GM Service Manual Online
For 1990-2009 cars only
Connector 1: Electronic Brake Control Module (EBCM) (LH2)
Connector 2: Electronic Brake Control Module (EBCM) (LY7)
Connector 3: Steering Angle Sensor
Connector 4: Traction Control Switch
Connector 5: Wheel Speed Sensor (WSS) - Left Front
Connector 6: Wheel Speed Sensor (WSS) - Left Rear
Connector 7: Wheel Speed Sensor (WSS) - Right Front
Connector 8: Wheel Speed Sensor (WSS) - Right Rear
Connector 9: Yaw and Lateral/Long Acceleration Sensor

Electronic Brake Control Module (EBCM) (LH2)


Object Number: 1283867  Size: CH

Connector Part Information

  • OEM: 15496383
  • Service: 88988608
  • Description: 50-Way F GT 150 280/Metri-Pack 630/Micro 64 Sealed (BK)

Terminal Part Information

  • Pins: A-B
  • Terminal/Tray: 15305232/23
  • Core/Insulation Crimp: B/3
  • Release Tool/Test Probe: J-38125-11A/J-35616-42 (RD)
  • Pins: A1-A8, A10-A11, B1, B9-B14, C6-C10
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
  • Pins: C, G-H
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: E
  • Terminal/Tray: 15392777/23
  • Core/Insulation Crimp: B/5
  • Release Tool/Test Probe: J-38125-553/J-35616-4A (PU)
  • Pins: F
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Electronic Brake Control Module (EBCM) (LH2)

Pin

Wire Color

Circuit No.

Function

A

RD/BK

342

Battery Positive Voltage

B

RD/BK

342

Battery Positive Voltage

C

PK

39

Ignition 1 Voltage

D

--

--

Not Used

E

BK

1150

Ground

F

BK

1150

Ground

G

WH

1294

Variable Effort Steering Actuator Supply Voltage

H

BN

1295

Variable Effort Steering Actuator Control

A1

L-BU

830

Left Front Wheel Speed Sensor Signal

A2

YE

873

Left Front Wheel Speed Sensor Low Reference

A3

D-GN

872

Right Front Wheel Speed Sensor Signal

A4

TN

833

Right Front Wheel Speed Sensor Low Reference

A5

TN

884

Left Rear Wheel Speed Sensor Signal

A6

OG

885

Left Rear Wheel Speed Sensor Low Reference

A7

BN

882

Right Rear Wheel Speed Sensor Signal

A8

WH

883

Right Rear Wheel Speed Sensor Low Reference

A9

--

--

Not Used

A10

D-GN/WH

817

Vehicle Speed Signal

A11

L-BU

5986

Serial Data Communication Enable

A12-A14

--

--

Not Used

B1

D-BU

5370

Long Accelerometer Signal

B2-B8

--

--

Not Used

B9

TN

2501

High Speed GMLAN Serial Data Bus-

B10

TN

2501

High Speed GMLAN Serial Data Bus-

B11

TN/BK

2500

High Speed GMLAN Serial Data Bus+

B12

TN/BK

2500

High Speed GMLAN Serial Data Bus+

B13

L-GN/BK

1338

Yaw Rate Sensor Signal Low Reference

B14

GY/BK

1337

5-Volt Reference

C1-C5

--

--

Not Used

C6

L-BU

1764

Steering Wheel Position Signal B

C7

L-GN

1763

Steering Wheel Position Signal A

C8

D-BU

716

Yaw Rate Sensor Signal

C9

L-BU

715

Lateral Accelerometer Signal

C10

PU

5002

Brake Fluid Pressure Sensor Signal

C11-C14

--

--

Not Used

Electronic Brake Control Module (EBCM) (LY7)


Object Number: 1283867  Size: CH

Connector Part Information

  • OEM: 15434210
  • Service: 88988608
  • Description: 50-Way F GT 150 280/Metri-Pack 630/Micro 64 Sealed (BK)

Terminal Part Information

  • Pins: A-B
  • Terminal/Tray: 15305232/23
  • Core/Insulation Crimp: B/3
  • Release Tool/Test Probe: J-38125-11A/J-35616-42 (RD)
  • Pins: A1-A8, A10-A11, B1, B9-B14, C6-C10
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
  • Pins: C, G-H
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: E
  • Terminal/Tray: 15392777/23
  • Core/Insulation Crimp: B/5
  • Release Tool/Test Probe: J-38125-553/J-35616-4A (PU)
  • Pins: F
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Electronic Brake Control Module (EBCM) (LY7)

Pin

Wire Color

Circuit No.

Function

A

RD/BK

342

Battery Positive Voltage

B

RD/BK

342

Battery Positive Voltage

C

PK

39

Ignition 1 Voltage

D

--

--

Not Used

E

BK

1150

Ground

F

BK

1150

Ground

G

WH

1294

Variable Effort Steering Actuator Supply Voltage

H

BN

1295

Variable Effort Steering Actuator Control

A1

L-BU

830

Left Front Wheel Speed Sensor Signal

A2

YE

873

Left Front Wheel Speed Sensor Low Reference

A3

D-GN

872

Right Front Wheel Speed Sensor Signal

A4

TN

833

Right Front Wheel Speed Sensor Low Reference

A5

TN

884

Left Rear Wheel Speed Sensor Signal

A6

OG

885

Left Rear Wheel Speed Sensor Low Reference

A7

BN

882

Right Rear Wheel Speed Sensor Signal

A8

WH

883

Right Rear Wheel Speed Sensor Low Reference

A9

--

--

Not Used

A10

D-GN/WH

817

Vehicle Speed Signal

A11

L-BU

5986

Serial Data Communication Enable

A12-A14

--

--

Not Used

B1

D-BU

5370

Long Accelerometer Signal

B2-B8

--

--

Not Used

B9

TN

2501

High Speed GMLAN Serial Data Bus-

B10

TN

2501

High Speed GMLAN Serial Data Bus-

B11

TN/BK

2500

High Speed GMLAN Serial Data Bus+

B12

TN/BK

2500

High Speed GMLAN Serial Data Bus+

B13

L-GN/BK

1338

Yaw Rate Sensor Signal Low Reference

B14

GY/BK

1337

5-Volt Reference

C1-C5

--

--

Not Used

C6

L-BU

1764

Steering Wheel Position Signal B

C7

L-GN

1763

Steering Wheel Position Signal A

C8

D-BU

716

Yaw Rate Sensor Signal

C9

L-BU

715

Lateral Accelerometer Signal

C10

PU

5002

Brake Fluid Pressure Sensor Signal

C11-C14

--

--

Not Used

Steering Angle Sensor


Object Number: 40427  Size: CH

Connector Part Information

  • OEM: 12064978
  • Service: 12125678
  • Description: 6-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Steering Angle Sensor

Pin

Wire Color

Circuit No.

Function

1

GY/BK

1337

5-Volt Reference

2

L-GN/BK

1338

Yaw Rate Sensor Signal Low Reference

3-4

--

--

Not Used

5

L-GN

1763

Steering Wheel Position Signal A

6

L-BU

1764

Steering Wheel Position Signal B

Traction Control Switch


Object Number: 39660  Size: CH

Connector Part Information

  • OEM: 12047785
  • Service: 12102900
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Traction Control Switch

Pin

Wire Color

Circuit No.

Function

A

BK

350

Ground

B

--

--

Not Used

C

BN/WH

1571

Traction Control Switch Signal

D

GY

8

Instrument Panel Lamp Supply Voltage

Wheel Speed Sensor (WSS) - Left Front


Object Number: 537107  Size: CH

Connector Part Information

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

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: 537107  Size: CH

Connector Part Information

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

TN

884

Left Rear Wheel Speed Sensor Signal

B

OG

885

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - Right Front


Object Number: 537107  Size: CH

Connector Part Information

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

BN

882

Right Rear Wheel Speed Sensor Signal

B

WH

883

Right Rear Wheel Speed Sensor Low Reference

Yaw and Lateral/Long Acceleration Sensor


Object Number: 647974  Size: CH

Connector Part Information

  • OEM: 15326822
  • Service: 88987186
  • Description: 5-Way F GT 150 Sealed 4.0 (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Yaw and Lateral/Long Acceleration Sensor

Pin

Wire Color

Circuit No.

Function

A

D-BU

5370

Long Accelerometer Signal

B

GY/BK

1337

5-Volt Reference

C

D-BU

716

Yaw Rate Sensor Signal

D

L-GN/BK

1338

Yaw Rate Sensor Signal Low Reference

E

L-BU

715

Lateral Accelerometer Signal