GM Service Manual Online
For 1990-2009 cars only
Connector 1: Door Latch Assembly - Driver
Connector 2: Door Latch Assembly - LR
Connector 3: Door Latch Assembly - Passenger
Connector 4: Door Latch Assembly - RR
Connector 5: Driver Door Module (DDM) - C1
Connector 6: Driver Door Module (DDM) - C2
Connector 7: Driver Door Module (DDM) - C3
Connector 8: Driver Door Module (DDM) - C4
Connector 9: Driver Door Module (DDM) - C5
Connector 10: Liftgate Ajar Switch - Left (Except SUT)
Connector 11: Liftgate Ajar Switch - Right (Except SUT)
Connector 12: Liftgate Lock Actuator (Except SUT)
Connector 13: Liftgate Lock Relay (Except SUT)
Connector 14: Passenger Door Module (PDM) - C1
Connector 15: Passenger Door Module (PDM) - C2
Connector 16: Passenger Door Module (PDM) - C3
Connector 17: Passenger Door Module (PDM) - C4
Connector 18: Passenger Door Module (PDM) - C5
Connector 19: Window Motor - Driver
Connector 20: Window Motor - LR
Connector 21: Window Motor - Passenger
Connector 22: Window Motor - RR
Connector 23: Window Switch - LR
Connector 24: Window Switch - RR

Door Latch Assembly - Driver


Object Number: 845631  Size: CH

Connector Part Information

  • OEM: 6-1355688-1
  • Service: 88952463
  • Description: 10-Way F Sealed AMP (BK)

Terminal Part Information

  • Pins: 2, 3, 6, 8, 9
  • Terminal/Tray: 4-969005-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-560/J-35616-33 (YE)

Door Latch Assembly - Driver

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

TN

294

Door Lock Actuator Unlock Control

3

GY

295

Door Lock Actuator Lock Control

4-5

--

--

Not Used

6

GY/BK

745

Left Front Door Ajar Switch Signal

7

--

--

Not Used

8

BN

1183

Left Front Door Switch Low Reference

9

L-GN

262

Driver Door Key Switch Signal

10

--

--

Not Used

Door Latch Assembly - LR


Object Number: 845632  Size: CH

Connector Part Information

  • OEM: 6-1355683-1
  • Service: 88952462
  • Description: 6-Way F Sealed AMP (BK)

Terminal Part Information

  • Pins: 2 - 4, 6
  • Terminal/Tray: 4-969005-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-560/J-35616-33 (YE)

Door Latch Assembly - LR

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

TN

294

Door Lock Actuator Unlock Control

3

GY

295

Door Lock Actuator Lock Control

4

L-BU/BK

747

Left Rear Door Ajar Switch Signal

5

--

--

Not Used

6

BK

1150

Ground

Door Latch Assembly - Passenger


Object Number: 845632  Size: CH

Connector Part Information

  • OEM: 6-1355683-1
  • Service: 88952462
  • Description: 6-Way F AMP Sealed (BK)

Terminal Part Information

  • Pins: 1, 3, 5, 6
  • Terminal/Tray: 4-969005-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-560/J-35616-33 (YE)

Door Latch Assembly - Passenger

Pin

Wire Color

Circuit No.

Function

1

BK/WH

746

Right Front Door Ajar Switch Signal

2

--

--

Not Used

3

D-GN

1178

Right Front Door Switch Low Reference

4

--

--

Not Used

5

TN

294

Door Lock Actuator Unlock Control

6

GY

295

Door Lock Actuator Lock Control

Door Latch Assembly - RR


Object Number: 845632  Size: CH

Connector Part Information

  • OEM: 6-1355683-1
  • Service: 88952462
  • Description: 6-Way F Sealed AMP (BK)

Terminal Part Information

  • Pins: 1, 3, 5, 6
  • Terminal/Tray: 4-969005-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-560/J-35616-33 (YE)

Door Latch Assembly - RR

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

748

Right Rear Door Ajar Switch Signal

2

--

--

Not Used

3

BK

1250

Ground

4

--

--

Not Used

5

TN

294

Door Lock Actuator Unlock Control

6

GY

295

Door Lock Actuator Lock Control

Driver Door Module (DDM) - C1


Object Number: 845628  Size: CH

Connector Part Information

  • OEM: 1326055-3
  • Service: 8898436
  • Description: 4-Way F AMP 2.8 mm Sealed (BK)

Terminal Part Information

  • Pins: 1 - 4
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: Pins 1, 2, 3 - A/4
  • Core/Insulation Crimp: Pins 4 - 4/D
  • Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Driver Door Module (DDM) - C1

Pin

Wire Color

Circuit No.

Function

1

BN

165

Power Window Motor Left Front Down Control

2

OG

1240

Battery Positive Voltage

3

D-BU

164

Power Window Motor Left Front Up Control

4

BK

1050

Ground

Driver Door Module (DDM) - C2


Object Number: 966311  Size: CH

Connector Part Information

  • OEM: 1326042-1
  • Service: 88987996
  • Description: 26-Way F AMP Lever Assist (BK)

Terminal Part Information

  • Pins: 1, 3, 4, 10, 12, 13, 15, 18, 20 - 22, 26, 14
  • Terminal/Tray: 638551-1/16
  • Core/Insulation Crimp: Pins 1, 3, 4, 10, 12, 13, 15, 18, 20 - 22, 26 - J/J
  • Core/Insulation Crimp: Pins 14 - K/K
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)

Driver Door Module (DDM) - C2

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used (SUV)

WH

5457

Midgate Switch Down Signal (SUT)

2

--

--

Not Used

3

BN

1183

Left Front Door Switch Low Reference

4

D-BU

660

Left Front Door Courtesy Lamp Control

5-9

--

--

Not Used

10

GY

1690

Automatic Day/Night Mirror Signal

11

--

--

Not Used

12

PK

1691

Automatic Day/Night Mirror Low Reference

13

D-BU/WH

149

Courtesy Lamp-Left Front Door Supply Voltage

14

OG

4140

Battery Positive Voltage

15

L-GN

262

Driver Door Key Switch Signal

16-17

--

--

Not Used

18

GY/BK

745

Left Front Door Ajar Switch Signal

19

--

--

Not Used

20

TN

294

Door Lock Actuator Unlock Control

21

GY

295

Door Lock Actuator Lock Control

22

BN

1046

DDM Class 2 Serial Data

23-25

--

--

Not Used

26

D-GN

5461

Midgate Motor Up Signal (SUT)

26

--

--

Not Used (SUV)

Driver Door Module (DDM) - C3


Object Number: 850873  Size: CH

Connector Part Information

  • OEM: 638393-7
  • Service: See Catalog
  • Description: 10-Way F 0.64 mm Unsealed AMP (BU)

Terminal Part Information

  • Pins: 3, 4, 7, 8
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Driver Door Module (DDM) - C3

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

BK

--

Driver Mirror Heating Element Low Reference

4

PU

--

Mirror Sensor Low Reference

5-6

--

--

Not Used

7

GY

--

Automatic Day/Night Mirror Signal

8

PK

--

Automatic Day/Night Mirror Low Reference

9-10

--

--

Not Used

Driver Door Module (DDM) - C4


Object Number: 850870  Size: CH

Connector Part Information

  • OEM: 638393-5
  • Service: See Catalog
  • Description: 10-Way F 0.64 mm Unsealed AMP (BK)

Terminal Part Information

  • Pins: 1 - 9
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Driver Door Module (DDM) - C4

Pin

Wire Color

Circuit No.

Function

1

YE

--

Driver Folding Mirror Motor Extend Control

2

OG

--

Mirror Heating Element Supply Voltage

3

RD

--

Driver Mirror Horizontal Position Sensor Signal

4

D-GN

--

5-Volt Reference

5

D-BU

--

Driver Mirror Vertical Position Sensor Signal

6

L-BU

--

Driver Folding Mirror Motor Retract Control

7

YE/WH

--

Driver Mirror Right/Down Motors Common

8

L-BU

--

Driver Mirror Motor Right Control

9

L-GN

--

Driver Mirror Motor Down Control

10

--

--

Not Used

Driver Door Module (DDM) - C5


Object Number: 849815  Size: CH

Connector Part Information

  • OEM: 638393-4
  • Service: See Catalog
  • Description: 12-Way F AMP 0.64 mm Unsealed (GN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Driver Door Module (DDM) - C5

Pin

Wire Color

Circuit No.

Function

1

WH/BK

--

Medium Heat Indicator Control

2

YE

--

Low Heat Indicator Control

3

GY

--

Back Only Select

4

L-BU

--

Memory/Heated Seat Backlight

5

PK

--

Memory 2 Switch Signal

6

TN

--

Global Window Up Signal

7

D-GN

--

High Heat Indicator Control

8

BK

--

Back Only Indicator

9

D-BU

--

Back and Cushion Select

10

RD

--

Memory 1 Switch Signal

11

BN

--

Memory/Heated Switch Supply Voltage

12

OG

--

Global Window Down Signal

Liftgate Ajar Switch - Left (Except SUT)


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Liftgate Ajar Switch - Left (Except SUT)

Pin

Wire Color

Circuit No.

Function

A

BK

1450

Ground

B

PK/BK

1303

Liftgate Ajar Switch Signal

Liftgate Ajar Switch - Right (Except SUT)


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Liftgate Ajar Switch - Right (Except SUT)

Pin

Wire Color

Circuit No.

Function

A

BK

1450

Ground

B

PK/BK

1303

Liftgate Ajar Switch Signal

Liftgate Lock Actuator (Except SUT)


Object Number: 684799  Size: CH

Connector Part Information

  • OEM: 12077900
  • Service: 12116247
  • Description: 2-Way F Metri-Pack 280 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12077411/2
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Liftgate Lock Actuator (Except SUT)

Pin

Wire Color

Circuit No.

Function

A

TN

294

Door Lock Actuator Unlock Control

B

GY

295

Door Lock Actuator Lock Control

Liftgate Lock Relay (Except SUT)


Object Number: 95768  Size: CH

Connector Part Information

  • OEM: 12065978
  • Service: 12126045
  • Description: 5-Way F Metri-Pack 480/630 Series Sealed (GY)

Terminal Part Information

  • Pins: 1, 2, 4
  • Terminal/Tray: 12065892/18
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 12094430/J-35616-40 (BU)
  • Pins: 3, 5
  • Terminal/Tray: 12015869/3
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Liftgate Lock Relay (Except SUT)

Pin

Wire Color

Circuit No.

Function

1

WH

1304

Liftgate Lock Relay Control

2

OG

3140

Battery Positive Voltage

3

GY

295

Door Lock Actuator Lock Control

4

BK

1450

Ground

5

OG

3140

Battery Positive Voltage

Passenger Door Module (PDM) - C1


Object Number: 845628  Size: CH

Connector Part Information

  • OEM: 1326055-3
  • Service: 88986436
  • Description: 4-Way F 2.8 mm Sealed AMP (BK)

Terminal Part Information

  • Pins: 1 - 4
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: Pins 1, 2, 4 - A/4
  • Core/Insulation Crimp: Pins 3 - 4/D
  • Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Passenger Door Module (PDM) - C1

Pin

Wire Color

Circuit No.

Function

1

BN

667

Power Window Motor Right Front Down Control

2

OG

1340

Battery Positive Voltage

3

BK

1050

Ground

4

D-BU

666

Power Window Motor Right Front Up Control

Passenger Door Module (PDM) - C2


Object Number: 966311  Size: CH

Connector Part Information

  • OEM: 15398841
  • Service: 88988996
  • Description: 26-Way F AMP Lever Assist (BK)

Terminal Part Information

  • Pins: 5, 8, 10, 11, 14, 19, 20, 22, 24
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Passenger Door Module (PDM) - C2

Pin

Wire Color

Circuit No.

Function

1-4

--

--

Not Used

5

BK/WH

746

Right Front Door Ajar Switch Signal

6-7

--

--

Not Used

8

WH

156

Courtesy Lamp - Right Front Door Supply Voltage

9

--

--

Not Used

10

GY

295

Door Lock Actuator Lock Control

11

TN

294

Door Lock Actuator Unlock Control

12-13

--

--

Not Used

14

OG

4240

Battery Positive Voltage

15-18

--

--

Not Used

19

L-BU

661

Right Front Door Courtesy Lamp Control

20

D-GN

1178

Right Front Door Switch Low Reference

21

--

--

Not Used

22

TN

1047

PDM Class 2 Serial Data

23

--

--

Not Used

24

L-GN

265

Passenger Door Key Switch Signal

25-26

--

--

Not Used

Passenger Door Module (PDM) - C3


Object Number: 850873  Size: CH

Connector Part Information

  • OEM: 638393-7
  • Service: See Catalog
  • Description: 10-Way F 0.64 mm Unsealed AMP (BU)
  • Wire colors may vary

Terminal Part Information

  • Pins: 1 - 4, 6 - 8
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Passenger Door Module (PDM) - C3

Pin

Wire Color

Circuit No.

Function

1

RD/WH

--

Passenger Mirror Motor Right Control

2

WH

--

Passenger Mirror Right/Down Motors Common

3

YE

--

Passenger Folding Mirror Motor Extend Control

4

L-BU

--

Passenger Folding Mirror Motor Retract Control

5

--

--

Not Used

6

PU/WH

--

Passenger Mirror Motor Down Control

7

OG

--

Mirror Heating Element Supply Voltage

8

BK

--

Mirror Heating Element Low Reference

9-10

--

--

Not Used

Passenger Door Module (PDM) - C4


Object Number: 850870  Size: CH

Connector Part Information

  • OEM: 638393-5
  • Service: See Catalog
  • Description: 10-Way F 0.64 mm Unsealed AMP (BK)
  • Wire colors may vary

Terminal Part Information

  • Pins: 1 - 4
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Passenger Door Module (PDM) - C4

Pin

Wire Color

Circuit No.

Function

1

D-GN

--

5-Volt Reference

2

RD

--

Passenger Mirror Vertical Position Sensor Signal

3

PU

--

Low Reference

4

D-BU

--

Passenger Mirror Horizontal Position Sensor Signal

5-10

--

--

Not Used

Passenger Door Module (PDM) - C5


Object Number: 849815  Size: CH

Connector Part Information

  • OEM: 638393-4
  • Service: See Catalog
  • Description: 12-Way F AMP 0.64 mm Unsealed (GN)
  • Wire colors may vary

Terminal Part Information

  • Pins: 1 - 4, 6 - 8, 12
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Passenger Door Module (PDM) - C5

Pin

Wire Color

Circuit No.

Function

1

YE

--

Low Heat Indicator Control

2

D-GN

--

High Heat Indicator Control

3

D-BU

--

Back Only Select

4

GY

--

Back and Cushion Select

5

--

--

Not Used

6

BN

--

Memory/Heated Seat Switch Supply Voltage

7

BK

--

Back Only Indicator Control

8

WH/BK

--

Medium Heat Indicator Control

9-11

--

--

Not Used

12

L-BU

--

Heated Seat Switch Backlight

Window Motor - Driver


Object Number: 684837  Size: CH

Connector Part Information

  • OEM: 12129487
  • Service: 88988609
  • Description: 2-Way F Metri-Pack 280 Series Flexlock Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: A/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Motor - Driver

Pin

Wire Color

Circuit No.

Function

A

D-BU

164

Power Window Motor Left Front Up Control

B

BN

165

Power Window Motor Left Front Down Control

Window Motor - LR


Object Number: 684837  Size: CH

Connector Part Information

  • OEM: 12129487
  • Service: 88988609
  • Description: 2-Way F Metri-Pack 280 Series Flexlock Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: A/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Motor - LR

Pin

Wire Color

Circuit No.

Function

A

BN

669

Power Window Motor Left Rear Down Control

B

D-BU

668

Power Window Motor Left Rear Up Control

Window Motor - Passenger


Object Number: 684837  Size: CH

Connector Part Information

  • OEM: 12129487
  • Service: 88988609
  • Description: 2-Way F Metri-Pack 280 Series Flexlock Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: A/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Motor - Passenger

Pin

Wire Color

Circuit No.

Function

A

D-BU

666

Power Window Motor Right Front Up Control

B

BN

667

Power Window Motor Right Front Down Control

Window Motor - RR


Object Number: 684837  Size: CH

Connector Part Information

  • OEM: 12129487
  • Service: 88988609
  • Description: 2-Way F Metri-Pack 280 Series Flexlock Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: A/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Motor - RR

Pin

Wire Color

Circuit No.

Function

A

BN

671

Power Window Motor Right Rear Down Control

B

D-BU

670

Power Window Motor Right Rear Up Control

Window Switch - LR


Object Number: 333036  Size: CH

Connector Part Information

  • OEM: 12191825
  • Service: 15306048
  • Description: 8-Way F Metri-Pack 280 Series (BN)

Terminal Part Information

  • Pins: A, E - G
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B - D, H
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Switch - LR

Pin

Wire Color

Circuit No.

Function

A

OG

1240

Battery Positive Voltage

B

YE

1187

Power Window Switch Relay Left Rear Down Control

C

WH

1185

Power Window Switch Relay Left Rear Up Control

D

L-BU

2265

Power Window Lockout Left Rear Signal

E

BK

1150

Ground

F

D-BU

668

Power Window Motor Left Rear Up Control

G

BN

669

Power Window Motor Left Rear Down Control

H

BN/WH

230

Instrument Panel Lamps Dimming Control

Window Switch - RR


Object Number: 333036  Size: CH

Connector Part Information

  • OEM: 12191825
  • Service: 15306048
  • Description: 8-Way F Metri-Pack 280 Series (BN)

Terminal Part Information

  • Pins: A, E - G
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B - D, H
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Switch - RR

Pin

Wire Color

Circuit No.

Function

A

OG

1340

Battery Positive Voltage

B

D-GN

1188

Power Window Switch Relay Right Rear Down Control

C

GY/BK

1186

Power Window Switch Relay Right Rear Up Control

D

L-GN

2266

Power Window Lockout Right Rear Signal

E

BK

1250

Ground

F

D-BU

670

Power Window Motor Right Rear Up Control

G

BN

671

Power Window Motor Right Rear Down Control

H

BN/WH

230

Instrument Panel Lamps Dimming Control