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

Body Control Module - C1


Object Number: 130689  Size: CH

Connector Part Information

    • 12110244
    • 24 Way F Micro-Pack 100 Series (PNK)

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

BLK

999

ALC HDLP Relay Control

A7

YEL/BLK

1138

Ambient Light Sensor Input

A8

-

-

Not Used

A9

BLK/WHT

851

Ground - Clean

A10

LT GRN/BLK

1137

Ambient Light Sensor Ground

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

--

--

Not Used

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

GRY

2169

TONN REL Relay Control (Convertable)

Body Control Module - C2


Object Number: 333019  Size: CH

Connector Part Information

    • 12110245
    • 32 Way F Micro-Pack 100 Series (PNK)

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

C9

DK BLU

2167

Folding Top Lid Latch Signal (Convertable)

C10

PPL

681

Rear Defogger Switch Signal - Secondary

C11

LT GRN

2166

Folding Top Release Input (Convertable)

C12

RED/BLK

744

Trunk Ajar Switch Signal

C13

DK BLU

2167

Folding Top Lid Latch Signal (Convertable)

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

DK GRN

306

Headlamp "OFF" Input

D12

YEL

243

Fuse Output - Accessory - Type III Fuse

D13

PNK

1039

Fuse Output - Ignition 1 - Type III Fuse

D14

DK GRN

911

Sterring Column Lock Relay Control

D15

BRN/WHT

1571

Traction Control System Switch Signal

D16

LT GRN

1966

DRL RH Relay Control

Body Control Module - C3


Object Number: 73152  Size: CH

Connector Part Information

    • 12110259
    • 16 Way F Micro-Pack 100 Series (GRN)

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

YEL/BLK

1784

Park Lamp Relay Control

A6

PPL

1604

Steering Column Unlock Feed

A7

ORN/BLK

1976

DRL LH Relay Control

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