GM Service Manual Online
For 1990-2009 cars only

Object Number: 1835208  Size: FS
Master Electrical Component List
Steering Wheel Controls Description and Operation
Control Module References
Input/Output Speed Sensors (ISS/OSS), Internal Mode Switch (IMS), and TAP Shift Switches
DIC, Dimmer Controls, IPC and Switches
Steering Wheel Controls (UK3)
G201