GM Service Manual Online
For 1990-2009 cars only
Connector 1: Brake Fluid Pressure Sensor
Connector 2: Electronic Brake Control Module (EBCM)
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 Accelerometer Sensor

Brake Fluid Pressure Sensor


Object Number: 1243672  Size: CH

Connector Part Information

  • OEM: 2-967642-1
  • Service: 15306334
  • Description: 3-Way F MQS Series, Sealed (GY)

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-BU

2088

Low Reference

2

PU

5002

Brake Fluid Pressure Sensor Signal

3

D-GN

2087

5-Volt Reference

Electronic Brake Control Module (EBCM)


Object Number: 1283867  Size: CH

Connector Part Information

  • OEM: 15410622
  • Service: 88988614
  • Description: 27-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Pins: A1-A8, 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: A, B
  • Terminal/Tray: 15305232/23
  • Core/Insulation Crimp: B/3
  • Release Tool/Test Probe: J-38125-11A/J-35616-42 (RD)
  • Pins: E, F
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: C, G, H
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins C - E/A
  • Core/Insulation Crimp: Pins G, H - 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Electronic Brake Control Module (EBCM)

Pin

Wire Color

Circuit No.

Function

A1

L-BU

830

Wheel Speed Sensor Signal Left Front

A2

YE

873

Left Front Wheel Speed Sensor Low Reference

A3

D-GN

872

Wheel Speed Sensor Signal Right Front

A4

TN

833

Wheel Speed Sensor Low Reference Right Front

A5

TN

884

Wheel Speed Sensor Signal Left Rear

A6

OG

885

Wheel Speed Sensor Low Reference Left Rear

A7

BN

882

Wheel Speed Sensor Signal Right Rear

A8

WH

883

Wheel Speed Sensor Low Reference Right Rear

A9-A14

--

--

Not Used

A

RD/BK

1442

Battery Positive Voltage

B1-B8

--

--

Not Used

B9

TN

2501

High Speed GMLAN Serial Data (-)

B10

TN

2501

High Speed GMLAN Serial Data (-)

B11

TN/BK

2500

High Speed GMLAN Serial Data (+)

B12

TN/BK

2500

High Speed GMLAN Serial Data (+)

B13

L-BU

2088

Steering Wheel Position Sensor Low Reference

B14

D-GN

2087

Steering Wheel Position Sensor 5-Volt Reference

B

RD/BK

1442

Battery Positive Voltage

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-GN/BK

1338

Lateral Accelerometer Signal

C10

PU

5002

Brake Pressure Modulator Valve

C11-C14

--

--

Not Used

C

PK

1239

Ignition 1 Voltage

D

--

--

Not Used

E

BK/WH

251

Ground

F

BK/WH

251

Ground

G

WH

1294

Variable Effort Steering Solenoid Supply Voltage

H

BN

1295

Variable Effort Steering Solenoid Control

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

  • Pins: 1, 2, 5, 6
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Steering Angle Sensor

Pin

Wire Color

Circuit No.

Function

1

D-GN

2087

5-Volt Reference

2

L-BU

2088

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

  • Pins: A, C, D
  • 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

1550

Ground

B

--

--

Not Used

C

BN/WH

1571

Traction Control Switch Signal

D

GY/BK

1458

Instrument Panel Lamp Supply Voltage

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 (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 (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

OG

885

Left Rear Wheel Speed Sensor Low Reference

B

TN

884

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 (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

YE

833

Right Front Wheel Speed Sensor Low Reference

B

L-BU

872

Right Front Wheel Speed Sensor Signal

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 (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

BN

882

Right Rear Wheel Speed Sensor Signal

Yaw and Lateral Accelerometer Sensor


Object Number: 647974  Size: CH

Connector Part Information

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

Terminal Part Information

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

Yaw and Lateral Accelerometer Sensor

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

D-GN

2087

5-Volt Reference

C

D-BU

716

Yaw Rate Sensor Signal

D

L-BU

2088

Low Reference

E

L-GN/BK

1338

Lateral Accelerometer Signal