For 1990-2009 cars

Connector 1: | Electronic Brake Control Module (EBCM) (JM4/JL9)
Connector 2: | Wheel Speed Sensor (WSS) - Left Front
Connector 3: | Wheel Speed Sensor (WSS) - Right Front
Connector 4: | Wheel Speed Sensor (WSS) - Left Rear
Connector 5: | Wheel Speed Sensor (WSS) - Right Rear

### Electronic Brake Control Module (EBCM) (JM4/JL9)

#### Connector Part Information

- OEM: 13515286
- Service: 88988362
- Description: 26-Way F Receptacle Sealed

#### Terminal Part Information

- Pins: 1, 14, 26
- Terminal/Tray: 60012931/21
- Core/Insulation Crimp: C/1
- Release Tool/Test Probe: 12122378/J-35616-4A (PU)

- Pins:2, 3, 4, 5, 6, 8, 9, 11, 12, 20, 21, 22, 23, 24
- Terminal/Tray: 60040451/21
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: 12093647/J-35616-40 (BU)

#### Electronic Brake Control Module (EBCM) (JM4/JL9)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | RD/WH | 740 | Battery Positive Voltage
2 | OG | 885 | Left Rear Wheel Speed Sensor Low Reference
3 | TN | 884 | Left Rear Wheel Speed Sensor Signal
4 | L-BU | 20 | Stop Lamp Switch Signal
5 | D-GN | 872 | Right Front Wheel Speed Sensor Signal
6 | TN | 833 | Right Front Wheel Speed Sensor Low Reference
7 | -- | -- | Not Used
8 | YE | 873 | Left Front Wheel Speed Sensor Low Reference
9 | L-BU | 830 | Left Front Wheel Speed Sensor Signal
10 | -- | -- | Not Used
11 | BN | 882 | Right Rear Wheel Speed Sensor Signal
12 | WH | 883 | Right Rear Wheel Speed Sensor Low Reference
13 | -- | -- | Not Used
14 | RD/BK | 542 | Battery Positive Voltage
15-19 | -- | -- | Not Used
20 | PK | 1439 | Ignition 1 Voltage
21 | TN | 2501 | High Speed GMLAN Serial Data Bus (-)
22 | TN | 2501 | High Speed GMLAN Serial Data Bus (-)
23 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus (+)
24 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus (+)
25 | -- | -- | Not Used
26 | BK | 350 | Ground

### Wheel Speed Sensor (WSS) - Left Front

#### Connector Part Information

- OEM: 12052644
- Service: Service by Harness - See Part Catalog
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Terminal Part Information

- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### Wheel Speed Sensor (WSS) - Left Front

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | D-GN | 830 | Left Front Wheel Speed Sensor Signal
B | TN | 873 | Left Front Wheel Speed Sensor Low Reference

### Wheel Speed Sensor (WSS) - Right Front

#### Connector Part Information

- OEM: 12052644
- Service: Service by Harness - See Part Catalog
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Terminal Part Information

- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### 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) - Left Rear

#### Connector Part Information

- OEM: 15305168
- Service: 12167117
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Terminal Part Information

- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### Wheel Speed Sensor (WSS) - Left Rear

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BK | 884 | Left Rear Wheel Speed Sensor Signal
B | RD | 885 | Left Rear Wheel Speed Sensor Low Reference

### Wheel Speed Sensor (WSS) - Right Rear

#### Connector Part Information

- OEM: 15305168
- Service: 12167117
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Terminal Part Information

- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### 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