GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ashtray Lamp
Connector 2: Backup Lamp - Left
Connector 3: Backup Lamp - Right
Connector 4: Backup Lamp Switch (Manual Transmission)
Connector 5: Center Dome Lamp
Connector 6: Center High Mounted Stop Lamp (CHMSL)
Connector 7: Diode
Connector 8: Door Step Lamp - Driver
Connector 9: Door Step Lamp - Passenger
Connector 10: Fog Lamp - Left Front
Connector 11: Fog Lamp - Right Front
Connector 12: Fog Lamp - Left Rear
Connector 13: Fog Lamp - Right Rear
Connector 14: Hazard Switch
Connector 15: Headlamp - Left
Connector 16: Headlamp - Left (w/Levelling)
Connector 17: Headlamp - Right
Connector 18: Headlamp - Right (w/Levelling)
Connector 19: Head Lamp Switch
Connector 20: I/P Compartment Lamp
Connector 21: I/P Compartment Lamp Switch
Connector 22: Key Reminder Switch
Connector 23: License Lamp
Connector 24: Multifunction Control Module (A)
Connector 25: Multifunction Control Module (B)
Connector 26: Multifunction Control Module (C)
Connector 27: Multifunction Switch (Head Lamp Levelling, Rear Fog Lamp)
Connector 28: Multifunction/Turn Signal Switch
Connector 29: PRNDL Lamp
Connector 30: Rear Compartment Lamp
Connector 31: Stop Lamp Switch
Connector 32: Tail Lamp - Left
Connector 33: Tail Lamp - Right
Connector 34: Turn Signal/Park Lamp - Left Front (w/o Levelling)
Connector 35: Turn Signal/Park Lamp - Right Front (w/o Levelling)
Connector 36: Turn Signal Lamp - Left Front (w/ Levelling)
Connector 37: Turn Signal Lamp - Right Front (w/ Levelling)
Connector 38: Vanity Lamp - Left
Connector 39: Vanity Lamp - Right

Ashtray Lamp


Object Number: 1497837  Size: CH

Connector Part Information

  • OEM: JC 60-1257
  • Service: N/A
  • Description: 2-Way F Connector (BK)

Ashtray Lamp

Pin

Wire Color

Circuit No.

Function

1

BN/WH

--

Dimmer PWM Output

2

D-GN

--

Ground

Backup Lamp - Left


Object Number: 1466986  Size: CH

Connector Part Information

  • OEM: AMP 174463-1
  • Service: N/A
  • Description: 2-Way M 070 Series Multilock 2P (WH)

Backup Lamp - Left

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

L-GN

--

Backup Lamp Supply Voltage

Backup Lamp - Right


Object Number: 1466986  Size: CH

Connector Part Information

  • OEM: AMP 174463-1
  • Service: N/A
  • Description: 2-Way M 070 Series Multilock 2P (WH)

Backup Lamp - Right

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

L-GN

--

Backup Lamp Supply Voltage

Backup Lamp Switch (Manual Transmission)


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: AK 07207
  • Service: N/A
  • Description: 2-Way F

Backup Lamp Switch (Manual Transmission)

Pin

Wire Color

Circuit No.

Function

1

PK

--

Ignition 1 Voltage

2

L-GN

--

Backup Lamp Supply Voltage

Center Dome Lamp


Object Number: 1265363  Size: CH

Connector Part Information

  • OEM: AMP 3685001
  • Service: N/A
  • Description: 3-Way F Connector

Center Dome Lamp

Pin

Wire Color

Circuit No.

Function

1

BN

--

Inadvertent Lamp Control

2

OG

--

Courtesy Lamp Control

3

BK

--

Ground

Center High Mounted Stop Lamp (CHMSL)


Object Number: 1467036  Size: CH

Connector Part Information

  • OEM: KET MG 610392
  • Service: N/A
  • Description: 2-Way F SDL Series (WH)

Center High Mounted Stop Lamp (CHMSL)

Pin

Wire Color

Circuit No.

Function

1

L-BU

--

Stop Lamp Supply Voltage/Stop Lamp Switch Signal

2

BK

--

Ground

Diode


Object Number: 1468509  Size: CH

Connector Part Information

  • OEM: KET MG 620102-5
  • Service: N/A
  • Description: 2-Way F DIODE Connector (BK)

Diode

Pin

Wire Color

Circuit No.

Function

1

OG/BK

--

Lamp Control

2

OG

--

Ground

Door Step Lamp - Driver


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: 2-Way F 090 (2.3 mm) Series (WH)

Door Step Lamp - Driver

Pin

Wire Color

Circuit No.

Function

1

RD/WH

--

Courtesy Lamp Control

2

BK

--

Ground

Door Step Lamp - Passenger


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: 2-Way F 090 (2.3 mm) Series (WH)

Door Step Lamp - Passenger

Pin

Wire Color

Circuit No.

Function

1

RD/WH

--

Courtesy Lamp Control

2

BK

--

Ground

Fog Lamp - Left Front


Object Number: 1468380  Size: CH

Connector Part Information

  • OEM: KUM PB 625-02027
  • Service: N/A
  • Description: 2-Way F NMWP 04F-B Assembly (BK)

Fog Lamp - Left Front

Pin

Wire Color

Circuit No.

Function

1

PU

--

Front Fog Lamp Supply Voltage

2

BK

--

Ground

Fog Lamp - Right Front


Object Number: 1468380  Size: CH

Connector Part Information

  • OEM: KUM PB 625-02027
  • Service: N/A
  • Description: 2-Way F NMWP 04F-B Assembly (BK)

Fog Lamp - Right Front

Pin

Wire Color

Circuit No.

Function

1

PU

--

Front Fog Lamp Supply Voltage

2

BK

--

Ground

Fog Lamp - Left Rear


Object Number: 1468380  Size: CH

Connector Part Information

  • OEM: KUM PB 625-02027
  • Service: N/A
  • Description: 2-Way F NMWP 04F-B Assembly (BK)

Fog Lamp - Left Rear

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

OG

--

Rear Fog Lamp Supply Voltage

Fog Lamp - Right Rear


Object Number: 1468380  Size: CH

Connector Part Information

  • OEM: KUM PB 625-02027
  • Service: N/A
  • Description: 2-Way F NMWP 04F-B Assembly (BK)

Fog Lamp - Right Rear

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

OG

--

Rear Fog Lamp Supply Voltage

Hazard Switch


Object Number: 1467121  Size: CH

Connector Part Information

  • OEM: KET MG 651056
  • Service: N/A
  • Description: 10-Way F 090-II Series (WH)

Hazard Switch

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

GN

--

Ground

3

BN/WH

--

Dimmer PWM Output

4-6

--

--

Not Used

7

BK

--

Ground

8

PU

--

Hazard Switch Signal

9-10

--

--

Not Used

Headlamp - Left


Object Number: 1467011  Size: CH

Connector Part Information

  • OEM: PB625-04027
  • Service: N/A
  • Description: 4-Way F NMWP

Headlamp - Left

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BK

--

Ground

3

GN/WH

--

High Beam Supply Voltage

4

YE

--

Low Beam Supply Voltage

Headlamp - Left (w/Levelling)


Object Number: 1468383  Size: CH

Connector Part Information

  • OEM: PB625-06027
  • Service: N/A
  • Description: 6-Way F NMWP

Headlamp - Left (w/Levelling)

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

PU

--

Park Lamp Supply Voltage

3

GN

--

Headlamp Levelling

4

GN/WH

--

High Beam Supply Voltage

5

YE

--

Low Beam Supply Voltage

6

BK

--

Ground

Headlamp - Right


Object Number: 1467011  Size: CH

Connector Part Information

  • OEM: PB625-04027
  • Service: N/A
  • Description: 4-Way F NMWP

Headlamp - Right

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BK

--

Ground

3

L-GN/BK

--

High Beam Supply Voltage

4

BN/WH

--

Low Beam Supply Voltage

Headlamp - Right (w/Levelling)


Object Number: 1468383  Size: CH

Connector Part Information

  • OEM: PB625-06027
  • Service: N/A
  • Description: 6-Way F NMWP

Headlamp - Right (w/Levelling)

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

BN/WH

--

Park Lamp Supply Voltage

3

GN

--

Headlamp Levelling

4

L-GN/BK

--

High Beam Supply Voltage

5

BN/WH

--

Low Beam Supply Voltage

6

BK

--

Ground

Head Lamp Switch


Object Number: 1467115  Size: CH

Connector Part Information

  • OEM: KET MG 651044
  • Service: N/A
  • Description: 6-Way F 090 II Series (BK)

Head Lamp Switch - Front

Pin

Wire Color

Circuit No.

Function

1

GY/BK

--

Park Lamp Switch Signal

2

BK

--

Ground

3

L-GN/BK

--

Off Switch (w/ALC)

4

BK

--

Ground

5

YE

--

Front Fog Lamp Switch Signal

6

GY/BK

--

Head Lamp Switch Signal

I/P Compartment Lamp


Object Number: 1481285  Size: CH

Connector Part Information

  • OEM: AK 36277
  • Service: N/A
  • Description: 2-Way F Connector (GY)

I/P Compartment Lamp

Pin

Wire Color

Circuit No.

Function

1

RD/WH

--

Inadvertent Power Control

2

PU

--

I/P Compartment Lamp Control

I/P Compartment Lamp Switch


Object Number: 1481285  Size: CH

Connector Part Information

  • OEM: AK 5306
  • Service: N/A
  • Description: 2-Way F Connector (BK)

I/P Compartment Lamp Switch

Pin

Wire Color

Circuit No.

Function

1

PU

--

I/P Compartment Lamp Control

2

BK

--

Ground

Key Reminder Switch


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: KET 090-02F MG 610489-5
  • Service: N/A
  • Description: 2-Way F Connector

Key Reminder Switch

Pin

Wire Color

Circuit No.

Function

1

L-GN/WH

--

Key In Signal

2

BN

--

Battery Positive Voltage

License Lamp


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: KET 090-02F MG 610489-5
  • Service: N/A
  • Description: 2-Way F Connector

License Lamp

Pin

Wire Color

Circuit No.

Function

1

PU

--

License Plate Lamp Supply Voltage

2

BK

--

Ground

Multifunction Control Module (A)


Object Number: 1836010  Size: CH

Connector Part Information

  • OEM: AMP 368136-1
  • Service: N/A
  • Description: 26-Way F Connector

Multifunction Control Module (A)

Pin

Wire Color

Circuit No.

Function

1

OG/BK

--

Trunk Contact Signal

2

L-BU

--

Brake Switch Signal

3

BN

--

Engine Running Signal

4

L-GN

--

Key In Signal

5

L-GN

--

Park Position Signal

6

--

--

Not Used

7

BN/WH

--

Reference Voltage

8

GN

--

Dimmer Switch Signal

9

YE

--

ACC Voltage

10

L-GN

--

Back Up Switch Signal

11

WH

--

Sun Load Sensor Signal

12

RD/WH

--

Battery Positive Voltage

13

PK

--

Ignition 1 Voltage

14

GN/BK

--

Head Lamp Switch Signal

15

GY/BK

--

Park Lamp Switch Signal

16

L-GN/BK

--

Light Switch Signal

17

BN

--

Driver Door Contact Signal

18

WH

--

All Doors Contact Signal

19

OG/WH

--

Up/Down Switch Signal

20

BN

--

COM

21

PU/WH

--

Left/Right Switch Signal

22

GN/WH

--

5 Volt Reference

23

GN

--

Vertical Sensor Signal

24

BU

--

Sensor Ground

25

BK

--

Ground

26

--

--

Not Used

Multifunction Control Module (B)


Object Number: 1506098  Size: CH

Connector Part Information

  • OEM: AMP 368135-1
  • Service: N/A
  • Description: 22-Way F Connector

Multifunction Control Module (B)

Pin

Wire Color

Circuit No.

Function

1

RD

--

Horizontal Sensor Signal

2

YE

--

Front Fog Indicator Control

3

YE/BK

--

Rear Fog Indicator Control

4

L-GN/BK

--

High Beam Indicator Control

5

WH

--

DRL Indicator

6

GY

--

Passenger Common Control

7

RD/WH

--

Up/Down Passenger Control

8

PU

--

Left/Right Passenger Control

9

GY/BK

--

Folding Mirror Switch Signal

10

--

--

Not Used

11

OG

--

Rear Fog Lamp Control

12

BN/WH

--

Dimmer PWM Output Control

13

WH

--

Park Lamp Control

14

GN/BK

--

Head Lamp Low Beam Control

15

RD/WH

--

Head Lamp High Beam Control

16

GN/WH

--

Fog Lamp Control

17

YE

--

Fog Lamp Switch Signal

18

OG

--

Rear Fog Lamp Switch Signal

19

PU

--

Head Lamp High Switch Signal

20

YE/BK

--

Head Lamp Passing Switch Signal

21

L-BU

--

Mirror Unfolding Control

22

YE

--

Mirror Folding Control

Multifunction Control Module (C)


Object Number: 1283124  Size: CH

Connector Part Information

  • OEM: AMP 929504-3
  • Service: N/A
  • Description: 8-Way F Connector

Multifunction Control Module (C)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK/BU

--

Ignition 2 Voltage

3

BU/WH

--

Courtesy Lamp Power Control

4

BK

--

Ground

5

BN

--

BTSI Solenoid Control

6

--

--

Not Used

7

RD/WH

--

Inadvertent Lamp Power Control

8

RD/WH

--

Battery Positve Voltage

Multifunction Switch (Head Lamp Levelling, Rear Fog Lamp)


Object Number: 1468412  Size: CH

Connector Part Information

  • OEM: Delphi 15394150
  • Service: N/A
  • Description: 16-Way F (BK)

Multifunction Switch (Head Lamp Levelling, Rear Fog Lamp)

Pin

Wire Color

Circuit No.

Function

1

RD/WH

--

Right Mirror Up/Down Motor

OG/WH

--

Right Mirror Up/Down Motor (w/Folding)

2

GY/BK

--

Folding Mirror Switch Signal

3

YE

--

Left Mirror Up/Down Motor

4

BN

--

Mirror Motor Common

5

PU

--

Right Mirror Left/Right Motor

PU/WH

--

Right Mirror Left/Right Motor (w/Folding)

6

BK

--

Ground

7

--

--

Not Used

8

BK

--

Ground

9

WH

--

Left Mirror Left/Right Motor

10

BN

--

Ignition 1 Voltage

11

BN/WH

--

Dimmer PWM Output

12

GN

--

Dimmer Switch Signal

13

BN/WH

--

Reference Voltage

14

BN

--

Levelling Switch

15

L-GN

--

Levelling Signal

16

OG

--

Rear Fog Lamp Switch Signal

Multifunction/Turn Signal Switch


Object Number: 1283124  Size: CH

Connector Part Information

  • OEM: AMP 929504-3
  • Service: N/A
  • Description: 8-Way F Connector

Multifunction/Turn Signal Switch

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

YE/BK

--

Passing Switch Signal

3

PU

--

Dimmer Switch Signal

4

BK

--

Ground

5-6

--

--

Not Used

7

D-BU/WH

--

Right Turn Switch Signal

8

L-BU/WH

--

Left Turn Switch Signal

PRNDL Lamp


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: KET ASC 2F MG 611857
  • Service: N/A
  • Description: 2-Way F Connector

PRNDL Lamp

Pin

Wire Color

Circuit No.

Function

1

GN

--

Ground

2

BN/WH

--

Dimmer PWM Outout

Rear Compartment Lamp


Object Number: 1481285  Size: CH

Connector Part Information

  • OEM: AK 5306
  • Service: N/A
  • Description: 2-Way F Connector (BK)

Rear Compartment Lamp

Pin

Wire Color

Circuit No.

Function

1

RD/WH

--

Inadvertent Power Control

2

OG/BK

--

Rear Compartment Lamp Control

Stop Lamp Switch


Object Number: 1467027  Size: CH

Connector Part Information

  • OEM: KET MG 610267
  • Service: N/A
  • Description: 4-Way F 250 D/L Series (WH)

Stop Lamp Switch

Pin

Wire Color

Circuit No.

Function

1

PK

--

Ignition 1 Voltage

2

OG

--

Battery Positive Voltage

3

BN

--

Brake Pedal Switch Signal

4

L-BU/WH

--

Stop Lamp Switch Signal

Tail Lamp - Left


Object Number: 1467011  Size: CH

Connector Part Information

  • OEM: KET MG 610047
  • Service: N/A
  • Description: 4-Way F

Tail Lamp - Left

Pin

Wire Color

Circuit No.

Function

1

PU

--

Tail Lamp Supply Voltage

2

L-BU/WH

--

Stop Lamp Supply Voltage

3

BK

--

Ground

4

L-BU

--

Turn Signal Control

Tail Lamp - Right


Object Number: 1467011  Size: CH

Connector Part Information

  • OEM: KET MG 610047
  • Service: N/A
  • Description: 4-Way F

Tail Lamp - Right

Pin

Wire Color

Circuit No.

Function

1

PU

--

Tail Lamp Supply Voltage

2

L-BU/WH

--

Stop Lamp Supply Voltage

3

BK

--

Ground

4

L-BU

--

Turn Signal Control

Turn Signal/Park Lamp - Left Front (w/o Levelling)


Object Number: 1265363  Size: CH

Connector Part Information

  • OEM: AMP 936187-3
  • Service: N/A
  • Description: 3-Way F Connector

Turn Signal/Park Lamp - Left Front (w/o Levelling)

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

PU

--

Left Park Lamp Supply Voltage

3

L-BU

--

Left Turn Signal Lamps Supply Voltage

Turn Signal/Park Lamp - Right Front (w/o Levelling)


Object Number: 1265363  Size: CH

Connector Part Information

  • OEM: AMP 936187-3
  • Service: N/A
  • Description: 3-Way F Connector

Turn Signal/Park Lamp - Right Front (w/o Levelling)

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

BN/WH

--

Left Park Lamp Supply Voltage

3

BU

--

Left Turn Signal Lamps Supply Voltage

Turn Signal Lamp - Left Front (w/ Levelling)


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: AMP 936184-1
  • Service: N/A
  • Description: 2-Way F Connector

Turn Signal Lamp - Left Front (w/ Levelling)

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

L-BU

--

Left Park Lamp Supply Voltage

Turn Signal Lamp - Right Front (w/ Levelling)


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: AMP 936184-1
  • Service: N/A
  • Description: 2-Way F Connector

Turn Signal Lamp - Right Front (w/ Levelling)

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

BN/WH

--

Left Park Lamp Supply Voltage

3

BU

--

Left Turn Signal Lamps Supply Voltage

Vanity Lamp - Left


Object Number: 1481285  Size: CH

Connector Part Information

  • OEM: AK 36277
  • Service: N/A
  • Description: 2-Way F Connector (BK)

Vanity Lamp - Left

Pin

Wire Color

Circuit No.

Function

1

BN

--

Inadvertent Power Control

2

BK

--

Ground

Vanity Lamp - Right


Object Number: 1481285  Size: CH

Connector Part Information

  • OEM: AK 36277
  • Service: N/A
  • Description: 2-Way F Connector (BK)

Vanity Lamp - Right

Pin

Wire Color

Circuit No.

Function

1

BN

--

Inadvertent Power Control

2

BK

--

Ground