GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Century 🢒 Body and Accessories 🢒 Cruise Control 🢒 Lighting Systems Connector End Views
Table 1: Backup Lamp Relay
Table 2: Center High Mount Stop Lamp (CHMSL)
Table 3: Console Compartment Lamp Switch
Table 4: Daytime Running Lamp Ambient Light Sensor
Table 5: Daytime Running Lamp (DRL) Control Module C1
Table 6: Daytime Running Lamp (DRL) Control Module C2
Table 7: Dome Lamp
Table 8: Door Courtesy Lamp, LF
Table 9: Door Lock, LF, C1 (Ajar Indicator Switch)
Table 10: Door Lock, LR, C1 (Ajar Indicator Switch)
Table 11: Door Lock, RF, C1 (Ajar Indicator Switch)
Table 12: Door Lock, RR, C1 (Ajar Indicator Switch)
Table 13: Left Fog Lamp
Table 14: Right Fog Lamp
Table 15: Fog Lamp Switch
Table 16: Hazard Lamp/Turn Signal Lamp Flasher
Table 17: Headlamp Switch
Table 18: Instrument Panel Compartment Lamp Switch
Table 19: Inside Rearview Mirror (Lighted)
Table 20: Roof Rail Courtesy/Reading Lamps
Table 21: Rear Compartment Lid Ajar Indicator Switch
Table 22: Sunshade Mirror Lamps (Left and Right)
Table 23: Stop Lamp Switch, C1
Table 24: Stop Lamp Switch, C2

Backup Lamp Relay


Object Number: 309518 Size: CH

Connector Part Information
    • 12129715
    • 6-Way F Metric-Pack 280 Series Flex Lock (GRY)

Pin

Wire Color

Circuit No.

Function

A1

DK BLU

38

Fused Output-Battery

A2

LT GRN

24

Backup Lamp Feed

B1-2

-

-

Not Used

C1

ORN/BLK

840

Fused Output-Battery

C2

ORN

840

Backup Lamp Relay Feed-Coil

Center High Mount Stop Lamp (CHMSL)


Object Number: 405580 Size: CH

Connector Part Information
    • 08911772
    • 2-Way F Metric-Pack PAC/CON(BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Feed

B

BLK

350

Ground

Console Compartment Lamp Switch


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way F Metric-Pack 280 Series Flex Lock (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

ECU Output-12 Volts

B

PPL

635

Console Lamp Feed

Daytime Running Lamp Ambient Light Sensor


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

1138

DRL Photocell Return

B

LT GRN/BLK

1137

DRL Photocell Signal

Daytime Running Lamp (DRL) Control Module C1


Object Number: 62469 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1340

Fused Battery Feed

B

LT BLU

14

Turn Signal Lamp Feed-LF

C

DK BLU

15

Trun Signal Lamp Feed-RF

D

YEL

10

Headlamp Switch Output

E

LT BLU/WHT

1414

Trun Siganl Switch Output-LF

F

BLK

1750

Ground

G

DK BLU/WHT

1415

Turn Signal Switch Output-RF

H

LT BLU

74

Parking Lamp Switch Output

Daytime Running Lamp (DRL) Control Module C2


Object Number: 62463 Size: CH

Connector Part Information
    • 12064766
    • 8-Way F Metric-Pack 280 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Ground

B

PNK/WHT

1970

Day/Night Headlamp Delay Control

C

PNK

1239

Fused Ignition 1 Feed

D

ORN/BLK

233

Parking Brake Switch Signal-Alarm

E

LT BLU

1830

Parking Brake Input

F

BRN

41

Fused Ignition 3 Feed

G

LT GRN/BLK

1137

DRL Ambient Light Sensor Input

H

YEL/BLK

1138

DRL Ambient Light Sensor Ground

Dome Lamp


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

ECU Output-12 Volts

B

GRY

157

Courtesy Lamp Output

Door Courtesy Lamp, LF


Object Number: 82383 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

ECU Output-12 Volts

B

WHT

156

Courtesy Lamp Output

Door Lock, LF, C1 (Ajar Indicator Switch)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4-Way F Metric-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

Not Used

B

DK BLU

727

Door Latch Signal-Secondary

C

DK BLU/WHT

49

Door Ajar Signal

D

BLK

750

Ground

Door Lock, LR, C1 (Ajar Indicator Switch)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4-Way F Metric-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

DK BLU/WHT

727

Door Latch Signal-Secondary

C

--

--

Not Used

D

BLK

750

Ground

Door Lock, RF, C1 (Ajar Indicator Switch)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4-Way F Metric-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

750

Ground

B

--

--

Not Used

C

DK BLU/WHT

727

Door Latch Signal-Secondary

D

--

--

Not Used

Door Lock, RR, C1 (Ajar Indicator Switch)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4-Way F Metric-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

750

Ground

B

--

--

Not Used

C

DK BLU/WHT

727

Door Latch Signal-Secondary

D

--

--

Not Used

Left Fog Lamp


Object Number: 35430 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

34

Fog Lamp Feed

B

BLK

1350

Ground

Right Fog Lamp


Object Number: 35430 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PPL

34

Fog Lamp Feed

B

BLK

1350

Ground

Fog Lamp Switch


Object Number: 258245 Size: CH

Connector Part Information
    • 12065872
    • 7-Way F Metric-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BLK

1750

Ground

3

PPL

34

Fog Lamp Feed

4

ORN

192

Fog Lamp Switch Output-Front

5

GRY

8

Interior Lamp Dim Signal

6

--

--

Not Used

7

DK GRN/WHT

1317

Fog Lamp Relay Output-Coil

Hazard Lamp/Turn Signal Lamp Flasher


Object Number: 281201 Size: CH

Connector Part Information
    • 12110541
    • 6-Way F Metric-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

1508

Turn Signal Lamp/Hazard Lamp Flasher Feed

A2-B1

--

--

Not Used

B2

BLK

1750

Ground

C1

PPL

16

Turnb Signal Flasher Output

C2

--

--

Not Used

Headlamp Switch


Object Number: 283847 Size: CH

Connector Part Information
    • 12129431
    • 16-Way F ACT 280 Series Sealed(BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1750

Ground

B-C

--

--

Not Used

D

YEL

10

Headlamp Switch Output

E

ORN

1340

Fused Battery Feed

F

LT BLU

1872

Parking Lamp OFF Signal

G

LT BLU

74

Parking Lamp Switch Output

H

--

--

Not Used

J

GRY

8

Instrument Panel Lamp Feed

K-L

--

--

Not Used

M

DK BLU/WHT

1495

Courtesy Lamp Switch Output-N.C.Contact

N

BLK

1750

Ground

P

BLK

1750

Ground

R

GRY

8

Instrument Panel Lamp Feed

S

YEL

32

Fused Interior Lamp Dim Signal

Instrument Panel Compartment Lamp Switch


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

Fused Output-12 Volts

B

BLK

1450

Ground

Inside Rearview Mirror (Lighted)


Object Number: 39660 Size: CH

Connector Part Information
    • 12047785
    • 4-Way F Metric-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

157

Interior Lamp Output

B

BLK

850

Ground

C

ORN

1732

Courtesy Lamp Battery Feed

D

--

--

Not Used

Roof Rail Courtesy/Reading Lamps


Object Number: 333035 Size: CH

Connector Part Information
    • 12047781
    • 3-Way F Metric-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Reference-12 Volts

B

GRY

157

Interor Lamp Output

C

BLK

850

Ground

Rear Compartment Lid Ajar Indicator Switch


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

350

Ground

B

ORN/BLK

737

Trunk Lamp Output

C

--

--

Not Used

Sunshade Mirror Lamps (Left and Right)


Object Number: 523637 Size: CH

Connector Part Information
    • 12162486
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN

1732

Interior Lamp Relay Output-Coil

2

BLK

850

Ground

Stop Lamp Switch, C1


Object Number: 73251 Size: CH

Connector Part Information
    • 12033701
    • 2-Way F Metric-Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

140

Fused Battery Feed

B

WHT

17

Stop Lamp Switch Ouput

Stop Lamp Switch, C2


Object Number: 40397 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PNK

1439

Fused Output IGN 1

B

DK GRN/WHT

1135

Stop Lamp Switched BTSI Feed

C

PNK

339

Fused IGN 1 Feed

D

PPL

420

Stop Lamp Switched Torque Converter Clutch (TCC) Control