GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module (BCM) C1
Table 2: Body Control Module (BCM) C2
Table 3: Body Control Module (BCM) C3

Body Control Module (BCM) C1


Object Number: 333019  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

C1

--

--

Not Used

C2

LT BLU

1872

Park Lamp OFF (Ground)

C3

PPL

1500

Ignition 0 Battery Feed

C4

--

--

Not Used

C5

BLK

707

RAP Relay Drive (Ground)

C6

BLK

28

Horn (Ground)

C7

YEL

443

Accessory Battery Feed

C8

ORN

192

Fog Lamp Control (Ground)

C9

PNK/WHT

1970

Daytime Runnig Lamps (DRL) Link

C10

LT GRN

1055

Tire Reset Switch

C11

BLK/WHT

238

Seat Belt Switch Input

C12

PNK

439

Fused IGN Feed

C13

PPL

806

Crank Battery Feed

C14

LT GRN

1391

Driver Door Unlock

C15

LT GRN

377

Keyless Entry Link (Serial Data)

C16

DK BLU/WHT

727

Passenger Door Ajar (Battery)

D1

LT GRN

80

Key In Ignition (Battery)

D2

WHT/BLK

1073

Ignition Key Read (5 Volts)

D3

PPL/WHT

1074

Ignition Reference Low/Key Read (Ground)

D4

--

--

Not Used

D5

ORN/BLK

233

Park Brake (Input)

D6-11

--

--

Not Used

D12

RED/BLK

780

Door Lock Switch (Lock)

D13

ORN/BLK

781

Door Lock Switch (Unlock)

D14

--

--

Not Used

D15

DK BLU/WHT

1495

Courtesy Lamp Switch Output

D16

DK BLU

49

Driver Door Ajar Output

Body Control Module (BCM) C2


Object Number: 130689  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

GRY

157

Theater Dimming 2

A2-7

--

--

Not Used

A8

DK BLU

1493

Perforance Shift Inpu

A9

ORN/BLK

737

Trunk Ajar (Battery)

A10

--

--

Not Used

A11

BRN/WHT

1571

Traction Control Request Input

A12

DK BLU

38

Backup Lamp Relay Feed-Coil

B1

WHT

156

Theater Dimming 1

B2-4

--

--

Not Used

B5

LT GRN

1037

Serial Data Link-Class 2

B6-11

--

--

Not Used

B12

BRN

253

Trunk Release Relay Feed-Coil

Body Control Module (BCM) C3


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10-Way F Metric-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Door Lock Ground

B

ORN

2340

BCM-Battery

C

--

--

Not Used

D

BLK

1550

BCM-Ground

E

BLK/WHT

1750

Theater Dimming-Ground

F

ORN

1732

Courtesy Lamp-Battery

G

GRY

295

All Door Lock

H

TAN

294

Passenger Doors Unlock

J

ORN

1540

Door Locks-Battery

K

ORN

240

Courtesy Lamps-Battery