GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Brake Control Module (C1)
Table 2: Electronic Brake Control Module Connector (C2)
Table 3: Electronic Brake Control Module (C3)
Table 4: Wheel Speed Sensor LH
Table 5: Wheel Speed Sensor RH

Electronic Brake Control Module (C1)


Object Number: 280766  Size: CH

Connector Part Information

    • 12045809
    • 10-Way Female M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Fuse Output Ignition 3 Type 3 Fuse

B

LT GRN

867

ABS Failure Indicator Lamp Output

C

PPL

420

Brake Pedal Switch Output Torque Converter Clutch

D

--

--

Not Used

E

YEL/BLK

1827

Vehicle Speed Signal 128,000 Pulses Per Mile

F

TAN/WH T

33

Brake Warning Indicator Lamp Output

G

PPL

1807

Serial Data Signal Class B 10400 Baud Primary

H

PPL/WHT

680

ABS Pressure Differential Sensor Signal

J

BLK

650

Ground

Electronic Brake Control Module Connector (C2)


Object Number: 68766  Size: CH

Connector Part Information

    • 12124662
    • 5-Way Female M/P 150 (BRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

830

Wheel Speed Sensor Signal Left Front

B

--

--

Not Used

C

DK GRN

872

Wheel Speed Sensor Signal Right Front

D

YEL

873

Wheel Speed Sensor Return Left Front

E

TAN

833

Wheel Speed Sensor Return Right Front

Electronic Brake Control Module (C3)


Object Number: 62489  Size: CH

Connector Part Information

    • 12020341
    • 2-Way Female M/P 630 (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Fuse Output Battery Type 2 Fuse

B

BLK

650

Ground

Wheel Speed Sensor LH


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way Female M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

830

Wheel Speed Sensor Return Right

B

YEL

873

Wheel Speed Sensor Signal Right

Wheel Speed Sensor RH


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way Female M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

833

Wheel Speed Sensor Return Right

B

DK GRN

872

Wheel Speed Sensor Signal Right