GM Service Manual Online
For 1990-2009 cars only
Connector 1: Electronic Brake Control Module (EBCM)
Connector 2: Traction Control Switch (JM4 W/Traction Control)
Connector 3: Wheel Speed Sensor (WSS) - LF
Connector 4: Wheel Speed Sensor (WSS) - LR
Connector 5: Wheel Speed Sensor (WSS) - RF
Connector 6: Wheel Speed Sensor (WSS) - RR

Electronic Brake Control Module (EBCM)


Object Number: 1283121  Size: CH

Connector Part Information

  • OEM: 1928403008
  • Service: See Catalog
  • Description: 31-Way F (BK)

Electronic Brake Control Module (EBCM)

Pin

Wire Color

Circuit No.

Function

1

WH

883

RR Wheel Speed Sensor Low Reference

2

--

--

Not Used

3

BN

882

RR Wheel Speed Sensor Signal

4

TN

833

RF Wheel Speed Sensor Low Reference

5

D-GN

872

RF Wheel Speed Sensor Signal

6

YE

873

LF Wheel Speed Sensor Low Reference

7

L-BU

830

LF Wheel Speed Sensor Signal

8

OG

885

LR Wheel Speed Sensor Low Reference

9

TN

884

LR Wheel Speed Sensor Signal

10-14

--

--

Not Used

15

PK

1039

Ignition 1 Voltage

16

BK

350

Ground

17

RD/BK

702

Battery Positive Voltage

18

RD/WH

140

Battery Positive Voltage

19

BK

350

Ground

20-24

--

--

Not Used

25

TN

2501

High Speed GMLAN Serial Data (-)

26

--

--

Not Used

27

TN/BK

2500

High Speed GMLAN Serial Data (+)

28

--

--

Not Used

29

TN

2501

High Speed GMLAN Serial Data (-)

30

TN/BK

2500

High Speed GMLAN Serial Data (+)

31

--

--

Not Used

Traction Control Switch (JM4 W/Traction Control)


Object Number: 1413096  Size: CH

Connector Part Information

  • OEM: 60981307
  • Service: See Catalog
  • Description: 5-Way F (BU)

Traction Control Switch (JM4 W/Traction Control)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BK

550

Ground

C

GY

8

Instrument Panel Lamp Supply Voltage

D

BN/WH

1571

Traction Control Switch Signal

E

BK

550

Ground

Wheel Speed Sensor (WSS) - LF


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series (GY)

Wheel Speed Sensor (WSS) - LF

Pin

Wire Color

Circuit No.

Function

A

L-BU

830

LF Wheel Speed Sensor Signal

B

YE

873

LF Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - LR


Object Number: 605500  Size: CH

Connector Part Information

  • OEM: 12162343
  • Service: 12162343
  • Description: 2-Way M Metri-Pack 150 Series, Sealed (GY)

Wheel Speed Sensor (WSS) - LR

Pin

Wire Color

Circuit No.

Function

A

BK

885

LR Wheel Speed Sensor Low Reference

B

RD

884

LR Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - RF


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series (GY)

Wheel Speed Sensor (WSS) - RF

Pin

Wire Color

Circuit No.

Function

A

D-GN

872

Wheel Speed Sensor Signal Right Front

B

TN

833

Wheel Speed Sensor Low Reference Right Front

Wheel Speed Sensor (WSS) - RR


Object Number: 605500  Size: CH

Connector Part Information

  • OEM: 12162343
  • Service: 12162343
  • Description: 2-Way M Metri-Pack 150 Series, Sealed (GY)

Wheel Speed Sensor (WSS) - RR

Pin

Wire Color

Circuit No.

Function

A

BN

883

RR Wheel Speed Sensor Low Reference

B

WH

882

RR Wheel Speed Sensor Signal