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

Switches and CCM Power and Ground


Object Number: 810260  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Cruise Control Module PCM Inputs and Vehicle Speed Input
Fuse Block- SIR, VENT SOL, IGN 1Fuse
Cruise Control Schematic Icons
Fuse Block- SIR, VENT SOL, IGN 1Fuse
Engine Data Sensors- MAF, VSS and Extended Brake Travel Switch
G101
G200
G200
G200
Underhood Fuse Block- OXY SEN, CR CONT, MDL COIL, TRANS Fuses
Figure 2:

Cruise Control Module (CCM) Inputs


Object Number: 810265  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Cruise Control Switches and Module Power and Gruond
Rear Fuse Block- RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, TSIG/HAZ Fuse
Right Tail Lamps
Gages
Class 2 Serial Data (1 of 3)