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
SIR, Vent Sol, and IGN 1 Fuses
Cruise Control Schematic Icons
SIR, Vent Sol, and IGN 1 Fuses
Engine Data Sensors, MAF, VSS and Extended Brake Travel Switch
G101
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 Ground
RR BLO, RR DR MDL, HVAC, Stop LP, IGN SW, and TSIG/HAZ Fuses
Right Tail Lamp
Engine Data Sensors, MAF, VSS and Extended Brake Travel Switch
Class 2 Serial Data (1 of 3)