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

Switches and CCM Power and Ground


Object Number: 1386862  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Cruise Control Module (CCM) Inputs
OXY SEN, CR CONT, and TRANS Fuses
SIR, VENT SOL, and IGN 1 Fuse and IGN 1 Relay
MAF, VSS, Stop Lamp Switch
SIR, VENT SOL, and IGN 1 Fuse and IGN 1 Relay
G200
SIR Caution for Zoning
G101
G200
G200
Figure 2:

Cruise Control Module (CCM) Inputs


Object Number: 1412197  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Switches and CCM Power and Gruond
RR BLO, RRDR MDL, HVAC BAT, STOP LP, IGN SW, and TSIG/HAZ Fuses
Class 2 Serial Data (1 of 3)
Gages
Right Tail Lamps