Antilock Brake System Connector End Views. Chevrolet Evaluator 1985

For 1990-2009 cars

Connector 1: | Electronic Brake Control Module (EBCM)
Connector 2: | Traction Control Switch (NW7/NW9)
Connector 3: | Wheel Speed Sensor (WSS) - LF
Connector 4: | Wheel Speed Sensor (WSS) - LR
Connector 5: | Wheel Speed Sensor (WSS) - RF
Connector 6: | Wheel Speed Sensor (WSS) - RR

### Electronic Brake Control Module (EBCM)

#### Connector Part Information

- OEM: 15405449
- Service: 88988318
- Description: 20-Way F Mixed Series Sealed (BK)

#### Electronic Brake Control Module (EBCM)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | RD/BK | 542 | Battery Positive Voltage
B | RD/BK | 542 | Battery Positive Voltage
C | PK | 139 | Ignition 1 Voltage
D | -- | -- | Not Used
E | BK | 350 | Ground
F | BK | 350 | Ground
G-H | -- | -- | Not Used
A1 | L-BU | 830 | Left Front Wheel Speed Sensor Supply Voltage
A2 | YE | 873 | Left Front Wheel Speed Sensor Signal
A3 | D-GN | 872 | Right Front Wheel Speed Sensor Supply Voltage
A4 | TN | 873 | Right Front Wheel Speed Sensor Signal
A5 | TN | 884 | Left Rear Wheel Speed Sensor Supply Voltage
A6 | OG | 885 | Left Rear Wheel Speed Sensor Signal
A7 | BN | 882 | Right Rear Wheel Speed Sensor Supply Voltage
A8 | WH | 883 | Right Rear Wheel Speed Sensor Signal
A9-A14 | -- | -- | Not Used
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-B14 | -- | -- | Not Used
C1-C14 | -- | -- | Not Used

### Traction Control Switch (NW7/NW9)

#### Connector Part Information

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

#### Traction Control Switch (NW7/NW9)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BK | 1050 | Ground
B | -- | -- | Not Used
C | BN/WH | 1571 | Traction Control Switch Signal
D | GY | 8 | Instrument Panel Lamps Supply Voltage

### Wheel Speed Sensor (WSS) - LF

#### Connector Part Information

- OEM: 12052644
- Service: Service by Complete ABS Jumper Harness
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Wheel Speed Sensor (WSS) - LF

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | L-BU | 830 | Left Front Wheel Speed Sensor Supply Voltage
B | YE | 873 | Left Front Wheel Speed Sensor Signal

### Wheel Speed Sensor (WSS) - LR

#### Connector Part Information

- OEM: 12052644
- Service: Service by Complete RR ABS Jumper Harness
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Wheel Speed Sensor (WSS) - LR

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | TN | 884 | Left Rear Wheel Speed Sensor Supply Voltage
B | OG | 885 | Left Rear Wheel Speed Sensor Signal

### Wheel Speed Sensor (WSS) - RF

#### Connector Part Information

- OEM: 12052644
- Service: Service by Complete ABS Jumper Harness
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Wheel Speed Sensor (WSS) - RF

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | L-BU | 872 | Right Front Wheel Speed Sensor Supply Voltage
B | YE | 833 | Right Front Wheel Speed Sensor Signal

### Wheel Speed Sensor (WSS) - RR

#### Connector Part Information

- OEM: 12052644
- Service: Service by Complete RR ABS Jumper Harness
- Description: 2-Way F Metri-Pack 150 Series Sealed (L-GY)

#### Wheel Speed Sensor (WSS) - RR

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BN | 882 | Right Rear Wheel Speed Sensor Supply Voltage
B | WH | 883 | Right Rear Wheel Speed Sensor Signal