GM Service Manual Online
For 1990-2009 cars only
Connector 1: Door Handle Switch Assembly - Left Front
Connector 2: Door Handle Switch Assembly - Right Front
Connector 3: Door Latch Assembly - Driver
Connector 4: Door Latch Assembly - Left Rear
Connector 5: Door Latch Assembly - Passenger
Connector 6: Door Latch Assembly - Right Rear
Connector 7: Door Lock Switch - Driver
Connector 8: Door Lock Switch - Passenger
Connector 9: Driver Door Module (DDM) - C1
Connector 10: Driver Door Module (DDM) - C2
Connector 11: Driver Door Module (DDM) - C3 (Outside Rearview Mirror - Driver)
Connector 12: Driver Door Module (DDM) - C4 (Outside Rearview Mirror - Driver)
Connector 13: Driver Door Switch Assembly (DDSA)
Connector 14: Front Passenger Door Module (FPDM) - C1
Connector 15: Front Passenger Door Module (FPDM) - C2
Connector 16: Front Passenger Door Module (FPDM) - C3 (Outside Rearview Mirror - Passenger)
Connector 17: Front Passenger Door Module (FPDM) - C4 (Outside Rearview Mirror - Passenger)
Connector 18: Left Rear Door Module (LRDM) - C1
Connector 19: Left Rear Door Module (LRDM) - C2
Connector 20: Rear Compartment Lid Release Actuator
Connector 21: Rear Compartment Lid Release Switch - Exterior
Connector 22: Rear Compartment Lid Release Switch - Interior
Connector 23: Right Rear Door Module (RRDM) - C1
Connector 24: Right Rear Door Module (RRDM) - C2
Connector 25: Valet Switch
Connector 26: Window Motor - Driver
Connector 27: Window Motor - Front Passenger
Connector 28: Window Motor - Left Rear
Connector 29: Window Motor - Right Rear
Connector 30: Window Switch - Front Passenger
Connector 31: Window Switch - Left Rear/Right Rear

Door Handle Switch Assembly - Left Front


Object Number: 1413042  Size: CH

Door Handle Switch Assembly - Left Front

Pin

Wire

Circuit

Function

1

PK

5709

+ LF

2

PK/BK

5713

- LF

3

BK/WH

351

Ground

4

BN

5881

Unlatch Enable Switch

5

D-BU

5882

Lift Switch

6

BK/WH

351

Ground

Door Handle Switch Assembly - Right Front


Object Number: 1413042  Size: CH

Door Handle Switch Assembly - Right Front

Pin

Wire

Circuit

Function

1

YE

5710

+ LF

2

YE/BK

5714

- LF

3

BK/WH

451

Ground

4

GY

5878

Unlatch Enable Switch

5

PK

5879

Lift Switch

6

BK/WH

451

Ground

Door Latch Assembly - Driver


Object Number: 2017464  Size: CH

Door Latch Assembly - Driver

Pin

Wire

Circuit

Function

1-2

--

--

Not Used

3

L-GN/BK

5703

Door Unlatch Motor Control (1)

4

L-GN/WH

5702

Door Latch Motor Control

5

--

--

Not Used

6

GY/BK

745

Left Front Door Ajar Switch Signal

7

TN

126

Left Front Door Open Switch Signal

8

BK/WH

351

Ground

9

L-GN

262

Driver Door Key Switch Signal

10

--

--

Not Used

Door Latch Assembly - Left Rear


Object Number: 2017465  Size: CH

Door Latch Assembly - Left Rear

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

TN

294

Door Lock Actuator Unlock Control

3

GY

295

Door Lock Actuator Lock Control

4

L-GN/BK

747

Left Rear Door Ajar Switch Signal

5

D-BU/WH

1179

Left Rear Door Open Switch Signal

6

BK/WH

351

Ground

Door Latch Assembly - Passenger


Object Number: 2017464  Size: CH

Door Latch Assembly - Passenger

Pin

Wire

Circuit

Function

1

TN/WH

746

Right Front Door Ajar Switch Signal

2

L-GN

1177

Right Front Door Open Switch Signal

3

BK/WH

451

Ground

4-7

--

--

Not Used

8

L-GN/BK

5703

Door Unlatch Motor Control (1)

9

L-GN/WH

5702

Door Latch Motor Control

10

--

--

Not Used

Door Latch Assembly - Right Rear


Object Number: 2017465  Size: CH

Door Latch Assembly - Right Rear

Pin

Wire

Circuit

Function

1

L-GN/BK

748

Right Rear Door Ajar Switch Signal

2

YE/BK

1181

Right Rear Door Open Switch Signal

3

BK/WH

451

Ground

4

--

--

Not Used

5

TN

294

Door Lock Actuator Unlock Control

6

GY

295

Door Lock Actuator Lock Control

Door Lock Switch - Driver


Object Number: 130714  Size: CH

Door Lock Switch - Driver

Pin

Wire

Circuit

Function

A

YE

1491

Backlight Lamp Control

B

BK/WH

351

Ground

C

BK/WH

351

Ground

D

PK/BK

780

Driver Door Lock Switch Lock Signal

E

OG/BK

781

Driver Door Lock Switch Unlock Signal

Door Lock Switch - Passenger


Object Number: 130714  Size: CH

Door Lock Switch - Passenger

Pin

Wire

Circuit

Function

A

YE

1491

Backlight Lamp Control

B

BK/WH

451

Ground

C

BK/WH

451

Ground

D

L-BU

244

Passenger Door Lock Switch Lock Control

E

D-BU

245

Passenger Door Lock Switch Unlock Control

Driver Door Module (DDM) - C1


Object Number: 2017466  Size: CH

Driver Door Module (DDM) - C1

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

RD/WH

640

Battery Positive Voltage (YQ2/YQ4/YQ6/YQ7)

3

RD/WH

640

Battery Positive Voltage

4

--

--

Not Used

5

L-GN/BK

5703

Door Latch Motor Control (1)

6

L-GN/WH

5702

Door Latch Motor Control

7

D-GN

5060

Low Speed GMLAN Serial Data

8

--

--

Not Used

9

BK/WH

351

Ground

10-12

--

--

Not Used

13

BN

5881

Left Front Door Handle Switch Signal (3)

14

D-GN

5060

Low Speed GMLAN Serial Data

15

BN

165

Power Window Motor Left Front Down Control

16

D-BU

164

Power Window Motor Left Front Up Control

Driver Door Module (DDM) - C2


Object Number: 2017467  Size: CH

Driver Door Module (DDM) - C2

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

TN

7126

Left Front Door Open Switch Signal

3

--

--

Not Used

4

YE/BU

6859

Power Window Status

5-6

--

--

Not Used

7

D-BU

5882

Left Front Door Ajar Switch Signal

8-9

--

--

Not Used

10

GY

1690

Automatic Day/Night Mirror Signal

11

--

--

Not Used

12

GY/BK

745

Left Front Door Ajar Switch Signal

13

--

--

Not Used

14

L-GN

262

Driver Door Key Switch Signal

15-16

--

--

Not Used

17

YE

1491

Backlight Lamp Control

18

L-BU/WH

6576

Driver Door Courtesy Lamp Control Low Reference

19

PU/WH

5754

Amplifier Powered Woofer Control (1)

20

PK

1691

Automatic Day/Night Mirror Low Reference

Driver Door Module (DDM) - C3 (Outside Rearview Mirror - Driver)


Object Number: 1519691  Size: CH

Connector Part Information

  • OEM: 1740442
  • Service: N/A
  • Description: 8-Way F Amp 040 Series Multi-Lock (BK)

Driver Door Module (DDM) - C3 (Outside Rearview Mirror - Driver)

Pin

Wire

Circuit

Function

1

BN/BK

1691

Automatic Day/Night Mirror Low Reference

2

D-GN/WH

784

Left Mirror Vertical Position Sensor Signal

3

L-BU/BK

786

Left Mirror Horizontal Position Sensor Signal

4

--

--

Not Used

5

BN

1690

Automatic Day/Night Mirror Signal

6

PU/BK

673

Left Outside Rearview Mirror Position Sensor Low Reference

7

RD/BK

672

Left Outside Rearview Mirror Position Sensor 5-Volt Reference

8

--

--

Not Used

Driver Door Module (DDM) - C4 (Outside Rearview Mirror - Driver)


Object Number: 1549444  Size: CH

Connector Part Information

  • OEM: 175964-2
  • Service: N/A
  • Description: 8-Way F AMP Multi-Lock 040 Series Mark II (BK)

Driver Door Module (DDM) - C4 (Outside Rearview Mirror - Driver)

Pin

Wire

Circuit

Function

1

D-GN

89

Left Mirror Motor Down Control

2

YE

88

Left Mirror Motor Up Control

3

PK

190

Left Folding Mirror Motor Extend Control (YQ8)

4

GY

191

Left Folding Mirror Motor Retract Control (YQ8)

5

D-BU

82

Left Mirror Motor Left Control

6

BK

606

Left Mirror Heating Element Supply Voltage

7

--

--

Not Used

8

BK

627

Left Mirror Heating Element Low Reference

Driver Door Switch Assembly (DDSA)


Object Number: 605501  Size: CH

Driver Door Switch Assembly (DDSA)

Pin

Wire

Circuit

Function

1

D-GN

5060

Low Speed GMLAN Serial Data

2

RD/WH

640

Battery Positive Voltage

3

BK/WH

351

Signal Ground

4

PK/BK

780

Driver Door Lock Switch Lock Signal

5

OG/BK

781

Driver Door Lock Switch Unlock Signal

6

YE

1491

Backlight Lamp Control

7

WH

616

Wake-Up 1

8

PU/WH

616

Wake-Up 2

9

--

--

Not Used

10

WH

1526

Shift Solenoid Supply Voltage (2)

Front Passenger Door Module (FPDM) - C1


Object Number: 2017466  Size: CH

Front Passenger Door Module (FPDM) - C1

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

RD/WH

740

Battery Positive Voltage

3-4

--

--

Not Used

5

L-GN/BK

5703

Door Latch Motor Control (1)

6

L-GN/WH

5702

Door Latch Motor Control

7

D-GN

5060

Low Speed GMLAN Serial Data

8

--

--

Not Used

9

BK/WH

451

Ground

10-12

--

--

Not Used

13

GY

5878

Right Front Door Handle Switch Signal (3)

14

--

--

Not Used

15

BN

667

Power Window Motor Right Front Down Control

16

D-BU

666

Power Window Motor Right Front Up Control

Front Passenger Door Module (FPDM) - C2


Object Number: 2017467  Size: CH

Front Passenger Door Module (FPDM) - C2

Pin

Wire

Circuit

Function

1

L-BU

244

Door Lock Switch Lock Control - Passenger

2

L-GN

1177

Right Front Door Open Switch Signal

3

D-BU

245

Door Lock Switch Unlock Control - Passenger

4

YE/BK

6859

Power Window Status

5

OG

1189

Right Front Power Switch Low Voltage

6

--

--

Not Used

7

PK

5879

Right Front Handle Switch Signal (2)

8-11

--

--

Not Used

12

TN/WH

746

Right Front Door Ajar Switch Signal

13-14

--

--

Not Used

15

PU

2765

Right Front Power Window Switch Up Signal

16

WH

1185

Left Rear Power Window Switch Up Signal

17

YE

1491

Backlight Lamp Control

18

L-BU/WH

6576

Driver Door Courtesy Lamp Control Low Reference

19

PU/WH

5754

Amplifier Powered Woofer Control (1)

20

--

--

Not Used

Front Passenger Door Module (FPDM) - C3 (Outside Rearview Mirror - Passenger)


Object Number: 1519691  Size: CH

Connector Part Information

  • OEM: 174044-2
  • Service: N/A
  • Description: 8-Way F Amp 040 Series Multi-Lock (BK)

Front Passenger Door Module (FPDM) - C3 (Outside Rearview Mirror - Passenger)

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

D-GN/BK

787

Left Mirror Vertical Position Sensor Signal

3

L-BU/BK

785

Left Mirror Horizontal Position Sensor Signal

4-5

--

--

Not Used

6

RD/BK

675

Right Outside Rearview Mirror Position Sensor Low Reference

7

PU/BK

674

Right Outside Rearview Mirror Position Sensor 5-Volt Reference

8

--

--

Not Used

Front Passenger Door Module (FPDM) - C4 (Outside Rearview Mirror - Passenger)


Object Number: 1549444  Size: CH

Connector Part Information

  • OEM: 1759642
  • Service: N/A
  • Description: 8-Way F AMP Multi-Lock 040 Series Mark II (BK)

Front Passenger Door Module (FPDM) - C4 (Outside Rearview Mirror - Passenger)

Pin

Wire

Circuit

Function

1

YE

889

Right Mirror Motor Down Control

2

D-BU

1498

Right Mirror Motor Up Control

3

PK

5004

Right Folding Mirror Motor Extend Control (YQ8)

4

GY

5023

Right Folding Mirror Motor Retract Control (YQ8)

5

WH

90

Right Mirror Motor Left Control

6

BK

607

Right Mirror Heating Element Supply Voltage

7

--

--

Not Used

8

BK

628

Right Mirror Heating Element Low Reference

Left Rear Door Module (LRDM) - C1


Object Number: 2017466  Size: CH

Left Rear Door Module (LRDM) - C1

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

TN

294

Door Lock Actuator Unlock Control

3

GY

295

Door Lock Actuator Lock Control

4

RD/WH

840

Battery Positive Voltage

5

--

--

Not Used

6

BK/WH

351

Ground

7

--

--

Not Used

8

D-BU

668

Power Window Motor Left Rear Up Control

9

YE

1491

Backlight Lamp Control

10-14

--

--

Not Used

15

D-GN

5060

Low Speed GMLAN Serial Data

16

BN

669

Power Window Motor Left Rear Down Control

Left Rear Door Module (LRDM) - C2


Object Number: 2017467  Size: CH

Connector Part Information

  • OEM: 1740472
  • Service: N/A
  • Description: 20-Way F AMP Multi-Lock (BK)

Left Rear Door Module (LRDM) - C2

Pin

Wire

Circuit

Function

1-12

--

--

Not Used

13

D-BU/WH

1179

Left Rear Door Open Switch Signal

14

L-GN/BK

747

Left Rear Door Ajar Switch Signal

15

D-GN

1184

Right Front Power Window Up Signal

16

YE

1187

Left Rear Power Window Switch Down Signal

17

--

--

Not Used

18

YE/BK

6859

Power Window Status

19

D-GN

5048

Left Rear Power Window Switch Express Operation Signal

20

--

--

Not Used

Rear Compartment Lid Release Actuator


Object Number: 130635  Size: CH

Rear Compartment Lid Release Actuator

Pin

Wire

Circuit

Function

A

TN/WH

56

Trunk Release Motor Supply Voltage

B

BK

850

Ground

C

OG/BK

744

Trunk Ajar Switch Signal

D

--

--

Not Used

Rear Compartment Lid Release Switch - Exterior


Object Number: 38608  Size: CH

Rear Compartment Lid Release Switch - Exterior

Pin

Wire

Circuit

Function

A

L-BU

383

Trunk Release Control

B

--

--

Not Used

C

BK

850

Ground

D

--

--

Not Used

Rear Compartment Lid Release Switch - Interior


Object Number: 2020969  Size: CH

Rear Compartment Lid Release Switch - Interior

Pin

Wire

Circuit

Function

1

BK/WH

351

Ground

2

YE

1491

Backlight Lamp Control

3

WH

1526

Rear Compartment Lid Release Switch Signal

4

--

--

Not Used

Right Rear Door Module (RRDM) - C1


Object Number: 2017466  Size: CH

Right Rear Door Module (RRDM) - C1

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

TN

294

Door Lock Actuator Unlock Control

3

GY

295

Door Lock Actuator Lock Control

4

RD/WH

840

Battery Positive Voltage

5

--

--

Not Used

6

BK/WH

451

Ground

7

--

--

Not Used

8

D-BU

670

Right Rear Power Window Motor Up Control

9

YE

1491

Backlight Lamp Control

10-14

--

--

Not Used

15

D-GN

5060

Low Speed GMLAN Serial Data

16

BN

671

Power Window Motor Right Rear Down Control

Right Rear Door Module (RRDM) - C2


Object Number: 2017467  Size: CH

Connector Part Information

  • OEM: 1740472
  • Service: N/A
  • Description: 20-Way F AMP Multi-Lock (BK)

Right Rear Door Module (RRDM) - C2

Pin

Wire

Circuit

Function

1-12

--

--

Not Used

13

YE/BK

1181

Right Rear Door Open Switch Signal

14

L-GN/BK

748

Right Rear Door Ajar Switch Signal

15

WH

1185

Power Window Switch Left Rear Up Signal

16

OG

1189

Rear Front Power Window Switch Low Voltage

17

--

--

Not Used

18

YE/BK

6859

Power Window Status

19

L-GN

5049

Right Rear Power Window Switch Express Signal

20

--

--

Not Used

Valet Switch


Object Number: 130642  Size: CH

Valet Switch

Pin

Wire

Circuit

Function

A

RD/WH

3640

Battery Positive Voltage

B

BN

253

Trunk Release Relay Control

Window Motor - Driver


Object Number: 1519711  Size: CH

Window Motor - Driver

Pin

Wire

Circuit

Function

1

BN

165

Left Front Power Window Motor Down Signal

2

D-BU

164

Left Front Power Window Motor Up Signal

3

YE/BK

6859

Power Window Status

4

BK

350

Ground

5

--

--

Not Used

6

RD/WH

1040

Battery Positive Voltage

Window Motor - Front Passenger


Object Number: 1519711  Size: CH

Window Motor - Front Passenger

Pin

Wire

Circuit

Function

1

BN

667

Right Front Power Window Motor Down Signal

2

D-BU

666

Right Front Power Window Motor Up Signal

3

YE/BK

6859

Power Window Status

4

BK

450

Ground

5

--

--

Not Used

6

RD/WH

1040

Battery Positive Voltage

Window Motor - Left Rear


Object Number: 1519711  Size: CH

Window Motor - Left Rear

Pin

Wire

Circuit

Function

1

D-BU

668

Left Rear Power Window Motor Up Signal

2

BN

669

Left Rear Power Window Motor Down Signal

3

YE/BK

6859

Power Window Status

4

BK

350

Ground

5

--

--

Not Used

6

RD/WH

1040

Battery Positive Voltage

Window Motor - Right Rear


Object Number: 1519711  Size: CH

Window Motor - Right Rear

Pin

Wire

Circuit

Function

1

D-BU

670

Right Rear Power Window Motor Up Signal

2

BN

671

Right Rear Power Window Motor Down Signal

3

YE/BK

6859

Power Window Status

4

BK

450

Ground

5

--

--

Not Used

6

RD/WH

1040

Battery Positive Voltage

Window Switch - Front Passenger


Object Number: 258172  Size: CH

Window Switch - Front Passenger

Pin

Wire

Circuit

Function

1

OG

1189

Right Front Power Window Switch Low Reference

2

WH

1185

Left Rear Power Window Switch Up Signal

3

PU

2765

Right Front Power Window Switch Express Signal

4

BK/WH

451

Ground

5

YE

1491

Backlight Lamp Control

Window Switch - Left Rear/Right Rear


Object Number: 258172  Size: CH

Window Switch - Left Rear/Right Rear

Pin

Wire

Circuit

Function

1

YE

1187

Left Rear Power Window Switch Down Signal

2

D-GN

1184

Right Front Power Window Switch Up Signal

3

D-GN

5048

Left Rear Power Window Switch Express Signal

4

BK/WH

351

Ground

5

YE

1491

Backlight Lamp Control