GM Service Manual Online
For 1990-2009 cars only

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

DK GRN/WHT

1317

Rear Fog Lamp Control (Ground)

C9

PNK/WHT

1970

Automatic Headlamp Link

C10

LT GRN

1055

Tire Inflation Reset Switch

C11

BLK/WHT

238

Seat Belt Switch (IGN 1)

C12

PPL

1500

Ignition 1 Battery Feed

C13

PPL

806

Crank Battery Feed

C14

LT GRN

1391

Driver Door Unlock

C15

BLK

377

Keyless Entry Link

C16

DK BLU/WHT

727

Passenger Door Ajar (Battery)

D1

LT GRN

80

Key In Ignition (Battery)

D2

BLK/WHT

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

PPL

34

Fog Lamp

D7-D11

--

--

Not Used

D12

RED/BLK

780

Door Lock Switch (Lock)

D13

ORN/BLK

781

Door Lock Switch (Unlock)

D14

YEL

10

Headlamp On Input

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-A7

--

--

Not Used

A8

YEL

1977

Ign 1

A9

ORN/BLK

737

Trunk Ajar (Battery)

A10

--

--

Not Used

A11

BRN/WHT

1571

Performance Shift Switch Input

A12

DK BLU

38

Backup Lamp Relay Feed-Coil

B1

WHT

156

Theater Dimming 1

B2-B4

--

--

Not Used

B5

LT GRN

1037

Serial Data Link-Class II

B6-B11

--

--

Not Used

B12

BRN

253

Rear Compartment Lid Release Relay Control

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

Rear Fog Lamp Switch

E

BLU/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