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

Body Control Module (BCM) Connector C1


Object Number: 333019  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

C1

--

--

Not Used

C2

LT BLU

1872

Exterior Lamps Off Input (GND)

C3

PPL

1500

Ignition 0 Signal Input (B+)

C4-C5

--

--

Not Used

C6

BLK

28

Horn Output (GND)

C7

--

--

Not Used

C8

ORN

192

Fog Lamp Enable Output (GND) (if equipped w/ fog lights)

C9

PNK/WHT

1970

Daytime Running Lamps (DRL) Link

C10

--

--

Not Used

C11

BLK/WHT

238

Driver Seat Belt Unfastened Input (GND)

C12

PNK

439

Ignition 1 Signal Input (B+)

C13

PPL

806

Crank Signal Input (B+)

C14

LT GRN

1391

Driver Door Unlock Output (GND)

C15

BLK

917

Remote Function Actuation (RFA) Link - Keyless Entry

C16

DK BLU/WHT

727

Door Open Input (GND)

D1

LT GRN

80

Key In Ignition Input (GND)

D2

YEL

1836

PASSLOCK Sensor Data Input

D3

BLK

1835

PASSLOCK Sensor Ground

D4

--

--

Not Used

D5

ORN/BLK

233

Park Brake Applied Input (GND)

D6-D11

--

--

Not Used

D12

RED/BLK

780

Door Lock Switch Input (GND)

D13

ORN/BLK

781

Door Unlock Switch Input (GND)

D14

LT GRN/BLK

394

Illuminated Entry Input (GND)

D15

DK BLU/WHT

1495

Courtesy Lights On Input (GND)

D16

DK BLU

49

Driver Door Open Input (GND)

Body Control Module (BCM) Connector C2


Object Number: 130689  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

GRY

157

Theater Dimming 2 Ground Output

A2-A5

--

--

Not Used

A6

WHT

1459

PASSLOCK Sensor Power Output (B+)

A7-A8

--

--

Not Used

A9

ORN/BLK

737

Trunk Ajar Input (GND)

A10

--

--

Not Used

A11

1571

BRN/WHT

Traction Control Request Input (GND) (w/ RPO LX5 Only)

A12

--

--

Not Used

B1

WHT

156

Theater Dimming 1 Ground Output

B2-B4

--

--

Not Used

B5

LT GRN

1037

Serial Data Link (Class II)

B6-B12

--

Not Used

Body Control Module (BCM) Connector C3


Object Number: 39763  Size: CF

Connector Part Information

    • 12064769
    • 10 Way F Micro-Pack 150 Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Power Door Lock Ground Input

B

ORN

2340

BCM Power Input (B+)

C

--

--

Not Used

D

BLK

1550

BCM Ground

E

BLK

1750

Theater Dimming Input (GND)

F

ORN

1732

Courtesy Lamps Input (B+)

G

GRY

295

All Door Lock Output

H

TAN

294

Passenger Door Unlock Output

J

ORN

1540

Power Door Lock Power Input (B+)

K

ORN

240

Courtesy Lamps Output (B+)