GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground and Stoplamp Switch Signal


Object Number: 687782  Size: FS
Master Electrical Component List
ABS Description and Operation
Traction Control Request, DLC, Torque and Steering Position Signals
Underhood Electrical Center Bussing (1 of 2)
Power, Ground and DLC
Instrument Panel Electrical Center Bussing (1 of 2)
Instrument Panel Electrical Center Fuses 51, 27, 8, 1 and 7
Stoplamp Switch and Center High Mount Stoplamp (CHMSL)
Stoplamp Switch and Center High Mount Stoplamp (CHMSL)
Figure 2:

Traction Control Request, DLC, Torque and Steering Position Signals


Object Number: 687800  Size: FS
Master Electrical Component List
ABS Description and Operation
Steering Wheel Position Sensor
Power, Ground and Stoplamp Switch Signal
Star Connectors
G201
Figure 3:

Steering Wheel Position Sensor


Object Number: 687805  Size: FS
Master Electrical Component List
ABS Description and Operation
Brake Fluid Pressure Sensor, Lateral Accelerometer and Yaw Rate Sensor(JL4)
Traction Control Request, DLC, Torque and Steering Position Signals
Brake Fluid Pressure Sensor, Lateral Accelerometer and Yaw Rate Sensor(JL4)
Brake Fluid Pressure Sensor, Lateral Accelerometer and Yaw Rate Sensor(JL4)
Figure 4:

Brake Fluid Pressure Sensor, Lateral Accelerometer and Yaw Rate Sensor (JL4)


Object Number: 687807  Size: FS
Master Electrical Component List
ABS Description and Operation
Wheel Speed Sensors
Steering Wheel Position Sensor
Steering Wheel Position Sensor
Steering Wheel Position Sensor
Figure 5:

Wheel Speed Sensors


Object Number: 687826  Size: FS
Master Electrical Component List
ABS Description and Operation
Brake Fluid Pressure Sensor, Lateral Accelerometer and Yaw Rate Sensor(JL4)
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons
Antilock Brake System Schematic Icons