GM Service Manual Online
For 1990-2009 cars only
Connector 1: Electronic Brake Control Module (EBCM)
Connector 2: Oil Feeding Connector
Connector 3: Traction Control Switch
Connector 4: Wheel Speed Sensor (WSS) - LF
Connector 5: Wheel Speed Sensor (WSS) - LR
Connector 6: Wheel Speed Sensor (WSS) - RF
Connector 7: Wheel Speed Sensor (WSS) - RR

Electronic Brake Control Module (EBCM)


Object Number: 1506608  Size: CH

Connector Part Information

  • OEM: 368482-1
  • Service: N/A
  • Description: 25-Way F Micro-Pack 100W Series (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Electronic Brake Control Module (EBCM)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

--

Right Front Wheel Speed Sensor Signal

2

BU/WH

--

Right Front Wheel Speed Sensor Low Reference

3

L-GN/BK

--

Wheel Speed Signal - Left Front

4

PK

--

Ignition 1 Voltage

5

BN

--

Left Rear Wheel Speed Sensor Signal

6

BU

--

Left Rear Wheel Speed Sensor Low Reference

7

WH/BK

--

Serial Data

8

BK

--

Ground

9

RD

--

Battery Positive Voltage

10

BN

--

CAN Serial Data Low

11

BN/BK

--

CAN Serial Data High

12

GY/WH

--

Traction Control Off Indicator Control

13

--

--

Not Used

14

L-BU

--

Traction Control Switch Signal

15

--

--

Not Used

16

GN/BK

--

ABS Indicator Signal

17

PU

--

Traction Control Indicator Control

18

L-BU

--

Stop Lamp Switch Signal

19

BN

--

Right Front Wheel Speed Sensor Signal

20

BU

--

Left Front Wheel Speed Sensor Low Reference

21

GN

--

Traction Control Active Indicator Control

22

BU/BK

--

Right Rear Wheel Speed Sensor Low Reference

23

BN/WH

--

Right Rear Wheel Speed Sensor Signal

BN/BK

--

Right Rear Wheel Speed Sensor Signal (Holden, Euro/Gen, Diesel)

24

BK

--

Ground

25

RD

--

Battery Positive Voltage

Oil Feeding Connector


Object Number: 1467076  Size: CH

Connector Part Information

  • OEM: MG640329
  • Service: N/A
  • Description: 3-Way M SWP Series (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Oil Feeding Connector

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

WH/BK

--

Serial Data

3

PK

--

Ignition 1 Voltage

Traction Control Switch


Object Number: 697046  Size: CH

Connector Part Information

  • OEM: MG652999
  • Service: N/A
  • Description: 4-Way F

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Traction Control Switch

Pin

Wire Color

Circuit No.

Function

A

PK/BK

--

Ignition 2 Voltage

B

L-BU

--

Traction Control Switch Signal

C

BN/WH

--

Instrument Panel Lamps Dimmer Switch Control

D

GN

--

Instrument Panel Lamps Dimmer Switch Signal

Wheel Speed Sensor (WSS) - LF


Object Number: 1963826  Size: CH

Connector Part Information

  • OEM: 174352-2
  • Service: N/A
  • Description: 2-Way F Econoseal J Mark II Series (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Wheel Speed Sensor (WSS) - LF

Pin

Wire Color

Circuit No.

Function

1

BN

--

Left Front Wheel Speed Sensor Signal

2

D-BU

--

Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - LR


Object Number: 1830938  Size: CH

Connector Part Information

  • OEM: PB621-02020
  • Service: N/A
  • Description: 2-Way M (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Wheel Speed Sensor (WSS) - LR

Pin

Wire Color

Circuit No.

Function

1

D-BU

--

Left Rear Wheel Speed Sensor Low Reference

2

BN

--

Left Rear Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - RF


Object Number: 1963826  Size: CH

Connector Part Information

  • OEM: 174352-2
  • Service: N/A
  • Description: 2-Way F Econoseal J Mark II Series (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Wheel Speed Sensor (WSS) - RF

Pin

Wire Color

Circuit No.

Function

1

BN/WH

--

Right Front Wheel Speed Sensor Signal

2

BU/WH

--

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RR


Object Number: 1830938  Size: CH

Connector Part Information

  • OEM: PB621-02020
  • Service: N/A
  • Description: 2-Way M (BK)

Terminal Part Information

  • Terminal/Tray: N/A
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: N/A

Wheel Speed Sensor (WSS) - RR

Pin

Wire Color

Circuit No.

Function

1

BU/BK

--

Right Rear Wheel Speed Sensor Low Reference

2

BN/WH

--

Right Rear Wheel Speed Sensor Signal