp - LF
Table 16: Fog Lamp - RF
Table 17: Fuse Block - Trailer Harness
Table 18: Hazard Switch
Table 19: Headlamp Dimmer Switch
Table 20: Headlamp Switch
Table 21: Headlamp - High Beam - Left
Table 22: Headlamp - High Beam - Right
Table 23: Headlamp - Low Beam - Left
Table 24: Headlamp - Low Beam - Right
Table 25: IP Compartment Lamp
Table 26: IP Compartment Lamp Switch
Table 27: License Lamp (Domestic)
Table 28: License Lamp (Export)
Table 29: Marker Lamp- Left
Table 30: Marker Lamp- Right
Table 31: Overhead Console Courtesy Lamp
Table 32: Park/Turn Lamp - LF
Table 33: Park/Turn Lamp - RF
Table 34: Position Lamp - Left (Export)
Table 35: Position Lamp - Right (Export)
Table 36: Rear Compartment Lamp
Table 37: Repeater Lamp - Left (Export)
Table 38: Repeater Lamp - Right (Export)
Table 39: Stop Lamp/AT Shiftlock Control Switch -- C1
Table 40: Stop Lamp/AT Shift Lock Control Switch C2
Table 41: Stop Lamp Switch
Table 42: Sunload Sensor Assembly
Table 43: Tail Lamp - Left (Domestic)
Table 44: Tail Lamp - Left (Export)
Table 45: Tail Lamp - Right (Domestic)
Table 46: Tail Lamp - Right (Export)
Table 47: Turn Signal/Hazard Flasher Module
Table 48: Turn Signal Switch
Table 49: Underhood Lamp
Table 50: Vanity Mirror Lamp - LR (w/UD7 & W20)
Table 51: Vanity Mirror Lamp- Right
Table 52: Vanity Mirror Lamp - Left
Table 53: Vanity Mirror Lamp - RR (w/UD7 & W20)

Ashtray Lamp


Object Number: 38556 Size: CH

Connector Part Information
    • 12124722
    • 2-Way Lamp Socket Wedge Base W2 (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

1491

Backlight Lamps Control

B

BLK

450

Ground

Backup Lamp - Left


Object Number: 38605 Size: CH

Connector Part Information
    • 12160394
    • 2-Way Lamp Socket Wedge Base W3 Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

RED

900

Backup Lamp Sockets Jumper

G

BLK

850

Ground

Backup Lamp - Right


Object Number: 38605 Size: CH

Connector Part Information
    • 12160394
    • 2-Way Lamp Socket Wedge Base W3 Right Angle (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

RED

900

Backup Lamp Sockets Jumper

G

BLK

850

Ground

Center High Mount Stop Lamp (CHMSL)


Object Number: 35441 Size: CH

Connector Part Information
    • 12064762
    • 2-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

BLK

850

Ground

Cornering Lamp - Left


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

57

Left Cornering Lamp Supply Voltage

B

DK GRN/WHT

999

Cornering Lamp-Right

C

BLK

250

Ground

Cornering Lamp - Right


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

58

Right Cornering Lamp Supply Voltage

B

DK GRN/WHT

999

Cornering Lamp-Left

C

BLK

250

Ground

Courtesy Lamp - Console


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

GRY/BLK

690

Front Interior Lamp Control

Courtesy Lamp Switch - Left


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1393

Rear Interior Lamp Control

B

BLK

850

Ground

C

LT GRN

522

Reading Lamp Control - Left

Courtesy Lamp Switch - Right


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1393

Rear Interior Lamp Control

B

BLK

850

Ground

C

DK GRN

523

Reading Lamp Control - Right

Daytime Running Lamp (DRL) Resistor


Object Number: 68721 Size: CH

Connector Part Information
    • 15300027
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1200

DRL Control

B

LT GRN

838

DRL Resistor Signal

Door Courtesy Lamp - LF


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

GRY/BLK

690

Front Interior Lamp Control

Door Courtesy Lamp - LR


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

DK BLU

1393

Rear Interior Lamp Control

Door Courtesy Lamp - 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

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

GRY/BLK

690

Front Interior Lamp Control

Door Courtesy Lamp - 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

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

DK BLU

1393

Rear Interior Lamp Control

Fog Lamp - LF


Object Number: 35430 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PPL

34

Fog Lamps Supply Voltage

B

BLK

4050

Ground

Fog Lamp - RF


Object Number: 35430 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PPL

34

Fog Lamps Supply Voltage

B

BLK

4050

Ground

Fuse Block - Trailer Harness


Object Number: 258166 Size: CH

Connector Part Information
    • 12052472
    • Fuse Block (BLK)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

B1

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

B2

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

C1

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

C2

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

D1

PPL

709

Left Park Lamp Supply Voltage

D2

PPL

709

Left Park Lamp Supply Voltage

Hazard Switch


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

2144

Hazard Switch Signal

B

WHT

111

Hazard Switch Signal

C

BLK

450

Ground

D

LT BLU

14

Left Turn Signal Lamps Supply Voltage

E

YEL

1491

Backlight Lamps Control

F

--

--

Not Used

Headlamp Dimmer Switch


Object Number: 130718 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

1484

Flash To Pass Switch Signal

B

BLK/WHT

451

Ground

C

PNK/WHT

1970

Headlamp Low Beam Relay Control

D

LT BLU

1485

Headlamp Control

E

BLK/WHT

1969

Headlamp Relay Control

Headlamp Switch


Object Number: 73152 Size: CH

Connector Part Information
    • 12084944
    • 16-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

ORN

192

Front Fog Lamp Switch Signal

A2

BLK/WHT

351

Ground

A3

--

--

Not Used

A4

LT GRN

1431

Left Park Lamp Relay Control (Export)

A5

WHT

103

Headlamp Switch Headlamps On Signal

A6

DK BLU

1432

Right Park Lamp Relay Control (Export)

A7

--

--

Not Used

A8

BRN/WHT

301

Park Lamp Switch On Signal

B1

LT BLU/BLK

1688

5 Volt Reference

B2

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

B3

YEL

61

Low Reference

B4

PNK/BLK

1597

Courtesy Lamps Switch On Signal

B5

PPL

1783

Twilight Sentinel Delay Signal

B6

BLK

1576

Rear Compartment Release Switch Signal

B7

YEL

1491

Backlight Lamps Control

B8

PNK/WHT

1447

Fuel Door Release Switch Signal

Headlamp - High Beam - Left


Object Number: 35447 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

711

Left Headlamp High Beam Supply Voltage

B

BLK

2050

Ground

Headlamp - High Beam - Right


Object Number: 684797 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

311

Right Headlamp High Beam Supply Voltage

B

BLK

250

Ground

Headlamp - Low Beam - Left


Object Number: 35444 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL

712

Left Headlamp Low Beam Supply Voltage

B

BLK

2050

Ground

Headlamp - Low Beam - Right


Object Number: 35444 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL

312

Right Headlamp Low Beam Supply Voltage

B

BLK

2050

Ground

IP Compartment Lamp


Object Number: 258620 Size: CH

Connector Part Information
    • 12162222
    • 2-Way Lamp Socket Wedge Base W2 (WHT)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

DK BLU/WHT

148

Courtesy Lamp Supply Voltage

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

BLK

450

Ground

B

DK BLU/WHT

148

Courtesy Lamp Supply Voltage

License Lamp (Domestic)


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

B

BLK

850

Ground

License Lamp (Export)


Object Number: 82383 Size: CH

Connector Part Information
    • 12059247
    • 2-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

B

BLK

850

Ground

Marker Lamp- Left


Object Number: 603060 Size: CH

Connector Part Information
    • 15324315
    • 2-Way Lamp Socket (BLK)

Pin

Wire Color

Circuit No.

Function

1

PPL

709

Left Park Lamp Supply Voltage

1

WHT

1204

Left Park Lamp Supply Voltage (Export)

2

BLK

250

Ground

Marker Lamp- Right


Object Number: 603060 Size: CH

Connector Part Information
    • 15324315
    • 2-Way Lamp Socket (BLK)

Pin

Wire Color

Circuit No.

Function

1

PPL

309

Right Park Lamp Supply Voltage

1

WHT

1203

Right Park Lamp Supply Voltage (Export)

2

BLK

250

Ground

Overhead Console Courtesy 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

BLK

850

Ground

B

GRY/BLK

690

Front Interior Lamp Control

C

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

Park/Turn Lamp - LF


Object Number: 38605 Size: CH

Connector Part Information
    • 12160394
    • 3-Way Lamp Socket Wedge Base (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Turn Signal Lamps Supply Voltage

B

PPL

709

Left Park Lamp Supply Voltage

G

BLK

250

Ground

Park/Turn Lamp - RF


Object Number: 38605 Size: CH

Connector Part Information
    • 12160394
    • 3-Way Lamp Socket Wedge Base (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

15

Right Turn Signal Lamps Supply Voltage

B

PPL

309

Right Park Lamp Supply Voltage

G

BLK

250

Ground

Position Lamp - Left (Export)


Object Number: 287977 Size: CH

Connector Part Information
    • 12110053
    • 2-Way Lamp Socket Wedge Base W2 (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

WHT

1204

Left Park Lamp Supply Voltage

Position Lamp - Right (Export)


Object Number: 287977 Size: CH

Connector Part Information
    • 12110053
    • 2-Way Lamp Socket Wedge Base W2 (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

PNK

1203

Right Park Lamp Supply Voltage

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

Rear Compartment Lamp Control

C

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

Repeater Lamp - Left (Export)


Object Number: 35447 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Turn Signal Lamps Supply Voltage

B

BLK

250

Ground

Repeater Lamp - Right (Export)


Object Number: 35447 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

LT BLU

15

Right Turn Signal Lamps Supply Voltage

B

BLK

250

Ground

Stop Lamp/AT Shiftlock Control Switch -- C1


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

1640

Battery Positive Voltage

B

WHT

17

Stop Lamp Switch Signal

Stop Lamp/AT Shift Lock Control Switch C2


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

Park Neutral Position Switch Park Signal

B

DK GRN/WHT

1135

A/T Shift Lock Control Solenoid Supply Voltage

C-D

--

--

Not Used

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

1039

Ignition 1 Voltage

B

PPL

420

TCC Brake Switch/Cruise Control Release Signal

PPL

420

TCC Brake Switch/Cruise Control Release Signal

C

PNK

1039

Ignition 1 Voltage

D

GRY

847

Extended Travel Brake Switch Signal

Sunload Sensor Assembly


Object Number: 130637 Size: CH

Connector Part Information
    • 12064760
    • 4-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

590

Driver Sunload Sensor Signal

B

GRY

1548

Passenger Sunload Sensor Signal

C

YEL

61

Low Reference

D

WHT

278

Ambient Light Sensor Signal

Tail Lamp - Left (Domestic)


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

B

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

C

BLK

850

Ground

D

YEL/BLK

1334

Left Tail Lamp Outage Detection Signal

E

GRY

1148

Transmission Shift Inhibit Signal

F

PPL

709

Left Park Lamp Supply Voltage

Tail Lamp - Left (Export)


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

B

WHT

17

Stop Lamp Switch Signal

C

BLK

850

Ground

D

YEL/BLK

1334

Left Tail Lamp Outage Detection Signal

E

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

F

WHT

1204

Left Park Lamp Supply Voltage

Tail Lamp - Right (Domestic)


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

C

BLK

1050

Ground

D

DK GRN/WHT

1335

Right Tail Lamp Outage Detection Signal

E

--

--

Not Used

F

BRN/WHT

309

Right Park Lamp Supply Voltage

Tail Lamp - Right (Export)


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

WHT

17

Stop Lamp Switch Signal

C

BLK

1050

Ground

D

DK GRN/WHT

1335

Right Tail Lamp Outage Detection Signal

E

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

F

PNK

1203

Right Park Lamp Supply Voltage

Turn Signal/Hazard Flasher Module


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1428

Left Turn Signal Switch Signal

B

WHT

111

Hazard Switch Signal

C

WHT

17

Stop Lamp Switch Signal

D

DK BLU

15

Right Turn Signal Lamps Supply Voltage

E

BLK

450

Ground

F

YEL/BLK

1334

Left Tail Lamp Outage Detection Signal

G

LT GRN

1427

Right Turn Signal Switch Signal

H

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

J

LT BLU

14

Left Turn Signal Lamps Supply Voltage

K

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

L

DK GRN/WHT

1335

Right Tail Lamp Outage Detection Signal

M

ORN

1740

Battery Positive Voltage

Turn Signal Switch


Object Number: 39746 Size: CH

Connector Part Information
    • 12177016
    • 8-Way F 150 Series Metri Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

58

Right Cornering Lamp Supply Voltage

B

--

--

Not Used

C

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

D

ORN

57

Left Cornering Lamp Supply Voltage

E

--

--

Not Used

F

DK GRN

1428

Left Turn Signal Switch Signal

G

PNK

1039

Ignition 1 Voltage

H

LT GRN

1427

Right Turn Signal Switch Signal

Underhood Lamp


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

B

BLK

150

Ground

Vanity Mirror Lamp - LR (w/UD7 & W20)


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

850

Ground

B

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

Vanity Mirror Lamp- Right


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

850

Ground

B

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

Vanity Mirror Lamp - Left


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

850

Ground

B

DK BLU/WHT

149

Courtesy Lamp Supply Voltage

Vanity Mirror Lamp - RR (w/UD7 & W20)


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

850

Ground

B

DK BLU/WHT

149

Courtesy Lamp Supply Voltage