GM Service Manual Online
For 1990-2009 cars only
Connector 1: Brake Fluid Pressure Sensor
Connector 2: Electronic Brake Control Module (EBCM)
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
Connector 8: Yaw Rate and Lateral Acceleration Sensor (JL4/J56)

Brake Fluid Pressure Sensor


Object Number: 1243672  Size: CH

Connector Part Information

  • OEM: 2-967642-1
  • Service: 15306334
  • Description: 3-Way F Amp (BK)

Terminal Part Information

  • Terminal/Tray: 962885-5/15
  • Core/Insulation Crimp: 6/6
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Brake Fluid Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

1338

Low Reference

2

PU

5002

Brake Fluid Pressure Sensor Signal

3

GY/BK

1337

5-Volt Reference

Electronic Brake Control Module (EBCM)


Object Number: 1283867  Size: CH

Connector Part Information

  • OEM: 15411019
  • Service: 88956569
  • Description: 50-Way F Packard (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: C, G, H
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: E, F
  • Terminal/Tray: 15392777/23
  • Core/Insulation Crimp: B/5
  • Release Tool/Test Probe: J-38125-553/J-35616-4A (PU)
  • Pins: A1, A2, A3, A4, A5, A6, A7, A8, A10, A12, A13, A14, B3, B6, B8, B13, B14, C3, C5, C6, C7, C8, C9, C10, C12, C13
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Electronic Brake Control Module (EBCM)

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

GY

1787

Variable Effort Steering Actuator High Effort Control (FE3/FE4)

H

WH

345

Variable Effort Steering Actuator Low Effort Control (FE3/FE4)

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-BU

1537

ABS Indicator Signal

A11

--

--

Not Used

A12

YE/BK

5270

Engine Drag Control Signal (LY7/LP1)

A13

PU

1807

Class 2 Serial Data

A14

PU

1807

Class 2 Serial Data

B1-B2

--

--

Not Used

B3

YE

5361

Brake Pedal Position (BPP) Sensor Signal

B4-B5

--

--

Not Used

B6

TN/BK

464

Delivered Torque Signal (LS2)

B7

--

--

Not Used

B8

OG/BK

463

Requested Torque Signal (LS2)

B9-B12

--

--

Not Used

B13

L-GN/BK

1338

Low Reference

B14

GY/BK

1337

5-Volt Reference

C1-C2

--

--

Not Used

C3

OG

5371

BAS Relay Coil Supply Voltage

C4

--

--

Not Used

C5

GY

847

Extended Travel Brake Switch Signal (LP1/LY7)

C6

L-BU

1764

Steering Wheel Position Signal B (JL4/J56)

C7

L-GN

1763

Steering Wheel Position Signal A (JL4/J56)

C8

D-BU

716

Yaw Rate Sensor Signal (JL4/J56)

C9

L-BU

715

Lateral Accelerometer Signal (JL4/J56)

C10

PU

5002

Brake Fluid Pressure Sensor Signal

C11

--

--

Not Used

C12

BN

5360

Low Reference

C13

WH

5359

5-Volt Reference

C14

--

--

Not Used

Traction Control Switch


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-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

BN/WH

1571

Traction Control Switch Signal

B

BK

350

Ground

Wheel Speed Sensor (WSS) - Left Front


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 12052644
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Metri-Pack 150 Series (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

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: Service by Harness - See Part Catalog
  • Description: 2-Way F Metri-Pack 150 Series (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

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: Service by Harness - See Part Catalog
  • Description: 2-Way F Metri-Pack 150 Series (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: Service by Harness - See Part Catalog
  • Description: 2-Way F Metri-Pack 150 Series (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

BN

882

Right Rear Wheel Speed Sensor Signal

B

WH

883

Right Rear Wheel Speed Sensor Low Reference

Yaw Rate and Lateral Acceleration Sensor (JL4/J56)


Object Number: 647974  Size: CH

Connector Part Information

  • OEM: 15326822
  • Service: 88987186
  • Description: 5-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

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

Yaw Rate and Lateral Acceleration Sensor (JL4/J56)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Available

B

GY/BK

1337

5-Volt Reference

C

D-BU

716

Yaw Rate Sensor Signal

D

L-GN/BK

1338

Low Reference

E

L-BU

715

Lateral Accelerometer Signal