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

Center Console Components


Object Number: 2174835  Size: LF
(1)K9 Body Control Module
(2)X1 Inflatable Restraint Sensing and Diagnostic Module X1
(3)X2 Inflatable Restraint Sensing and Diagnostic Module X2
(4)K36 Inflatable Restraint Sensing and Diagnostic Module
(5)G307 Tunnel
(6)B80 Park Brake Switch
(7)B119 Multi-axis Acceleration Sensor
Figure 2:

Lower Left of the I/P Components (LHD)


Object Number: 2174838  Size: LF
(1)S30 Headlamp Switch
(2)X51A Fuse Block - Instrument Panel
(3)B25B Clutch Pedal Position Sensor
(4)S78 Turn Signal/Multi-Function Switch
(5)B99 Steering Position Sensor
(6)K64 Theft Deterrent Module (TDM)
(7)B107 Accelerator Pedal Position Sensor
(8)B22 Brake Pedal Position Sensor
(9)X84 Data Link Connector