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

Power, Ground, Communication, Cruise Switches


Object Number: 1785368  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Clutch Pedal Position Switch, Stop Lamp Switch
Underhood Fuse Block IP IGN Fuse, Body Control Module Fuses - AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, WPR
Underhood Fuse Block IP IGN Fuse, Body Control Module Fuses - AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, WPR
I/P and Seat Lighting
G201 (2 of 2)
Cruise Control Schematic Icons
Figure 2:

Clutch Pedal Position Switch, Stop Lamp Switch


Object Number: 1785365  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Power, Ground, Communication, Cruise Switches
Underhood Fuse Block IP IGN Fuse, Body Control Module Fuses - AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, WPR
Underhood Fuse Block IP IGN Fuse, Body Control Module Fuses - AIRBAG, EPS/STR WHL CNTRL, HVAC/IP IGN, WPR
Body Control Module - AUDIO AMPLIFIER Fuse, BCM2 Fuse, CLUSTER Fuse, IGN SW Fuse, STOP LPS Fuse
Stop Lamps
Stop Lamps
Underhood Fuse Block Fuses- EMISN, FUEL PMP, INJ, PCM/ECM, and FUEL PMP Relay and PWR/TRN Relay