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

Passenger Compartment, Steering Column


Object Number: 342653  Size: LF
(1)C202
(2)Ignition Switch
(3)Shift Interlock Actuator (Hidden)
(4)Horn Switch
(5)Inflatable Restraint Steering Wheel Module
(6)Steering Wheel Controls LH and RH
(7)Inflatable Restraint Steering Wheel Module Coil
(8)Headlamp Dimmer Switch
Figure 2:

Passenger Compartment, Below the Center of the Instrument Panel


Object Number: 342657  Size: MF
(1)Lamp Monitor Control Module
(2)S259
(3)S258
(4)S236
(5)S232
(6)S235
(7)To C200
(8)Stoplamp/BTSI Switch
(9)ABS/TCC Switch
(10)S231
(11)S228
(12)S230
(13)S296
(2)