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

Engine Compartment, in the Lower Left Front Corner


Object Number: 238911  Size: LF
(1)Brake Pressure Modulator Valve (BPMV)
(2)Electronic Brake Control Module (EBCM)
Figure 2:

Front Wheel Speed Sensor, Under the Left Front of the Vehicle, above the Front Axle


Object Number: 498585  Size: LF
(1)LH Front Wheel Speed Sensor (RH Similar)
Figure 3:

Below the Right Rear of the Vehicle


Object Number: 321440  Size: LF
(1)C415
(2)Automatic Level Control Compressor
(3)RH Rear Wheel Speed Sensor (LH Similar)
Figure 4:

Passenger Compartment, Below the Right Front Seat


Object Number: 238908  Size: LF
(1)Lateral Accelerometer Sensor
Figure 5:

Instrument Panel, at the Base of the Steering Column


Object Number: 321371  Size: LF
(1)Steering Column
(2)P101
(3)Steering Wheel Postion Sensor (SWPS)
(4)C202
(5)C206
Figure 6:

Rear Compartment, Below the Rear Package Shelf


Object Number: 321426  Size: MF
(1)Rear Package Shelf
(2)Yaw Rate Sensor
Figure 7:

Instrument Panel, Below the Steering Column


Object Number: 321377  Size: LF
(1)S225
(2)S226
(3)Brake Pedal
(4)Stoplamp/ BTSI Switch
(5)ABS/TCC Switch
(6)Steering Column Support Bracket