GM Service Manual Online
For 1990-2009 cars
Table 1: Electronic Brake Control Module (EBCM) C1
Table 2: Electronic Brake Control Module (EBCM) C2
Table 3: Wheel Speed Sensors (WSS)

Electronic Brake Control Module (EBCM) C1


Object Number: 239998  Size: CH

Connector Part Information

    • 12162896
    • 2 Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

RED

142

Battery Positive Voltage

2

BLK

50

Ground

Electronic Brake Control Module (EBCM) C2


Object Number: 309424  Size: CH

Connector Part Information

    • 15324027
    • 24 Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

LT GRN

867

ABS Indicator Failure Control

2

--

--

Not Used - Early Production

2

PNK

1905

Retarder Disable Control - Late LG5

3-4

--

--

Not Used

5

TAN/WHT

799

ABS Serial Data

6

--

--

Not Used

7

PPL

333

Brake Fluid Level Sensor Signal - Early LG5

7

DK BLU

1899

Brake Lamp Relay Control - All Except Early LG5

8

BRN

882

Right Rear Wheel Speed Sensor Signal

9

BLK

884

Left Rear Wheel Speed Sensor Signal

10

DK GRN

872

Right Front Wheel Speed Sensor Signal

11

LT BLU

830

Left Front Wheel Speed Sensor Signal

12-13

--

--

Not Used

14

BRN

341

Ignition 3 Voltage

15

TAN

848

Brake Switch Signal

16-19

--

--

Not Used

20

WHT

883

Right Rear Wheel Speed Sensor Low Reference

21

RED

885

Left Rear Wheel Speed Sensor Low Reference

22

TAN

833

Right Front Wheel Speed Sensor Low Reference

23

YEL

873

Left Front Wheel Speed Sensor Low Reference

24

--

--

Not Used

Wheel Speed Sensors (WSS)


Object Number: 684858  Size: CH

Connector Part Information

    • 12162852
    • 2 Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

Left Front

A

LT BLU

830

Left Front Wheel Speed Sensor Signal

B

YEL

873

Left Front Wheel Speed Sensor Low Reference

Right Front

A

TAN

833

Right Front Wheel Speed Sensor Low Reference

B

DK GRN

872

Right Front Wheel Speed Sensor Signal

Left Rear

A

BLK

884

Left Rear Wheel Speed Sensor Signal

B

RED

885

Left Rear Wheel Speed Sensor Low Reference

Right Rear

A

BRN

882

Right Rear Wheel Speed Sensor Signal

B

WHT

883

Right Rear Wheel Speed Sensor Low Reference