GM Service Manual Online
For 1990-2009 cars only

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.

Function

A1

DK BLU

1393

Interior Lamp Relay Output-COIL

A2

WHT

1080

Park Lamp Relay Output-COIL

A3

ORN

2140

Fuse Output-BATTERY

A4

--

--

Not Used

A5

LT GRN

1037

Serial Data Signal-Class B to BCM

A6

BLK

1050

Ground

A7

BLK

1050

Ground

A8

LT GRN/BLK

592

DRL Relay Output-COIL

A9

--

--

Not Used

A10

WHT

156

Courtesy Lamp Output

A11

LT GRN

377

Serial Data Signal

A12

PPL

1500

Fuse Output-ACCESSORY

B1

--

--

Not Used

B2

DK GRN/WHT

1317

Fog Lamp Relay Output-COIL

--

--

--

Not Used (RPO 9C1/9C6)

B3

BLK/WHT

1969

High Beam Headlamp Relay Output-COIL

B4

--

--

Not Used

B5

BLK

28

Horn Relay Output-COIL

B6

DK BLU

38

Backup Lamp Relay Feed-COIL

B7

BLK

1050

Ground

B8

TAN/WHT

816

BTSI Output

B9

WHT

1459

Magnetic Rotation Deterrent Ignition Key Cylinder Sensor

B10

PNK

1200

Headlamp Lamp Output-High Beam Feed-12 Volts

B11

GRY

8

Instrument Panel Lamp Feed

B12

BLK

1835

Magnetic Rotation Detection Sensor Return

Body Control Module, C2


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24 Way F Mirco-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1940

Fuse Output-BATTERY

A2

LT BLU

1344

Trunk Release Relay Output-COIL

A3

YEL

1836

Magnetic Rotation Detection Sensor Signal

A4

ORN

1840

Fuse Output-BATTERY

A5

LT GRN/BLK

1137

DRL Photocell Signal

A6

TAN

294

Power Door Lock Motor Feed-UNLOCK

A7

GRY

295

Power Door Lock Motor Feed-LOCK

A8

GRY

157

Interior Lamp Output

A9

BRN/WHT

1571

Traction Control System Switch Signal

A9

--

--

Not Used (RPO w/o NW9)

A10

PNK

139

Fuse Output-IGN 1

A11

RED/BLK

744

Trunk Ajar Switch Signal

A12

TAN

694

Power Door Lock Motor Feed-Driver Door-UNLOCK

B1

--

--

Not Used

B2

YEL/BLK

1138

DRL Photocell Return

B3

ORN/BLK

781

Power Door Lock Switch Output-Driver Switch-UNLOCK

B4

YEL

10

Headlamp Switch-OUTPUT

B5

BLK/WHT

1251

Ground-Clean

B6

DK BLU/WHT

1495

Courtesy Lamp Switch Output

B7

PPL

328

Interior Lamp Defeat Switch Output (RPO 9C1/9C6)

B7

--

--

Not Used

B8

ORN

480

Fuse Output-Electronic Control

B9

BLK

707

Delayed Accessory Bus Relay Feed-COIL-Accessory Relay

B10-B12

--

--

Not Used

Body Control Module, C3


Object Number: 73152  Size: CH

Connector Part Information

    • 12084945
    • 16 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

DK BLU/WHT

727

Door Latch Switch Signal-Seconday

A2

LT BLU

74

Park Lamp Switch Output

A3

--

--

Not Used

A4

DK GRN/WHT

762

A/C Request Signal

A5

YEL

43

Fuse Output-ACCESSORY

A6

--

--

Not Used

A7

BLK

1576

Trunk Release Switch Output

A8

DK BLU

49

Door Jamb Switch-DRIVER

B1

LT GRN

80

Key Reminder Switch Signal

B2

DK BLU/WHT

148

Glove Box Lamp Feed

B3

LT GRN

262

Door Key Lock Cylinder Switch Signal-DRIVER

B3

--

--

Not Used (RPO 9C1/9C6)

B4

--

--

Not Used

B5

DK GRN

389

Vehicle Speed Signal

B6

LT GRN

1844

Park Brake Auto Apply "Indicator Lamp Feed

B7

ORN

142

Interior Lamp Defeat Switch Output

B7

--

--

Not Used (RPO 9C1/9C6)

B8

--

--

Not Used