GM Service Manual Online
For 1990-2009 cars only
Connector 1: Electronic Brake Control Module (EBCM)
Connector 2: Wheel Speed Sensor (WSS) - Left Front
Connector 3: Wheel Speed Sensor (WSS) - Left Rear
Connector 4: Wheel Speed Sensor (WSS) - Right Front
Connector 5: 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 150 280 Series Sealed (BK)

Terminal Part Information

  • Pins: 2, 3, 6, 9, 11, 22, 23, 25, 27, 4, 5, 8, 20, 21
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins 2, 3, 6, 9, 11, 22, 23, 25, 27: E/A
  • Core/Insulation Crimp: Pins 4, 5, 8, 20, 21: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: 12, 13, 14, 15
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Electronic Brake Control Module (EBCM)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN

882

Right Rear Wheel Speed Sensor Signal

3

WH

883

Right Rear Wheel Speed Sensor Low Reference

4

D-GN

872

Right Front Wheel Speed Sensor Signal

5

TN

833

Right Front Wheel Speed Sensor Low Reference

6

WH

17

Stop Lamp Switch Signal

7

--

--

Not Used

8

PK

1039

Ignition 1 Voltage

9

TN/BK

464

Delivered Torque Signal (NW9)

10

--

--

Not Used

11

WH

121

Engine Speed Signal (NW9)

12

BK/WH

251

Ground

13

RD

1442

Battery Positive Voltage

14

OG

1740

Battery Positive Voltage

15

BK/WH

251

Ground

16-19

--

--

Not Used

20

L-BU

830

Left Front Wheel Speed Sensor Signal

21

YE

873

Left Front Wheel Speed Sensor Low Reference

22

BK

884

Left Rear Wheel Speed Sensor Signal

23

RD

885

Left Rear Wheel Speed Sensor Low Reference

24

--

--

Not Used

25

L-BU

1122

Class 2 Serial Data

26

--

--

Not Used

27

OG/BK

463

Requested Torque Signal (NW9)

28-30

--

--

Not Used

Wheel Speed Sensor (WSS) - Left Front


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: 15306302
  • Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Wheel Speed Sensor (WSS) - Left Front

Pin

Wire Color

Circuit No.

Function

A

YE

873

Left Front Wheel Speed Sensor Low Reference

B

L-BU

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - Left Rear


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: 15306302
  • Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Wheel Speed Sensor (WSS) - Left Rear

Pin

Wire Color

Circuit No.

Function

A

WH

883

Left Rear Wheel Speed Sensor Low Reference

B

BK

882

Left Rear Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - Right Front


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: 15306302
  • Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

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: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: 15306302
  • Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Wheel Speed Sensor (WSS) - Right Rear

Pin

Wire Color

Circuit No.

Function

A

WH

883

Right Rear Wheel Speed Sensor Low Reference

B

BK

882

Right Rear Wheel Speed Sensor Signal