GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accessory Switch
Connector 2: Electronic Brake Control Module (EBCM) C1
Connector 3: Electronic Brake Control Module (EBCM) C2
Connector 4: Longitudinal Accelerometer Sensor (w/o JL4)
Connector 5: Steering Wheel Position Sensor (JL4)
Connector 6: Wheel Speed Sensor (WSS) - LF
Connector 7: Wheel Speed Sensor (WSS) - LR
Connector 8: Wheel Speed Sensor (WSS) - RF
Connector 9: Wheel Speed Sensor (WSS) - RR
Connector 10: Yaw Rate/Lateral and Longitudinal Accelerometer Sensor (JL4)

Accessory Switch


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: See Catalog
  • Description: 16-Way F Micro 64 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15359541 / 4
  • Core/Insulation Crimp: M / M
  • Release Tool/Test Probe: 15381651-2 / J-35616-64A (L-BU)

Accessory Switch

Pin

Wire Color

Circuit No.

Function

1

PU/WH

1565

4 LO LOCK Indicator Control

2

YE

234

Seat Belt Indicator Control

3

D-BU

2307

Passenger Air Bag On Indicator Control

4

--

--

Not Used

5

YE

1139

Ignition 1 Voltage

6

D-GN

2308

Passenger Air Bag Off Indicator Control

7

BN

241

Ignition 3 Voltage

8

PK

1561

Differential Lock Indicator Control

9

TN/BK

1566

4 HI LOCK Indicator Control

10

BN

1560

Neutral Indicator Control

11

L-GN/BK

1563

4 HI Indicator Control

12

GY

8

Instrument Panel Lamps Dimmer Switch Signal

13

BK

2050

Ground

14

BN/WH

1571

Traction Control Switch Signal

15

L-BU

1693

Switch Signal

16

GY

596

5-Volt Reference

Electronic Brake Control Module (EBCM) C1


Object Number: 1566786  Size: CH

Connector Part Information

  • OEM: 6189-1048
  • Service: 88988643
  • Description: 4-Way F 025/187 Sealed (BK)

Terminal Part Information

  • Pins: 1
  • Terminal/Tray: 8100-3455 / 22
  • Core/Insulation Crimp: 7 / 7
  • Release Tool/Test Probe: 15315247 / J-35616-64A (L-BU)
  • Pins: 2, 4
  • Terminal/Tray: 8100-0468 / 6
  • Core/Insulation Crimp: F / 5
  • Release Tool/Test Probe: 12094430 / J-35616-40 (BU)

Electronic Brake Control Module (EBCM) C1

Pin

Wire Color

Circuit No.

Function

1

PK

1439

Ignition 1 Voltage

2

OG

540

Battery Positive Voltage

3

--

--

Not Used

4

BK

850

Ground

Electronic Brake Control Module (EBCM) C2


Object Number: 1567078  Size: CH

Connector Part Information

  • OEM: 6189-1136
  • Service: See Catalog
  • Description: 46-Way F 025/187 Sealed (BK)

Terminal Part Information

  • Pins: 1, 2, 31, 32
  • Terminal/Tray: 8100-0468 / 6
  • Core/Insulation Crimp: F / 5
  • Release Tool/Test Probe: 12094430 / J-35616-40 (BU)
  • Pins: 3-27, 38-46
  • Terminal/Tray: 8100-3455 / 22
  • Core/Insulation Crimp: Pins 3-6, 9-10, 17-20, 42, 45: 8 / 8
  • Core/Insulation Crimp: Pins 8, 11, 22-27, 38-41, 43-44, 46: 7 / 7
  • Release Tool/Test Probe: 15315247 / J-35616-64A (L-BU)

Electronic Brake Control Module (EBCM) C2

Pin

Wire Color

Circuit No.

Function

1

BK

850

Ground

2

OG

540

Battery Positive Voltage

3

D-GN

872

Right Front Wheel Speed Sensor 12-V Reference

4

YE

873

Left Front Wheel Speed Sensor Signal

5

BN

882

Right Rear Wheel Speed Sensor 12-V Reference

6

RD

885

Left Rear Wheel Speed Sensor Signal

7

--

--

Not Used

8

WH

1765

Steering Wheel Position Marker Pulse Signal (JL4)

9

OG/BK

463

Requested Torque Signal

10

TN/BK

464

Delivered Torque Signal

11

D-BU

716

CAN HI (JL4)

12-16

--

--

Not Used

17

TN

833

Right Front Wheel Speed Sensor Signal

18

L-BU

830

Left Front Wheel Speed Sensor 12-V Reference

19

WH

883

Right Rear Wheel Speed Sensor Signal

20

BK

884

Left Rear Wheel Speed Sensor 12-V Reference

21

--

--

Not Used

22

L-BU

1764

Steering Wheel Position Signal B (JL4)

23

L-GN

1763

Steering Wheel Position Signal A (JL4)

24

--

--

Not Used

25

L-BU

2088

CAN LO (JL4)

26

--

--

Not Used

27

PK

849

Brake Fluid Level Sensor Signal

28-30

--

--

Not Used

31

OG

2340

Battery Positive Voltage

32

BK

850

Ground

33-37

--

--

Not Used

38

BK

1835

Low Reference (JL4)

L-BU

2088

Low Reference (w/o JL4)

39

L-BU

1059

Steering Wheel Position Sensor Signal (JL4)

40

GY

1056

Steering Wheel Position Sensor 5-Volt Reference (JL4)

D-GN

2087

5-Volt Reference (w/o JL4)

41

YE

5353

Longitudinal Accelerometer Sensor Signal (w/o JL4)

42

L-GN

24

Backup Lamp Supply Voltage

43

--

--

Not Used

44

PU

1807

Class 2 Serial Data

45

L-BU

20

Stop Lamp Supply Voltage

46

BN

441

Ignition 3 Voltage

Longitudinal Accelerometer Sensor (w/o JL4)


Object Number: 1290301  Size: CH

Connector Part Information

  • OEM: 6189-0099
  • Service: See Catalog
  • Description: 3-Way F HX 090 Series (BK)

Terminal Part Information

  • Terminal/Tray: 8100-0460 / 6
  • Core/Insulation Crimp: E / 1
  • Release Tool/Test Probe: 15315247 / J-35616-2A (GY)

Longitudinal Accelerometer Sensor (w/o JL4)

Pin

Wire Color

Circuit No.

Function

1

YE

5353

Longitudinal Accelerometer Sensor Signal

2

L-BU

2088

Low Reference

3

D-GN

2087

5-Volt Reference

Steering Wheel Position Sensor (JL4)


Object Number: 280793  Size: CH

Connector Part Information

  • OEM: 12052444
  • Service: 12101874
  • Description: 8-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12089660 / 3
  • Core/Insulation Crimp: See Terminal Kit
  • Release Tool/Test Probe: See Terminal Kit

Steering Wheel Position Sensor (JL4)

Pin

Wire Color

Circuit No.

Function

1

GY

1056

Steering Wheel Position Sensor 5-Volt Reference

2

BK

1835

Low Reference

3

L-GN

1763

Steering Wheel Position Signal A

4

L-BU

1764

Steering Wheel Position Signal B

5

WH

1765

Steering Wheel Position Marker Pulse Signal

6

L-BU

1059

Steering Wheel Position Sensor Signal

7

BN

441

Ignition 3 Voltage

8

BK/WH

1151

Ground

Wheel Speed Sensor (WSS) - LF


Object Number: 635009  Size: CH

Connector Part Information

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

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) - LF

Pin

Wire Color

Circuit No.

Function

A

YE

873

Left Front Wheel Speed Sensor Signal

B

L-BU

830

Left Front Wheel Speed Sensor 12-V Reference

Wheel Speed Sensor (WSS) - LR


Object Number: 635009  Size: CH

Connector Part Information

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

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) - LR

Pin

Wire Color

Circuit No.

Function

A

RD

885

Left Rear Wheel Speed Sensor Signal

B

BK

884

Left Rear Wheel Speed Sensor 12-V Reference

Wheel Speed Sensor (WSS) - RF


Object Number: 635009  Size: CH

Connector Part Information

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

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) - RF

Pin

Wire Color

Circuit No.

Function

A

TN

833

Right Front Wheel Speed Sensor Signal

B

D-GN

872

Right Front Wheel Speed Sensor 12-V Reference

Wheel Speed Sensor (WSS) - RR


Object Number: 635009  Size: CH

Connector Part Information

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

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) - RR

Pin

Wire Color

Circuit No.

Function

A

WH

883

Right Rear Wheel Speed Sensor Signal

B

BN

882

Right Rear Wheel Speed Sensor 12-V Reference

Yaw Rate/Lateral and Longitudinal Accelerometer Sensor (JL4)


Object Number: 1566785  Size: CH

Connector Part Information

  • OEM: 6189-0551
  • Service: 15165777
  • Description: 4-Way F DL 040 Sealed (WH)

Terminal Part Information

  • Terminal/Tray: 8100-1466 / 6
  • Core/Insulation Crimp: 7 / 7
  • Release Tool/Test Probe: 15315247 / J-35616-64A (L-BU)

Yaw Rate/Lateral and Longitudinal Accelerometer Sensor (JL4)

Pin

Wire Color

Circuit No.

Function

1

BN

441

Ignition 3 Voltage

2

D-BU

716

CAN HI

3

L-BU

2088

CAN LO

4

BK/WH

1151

Ground