GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module - C1
Table 2: Body Control Module - C2
Table 3: Body Control Module - C3
Table 4: Electronic Traction Control Switch
Table 5: Hood Ajar indicator Switch
Table 6: Steering Wheel Lock

Body Control Module - C1


Object Number: 73156  Size: CH

Connector Part Information

    • 1211-0244
    • 24 Way F Micro-Pack 100 Series

Pin

Wire Color

Circuit No.

Fuction

A1

-

-

Not Used

A2

-

-

Not Used

A4

WHT/BLK

1073

Ignition Key Resistor Feed

A4

ORN

1640

Fuse Output - Type III Fuse

A5

-

-

Not Used

A6

-

-

Not Used

A7

-

-

Not Used

A8

-

-

Not Used

A9

BLK/WHT

851

Ground - Clean

A10

-

-

Not Used

A11

-

-

Not Used

A12

BLU DK

1393

Interior Lamp Relay Output - Coil

B1

-

-

Not Used

B2

PPL/WHT

1074

Ignition Key Resistor Return

B3

GRY

1901

Rear Fog Lamp Relay Control (Export)

B4

DK GRN/WHT

1317

Fog Lamp Relay Output - Coil

B5

-

-

Not Used

B6

LT GRN

1037

Serial Data Signal - Class B - 10400 BAUD - Diagnostic To Body Module

B7

GRY

969

ABSTRNS Relay Control

B8

-

-

Not Used

B9

LT BLU

1344

Trunk Release Relay Output - Coil

B10

BLK

28

Horn Relay Output - Coil

B11

BRN

141

Fuse Output - Ignition 3 - Type III Fuse

B12

-

-

Not Used

Body Control Module - C2


Object Number: 154609  Size: CH

Connector Part Information

    • 1211-0245
    • 32 Way F

Pin

Wire Color

Circuit No.

Fuction

C1

DK BLU

38

Back Up Lamp Relay Feed - Coil

C2

GRY/BLK

745

Door Ajar Switch Signal - LT FRT

C3

WHT

193

RR Defogger Relay Output - Coil

C4

ORN

640

Fuse Output - BATT - Type III Fuse

C5

-

-

Not Used

C6

TAN

159

Key Reminder Switch Output

C7

-

-

Not Used

C8

-

-

Not Used

C9

PNK/BLK

109

Hood Ajar Switch Signal

C10

PPL

681

Rear Defogger Switch Signal - Secondary

C11

-

-

Not Used

C12

RED/BLK

744

Trunk Ajar Switch Signal

C13

-

-

Not Used

C14

LT GRN

80

Key Reminder Switch Signal

C15

LT GRN

1601

Steering Column Lock Signal

C16

-

-

Not Used

D1

BLK/WHT

746

Door Ajar Switch Signal - Right FRT

D2

-

-

Not Used

D3

-

-

Not Used

D4

ORN

192

Fog Lamp Switch Output - FRT

D5

LT BLU

187

Fog Lamp Switch Output - RR

D6

-

-

Not Used

D7

DK BLU

15

Turn Signal Lamp Feed - RT FRT

D8

LT BLU

14

Turn Signal Lamp Feed - LT FRT

D9

BLK

1576

Trunk Release Switch Output

D10

-

-

Not Used

D11

-

-

Not Used

D12

YEL

243

Fuse Output - Accessory - Type III Fuse

D13

PNK

1039

Fuse Output - Ignition 1 - Type III Fuse

D14

-

-

Not Used

D15

BRN/WHT

1571

Traction Control System Switch Signal

D16

ORN

1915

AAS Modulator Feed - LT RR

Body Control Module - C3


Object Number: 73152  Size: CH

Connector Part Information

    • 1211-0259
    • 16 Way F Micro-Pack 100 Series (RED)

Pin

Wire Color

Circuit No.

Fuction

A1

-

-

Not Used

A2

BLK

150

Ground

A3

GRY/BLK

690

Courtesy Lamp Relay Output - Coil

A4

ORN

2540

Not Used

A5

-

-

Not Used

A6

PPL

1604

Steering Column Unlock Feed

A7

LT BLU/BLK

1914

AAS Modulator Output - Hold - LT RR

A8

ORN

1603

Steering Column Lock Feed

B1

BRN

1244

I/P Lamp Feed #2

B2

YEL

390

I/P Panel Lamp Feed - Tertiary

B3

-

-

Not Used

B4

YEL

183

Fog Lamp Indicator - FRT

B5

-

-

Not Used

B6

GRY

8

Instrument Panel Lamp Feed

B7

YEL/BLK

625

Vehicle Anti - Theft System Starter Enable Relay Output Coil

B8

TAN

159

Key Reminder Switch Output

Electronic Traction Control Switch


Object Number: 95772  Size: CH

Connector Part Information

    • 1204-0953
    • 6 Way F Metri-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Fuction

5

BLK

150

Ground

6

BRN/WHT

1571

Traction Control System Switch Signal

7

PNK/BLK

1385

Selective Ride Control Switch Signal

8

TAN/WHT

1384

Selective Ride Control Switch Return

9

BRN

1244

I/P Lamp Feed #2

10

BRN

9

Park Lamp Feed

Hood Ajar indicator Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2641
    • 2 Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Fuction

A

PNK/BKL

109

Hood Ajar Switch Signal

B

BLK

150

Ground

Steering Wheel Lock


Object Number: 95841  Size: CH

Connector Part Information

    • 1206-6498
    • $ Way F

Pin

Wire Color

Circuit No.

Fuction

A

BLK

150

Ground

B

LT GRN

1601

Steering Column Lock Signal

C

PPL

1604

Steering Column Unlock Feed

D

ORN

1603

Steering Column Lock Feed