GM Service Manual Online
For 1990-2009 cars only
Connector 1: Electronic Brake Control Module (EBCM)
Connector 2: Longitudinal Accelerometer
Connector 3: Traction Control Switch
Connector 4: Wheel Speed Sensor (WSS) - Left Front
Connector 5: Wheel Speed Sensor (WSS) - Left Rear
Connector 6: Wheel Speed Sensor (WSS) - Right Front
Connector 7: Wheel Speed Sensor (WSS) - Right Rear

Electronic Brake Control Module (EBCM)


Object Number: 684893  Size: CH

Connector Part Information

  • OEM: 15326390
  • Service: 12167314
  • Description: 30-Way F GT 150 Series (BK)

Electronic Brake Control Module (EBCM)

Pin

Wire Color

Circuit No.

Function

1

BN

882

Right Rear Wheel Speed Sensor Signal

2

WH

883

Low Reference

3

--

--

Not Used

4

D-GN

872

Right Front Wheel Speed Sensor Signal

5

TN

833

Low Reference

6

L-BU

1320

Stop Lamp Supply Voltage

7

--

--

Vent Tube

8

PK

1339

Ignition 1 Voltage

9

PU

333

Brake Fluid Level Sensor Signal

10

D-BU

716

LNG Rate Signal

11

L-BU

2206

Traction Control Preference Switch Signal

12

BK

2150

Ground

13

RD

442

Battery Positive Voltage

14

OG

2340

Battery Positive Voltage

15

BK

2851

Ground

16

OG

2554

Traction Control Preference Switch Indicator

17

--

--

Not Used

18

L-BU

2088

Low Reference

19

--

--

Not Used

20

L-BU

830

Left Front Wheel Speed Sensor Signal

21

YE

873

Low Reference

22

BK

884

Left Rear Wheel Speed Sensor Signal

23

RD

885

Low Reference

24

--

--

Not Used

25

L-BU

1122

Class 2 Serial Data

26-27

--

--

Not Used

28

D-GN

2087

5-Volt Reference

29-30

--

--

Not Used

Longitudinal Accelerometer


Object Number: 845634  Size: CH

Connector Part Information

  • OEM: 10723270
  • Service: See Catalog
  • Description: 3-Way F Bosch Sealed (BK)

Longitudinal Accelerometer

Pin

Wire Color

Circuit No.

Function

1

L-BU

2088

LNG Rate Low Reference

2

D-BU

716

LNG Rate Signal

3

D-GN

2087

LNG Rate Sensor 5-Volt Reference

Traction Control Switch


Object Number: 304345  Size: CH

Connector Part Information

  • OEM: 12177195
  • Service: 15305931
  • Description: 6-Way F Metri-Pack 150 Series (BK)

Traction Control Switch

Pin

Wire Color

Circuit No.

Function

A

L-BU

2206

Traction Control Preference Switch Signal

B

BK/WH

1851

Ground

C

OG

2554

Traction Control Preference Switch Indicator

D

PU/WH

1382

LED Dimming Signal/LED Dimming Supply

E

BN/WH

230

Instrument Panel Lamps Dimming Control

F

PK

639

Ignition 1 Voltage

Wheel Speed Sensor (WSS) - Left Front


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Wheel Speed Sensor (WSS) - Left Front

Pin

Wire Color

Circuit No.

Function

A

L-BU

830

Left Front Wheel Speed Sensor Signal

B

YE

873

Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - Left Rear


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 12162193
  • Service: 88987978
  • Description: 2-Way F Metri-Pack 150.2 Series Sealed Pull To Seat (BK)

Wheel Speed Sensor (WSS) - Left Rear

Pin

Wire Color

Circuit No.

Function

A

BK

884

Left Rear Wheel Speed Sensor Signal

B

RD

885

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - Right Front


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Wheel Speed Sensor (WSS) - Right Front

Pin

Wire Color

Circuit No.

Function

A

D-GN

872

Right Front Wheel Speed Sensor Signal

B

TN

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - Right Rear


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 12162193
  • Service: 88987978
  • Description: 2-Way F Metri-Pack 150.2 Series Sealed Pull To Seat (BK)

Wheel Speed Sensor (WSS) - Right Rear

Pin

Wire Color

Circuit No.

Function

A

BN

882

Right Rear Wheel Speed Sensor Signal

B

WH

883

Right Rear Wheel Speed Sensor Low Reference