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

Body Control Module (BCM) C1


Object Number: 73155  Size: CH

Connector Part Information

    • 12089287
    • 8-Way F Metri-pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

TAN

694

Driver Door Unlock Output

B

TAN

294

Door Unlock Output

C

GRY

295

Door Lock Output

D

BLK

1550

Ground

E

DK BLU

1393

Protected B+ Output Courtesy Lights

F

GRY/BLK

690

Courtesy Lights Control Output

G

ORN

240

B+ Feed For Courtesy Lights/BCM

H

ORN

1540

B+ Feed For Door Locks/BCM

Body Control Module (BCM) C2


Object Number: 73157  Size: CH

Connector Part Information

    • 12110207
    • 32-Way F Micro-pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

C1

TAN

159

Driver Door Ajar Switch Input

C2

WHT

156

Interior Light On Request Input

C3

DK BLU

49

Passenger Door Ajar Switch Input

C4

ORN

54

Sliding Door Ajar Input

C5

ORN/BLK

781

Key Cylinder Door Unlock Input (RPO UA6)

C6

WHT

194

Door Unlock Input

C7

LT BLU

195

Door Lock Input

C8

BLK/WHT

1455

RFA Link Input/Output (RPO AU0)

C9

ORN/BLK

1445

BCM Program Input Signal

C10

--

--

Not Used

C11

RED/BLK

780

Key Cylinder Door Lock Input (RPO UA6)

C12

DK GRN

19

Right Turn Signal Input

C13

PNK

39

Ignition 1 Input Signal

C14

YEL

18

Left Turn Signal Input

C15

DK GRN

389

Vehicle Speed Input Signal

C16

--

--

Not Used

D1

BLK/WHT

238

Driver Seat Belt Input

D2

LT GRN

80

Key In Ignition Switch Input

D3

LT GRN

1845

Chime Control

D4

YEL

43

Accessory Input Signal

D5

LT BLU

1872

Park/Head Lamps OFF Input

D6

LT GRN

275

Transaxle PARK Position Input Signal

D7

DK GRN/ WHT

9902

CTD Disarm

D8

--

--

Not Used

D9

BLK

707

RAP Relay Coil Supply Voltage

D10

BLK

28

Horn Control Output (RPO UA6)

D11

BRN/WHT

301

Exterior Lamps Output (RPO UA6)

D12

DK GRN/ WHT

529

Fasten Belts Indicator Control Output

D13

--

--

Not Used

D14

LT GRN

1828

Theft Deterrent Tamper Input (RPO UA6)

D15

YEL

749

Security Indicator Lamp Control Output (RPO UA6)

D16

--

--

Not Used