GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 GTO 🢒 Brakes 🢒 Antilock Brake System 🢒 Antilock Brake System Connector End Views
Table 1: Electronic Brake Control Module (EBCM)
Table 2: Stop Lamp Switch C1
Table 3: Stop Lamp Switch C2
Table 4: Stop Lamp Switch C3
Table 5: Traction Control Switch
Table 6: Wheel Speed Sensor (WSS) - LF
Table 7: Wheel Speed Sensor (WSS) - LR
Table 8: Wheel Speed Sensor (WSS) - RF
Table 9: Wheel Speed Sensor (WSS) - RR

Electronic Brake Control Module (EBCM)


Object Number: 1548104 Size: CH

Connector Part Information
    • 9123-3042-30
    • 46-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

1

BU

883

Right Rear Wheel Speed Sensor Low Reference

2

BK

882

Right Rear Wheel Speed Sensor Signal

3

--

--

Not Used

4

RD

833

Right Front Wheel Speed Sensor Low Reference

5

WH

872

Right Front Wheel Speed Sensor Signal

6

GY

873

Left Front Wheel Speed Sensor Low Reference

7

BN

830

Left Front Wheel Speed Sensor Signal

8

YE

885

Left Rear Wheel Speed Sensor Low Reference

9

PU

884

Left Rear Wheel Speed Sensor Signal

10

--

--

Not Used

11

GN/WH

1061

UART Serial Data (Secondary)

12

BU/BK

799

ABS Serial Data

13

OG/WH

463

Requested Torque Signal

14

BU/RD

20

Stop Lamp Switch Signal

15

RD

839

Ignition 1 Voltage

16

BK/OG

350

Ground

17

RD

542

Battery Positive Voltage

18

RD

542

Battery Positive Voltage

19

BK

150

Ground

20

YE/RD

832

Traction Control Active Signal

21

GN

875

ABS Indicator Control

22-26

--

--

Not Used

27

BK/WH

464

Delivered Torque Signal

28

GY/BK

1687

Ignition Retard Signal

29

--

--

Not Used

30

BN/RD

121

Engine Speed Signal

31

RD/WH

1571

Traction Control Switch Signal

32

   

33

   

34

   

35

   

36

   

37

   

38

   

39

   

40

   

41

   

42

   

43

   

44

   

45

   

46

   

Stop Lamp Switch C1


Object Number: 1548106 Size: CH

Connector Part Information
    • 9123-4675-30
    • 2-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

A

BU/RD

20

Stop Lamp switch Signal

B

OG/BU

640

Battery Positive Voltage

Stop Lamp Switch C2


Object Number: 1548107 Size: CH

Connector Part Information
    • 2977373
    • 2-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

A

YE/RD

832

Traction Control Active Signal

B

L-GN

696

Cruise Control Cancel Signal

Stop Lamp Switch C3


Object Number: 1548108 Size: CH

Connector Part Information
    • 2977373
    • 2-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

A

YE/RD

832

Traction Control Active Signal

B

L-GN

696

Cruise Control Cancel Signal

Traction Control Switch


Object Number: 1356233 Size: CH

Connector Part Information
    • 7283-1060
    • 6-Way Female (WH)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN/WH

32

Instrument Panel Lamp Fuse Supply Voltage

3

BK/GN

151

Ground

4

--

--

Not Used

5

RD/WH

1571

Traction Control Switch Signal

6

GY

230

Instrument Panel Lamps Dimming Control

Wheel Speed Sensor (WSS) - LF


Object Number: 1356098 Size: CH

Connector Part Information
    • 9421-2940
    • 2-Way Male (WH)

Pin

Wire Color

Circuit No.

Function

A

BN

830

Left Front Wheel Speed Sensor Signal

B

GY

873

Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - LR


Object Number: 1356098 Size: CH

Connector Part Information
    • 9421-5000
    • 2-Way Male (WH)

Pin

Wire Color

Circuit No.

Function

A

PU

884

Left Rear Wheel Speed Sensor Signal

B

YE

885

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RF


Object Number: 1356098 Size: CH

Connector Part Information
    • 9421-0415
    • 2-Way Male (WH)

Pin

Wire Color

Circuit No.

Function

A

WH

872

Right Front Wheel Speed Sensor Signal

B

RD

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RR


Object Number: 1356098 Size: CH

Connector Part Information
    • 9421-4000
    • 2-Way Male (WH)

Pin

Wire Color

Circuit No.

Function

A

BK

882

Right Rear Wheel Speed Sensor Signal

B

BU

883

Right Rear Wheel Speed Sensor Low Reference