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

Passenger Compartment, Below the Left Side of the Instrument Panel


Object Number: 154423  Size: LF
(1)ABS/TCC Switch
(2)Stoplamp Switch
Figure 2:

Passenger Compartment, at the Base of the Steering Column


Object Number: 154378  Size: LF
(1)Steering Column Tilt / Telescoping Module
(2)Steering Wheel Position Sensor (SWPS)
(3)C202
(4)P101
Figure 3:

Beneath the Center Console


Object Number: 338809  Size: LF
(1)Park Lock Cable Assembly
(2)Shift Interlock Solenoid Connector