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

Behind the I/P


Object Number: 1510569  Size: LF
(1)I/P Compartment Lamp
(2)HVAC Control Module
(3)Radio
(4)Air Temperature Sensor - Inside
(5)Steering Wheel
(6)Instrument Panel Cluster (IPC)
(7)Body Control Module (BCM)
(8)Steering Angle Sensor
(9)Vehicle Communication Interface Module (VCIM)
(10)Cigar Lighter
(11)Fuse Block - I/P
Figure 2:

Below the I/P Carrier


Object Number: 1507645  Size: LF
(1)G202
(2)G200
(3)Data Link Connector
(4)Steering Column