GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Pressure Differential Switch
Table 2: Electronic Brake Control Module (EBCM) C1
Table 3: Electronic Brake Control Module (EBCM) C2
Table 4: Electronic Brake Control Module (EBCM) C3
Table 5: Wheel Speed Sensor - LF
Table 6: Wheel Speed Sensor - RF
Table 7: Vehicle Speed Sensor (VSS) - A/T
Table 8: Vehicle Speed Sensor (VSS) - M/T

Brake Pressure Differential Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052646
    • 2 Way F Metri-pack 150 Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

PPL

680

Brake Pressure Differential Switch Signal

B

BLK

150

Ground

Electronic Brake Control Module (EBCM) C1


Object Number: 258921  Size: CH

Connector Part Information

    • 12065425
    • 10 Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Ignition 3 Voltage

B

LT GRN

867

ABS Indicator Failure Control

C

PPL

420

TCC Brake Switch Signal

D

BLK/WHT

1695

Axle Switch Signal

E

YEL/BLK

1827

Vehicle Speed Signal

F

TAN/WHT

33

Brake Warning Indicator Control

F

TAN/WHT

799

ABS Serial Data

G

PPL

1807

Class 2 Serial Data (Primary)

H

PPL

680

Brake Pressure Differential Switch Signal

J

BLK

150

Ground

K

--

--

Not Used

Electronic Brake Control Module (EBCM) C2


Object Number: 68766  Size: CH

Connector Part Information

    • 12124662
    • 5 Way F Metri-pack 150 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A

YEL

873

Left Front Wheel Speed Sensor Low Reference

C

TAN

833

Right Front Wheel Speed Sensor Low Reference

D

LT BLU

830

Left Front Wheel Speed Sensor Signal

E

DK GRN

872

Right Front Wheel Speed Sensor Signal

Electronic Brake Control Module (EBCM) C3


Object Number: 684800  Size: CH

Connector Part Information

    • 12085030
    • 2 Way F Metri-pack 630 Series P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Battery Positive Voltage

B

BLK

150

Ground

Wheel Speed Sensor - LF


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2 Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

873

Left Front Wheel Speed Sensor Low Reference

B

LT BLU

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor - RF


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2 Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

833

Right Front Wheel Speed Sensor Low Reference

B

DK GRN

872

Right Front Wheel Speed Sensor Signal

Vehicle Speed Sensor (VSS) - A/T


Object Number: 237066  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri-pack 150.2 Series P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High Signal

B

LT GRN/BLK

822

VSS Low Signal

Vehicle Speed Sensor (VSS) - M/T


Object Number: 38554  Size: CH

Connector Part Information

    • 12124819
    • 2 Way F Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High Signal

B

LT GRN/BLK

822

VSS Low Signal