For 1990-2009 cars

Connector 1: | Brake Fluid Pressure Sensor
Connector 2: | Electronic Brake Control Module (EBCM)
Connector 3: | Steering Angle Sensor
Connector 4: | Left Front Wheel Speed Sensor (WSS)
Connector 5: | Left Rear Wheel Speed Sensor (WSS)
Connector 6: | Right Front Wheel Speed Sensor (WSS)
Connector 7: | Right Rear Wheel Speed Sensor (WSS)
Connector 8: | Yaw Rate/Lateral Acceleration Sensor
Connector 9: | Brake Pedal Position Sensor
Connector 10: | Variable Effort Steering Actuator (w/NV7)
Connector 11: | Traction Control Switch/Hazard Lamp Switch

### Brake Fluid Pressure Sensor

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | L-GN/BK | 1338 | Yaw Rate Sensor Signal (2)
2 | PU | 5002 | Brake Pressure Modulator Valve
3 | GY/BK | 1337 | Yaw Rate Sensor Voltage Reference

### Electronic Brake Control Module (EBCM)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | RD/BK | 342 | Battery Positive Voltage
B | RD/BK | 342 | Battery Positive Voltage
C | BN | 2039 | Run Ignition 3 Voltage
D | -- | -- | Not Used
E | BK | 1150 | Ground
F | BK | 1150 | Ground
G | GY | 1787 | Variable Effort Steering Actuator High Effort Control
H | WH | 345 | Variable Effort Steering Actuator Low Effort Control
A1 | YE | 873 | Left Front Wheel Speed Sensor Low Reference
A2 | L-BU | 830 | Left Front Wheel Speed Sensor Signal
A3 | D-GN | 872 | Right Front Wheel Speed Sensor Signal
A4 | BN | 833 | Right Front Wheel Speed Sensor Low Reference
A5 | YE | 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-A10 | -- | -- | Not Used
A11 | YE | 5727 | The high speed GMLAN serial data appear
A12-A14 | -- | -- | Not Used
B1-B8 | -- | -- | Not Used
B9 | TN | 2501 | Low Speed GMLAN Serial Data (-) 1 (M82)
B10 | TN | 2501 | Low Speed GMLAN Serial Data (-) (1)
B11 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1)
B12 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) 1 (M82)
B13 | L-GN/BK | 1338 | Yaw Rate Sensor Signal (2)
B14 | GY/BK | 1337 | Yaw Rate Sensor Voltage Reference Value
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 (1)
C9 | L-BU | 715 | Lateral Accelerometer Signal
C10 | PU | 5002 | Brake Pressure Modulator Valve
C11-C14 | -- | -- | Not Used

### Steering Angle Sensor

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | GY/BK | 1337 | 5-Volt Reference
2 | L-GN/BK | 1338 | Low Reference
3-4 | -- | -- | Not Used
5 | L-GN | 1763 | Steering Wheel Position Signal A
6 | L-BU | 1764 | Steering Wheel Position Signal B

### Left Front Wheel Speed Sensor (WSS)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | YE | 873 | Left Front Wheel Speed Sensor Low Reference
B | L-BU | 830 | Wheel Speed Sensor Signal Left Front

### Left Rear Wheel Speed Sensor (WSS)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | BN | 884 | Left Rear Wheel Speed Sensor Signal
B | OG | 885 | Left Rear Wheel Speed Sensor Low Reference

### Right Front Wheel Speed Sensor (WSS)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | D-GN | 872 | Right Front Wheel Speed Sensor Signal
B | BN | 833 | Right Front Wheel Speed Sensor Low Reference

### Right Rear Wheel Speed Sensor (WSS)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | BN | 882 | Right Rear Wheel Speed Sensor Signal
B | WH | 883 | Right Rear Wheel Speed Sensor Low Reference

### Yaw Rate/Lateral Acceleration Sensor

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | -- | -- | Not Used
B | GY/BK | 1337 | Yaw Rate Sensor Voltage Reference Value
C | D-BU | 716 | Yaw Rate Sensor Signal (1)
D | L-GN/BK | 1338 | Yaw Rate Sensor Signal (2)
E | L-BU | 715 | Lateral Accelerometer Signal

### Brake Pedal Position Sensor

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | BN | 5360 | Low Reference
B | YE | 5361 | Brake Pedal Position Signal Output
C | WH | 5359 | Supply Voltage

### Variable Effort Steering Actuator (w/NV7)

#### Connector Part Information

• | OEM: 963040-1

• | Service: N/A

• | 2-Way F Junior Timer Series (BU)

#### Variable Effort Steering Actuator (w/NV7)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | GY | 1787 | Supply Voltage
2 | WH | 345 | Low Reference

### Traction Control Switch/Hazard Lamp Switch

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | BN/WH | 1571 | Traction Switch
2 | WH | 111 | Hazard warning switch
3 | YE | 6817 | Lighting
4 | YE | 18 | Flash Control
5 | BK/WH | 451 | Ground