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

Power, Ground and Controls


Object Number: 860506  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Release Signals
Fuse Block-Underhood IGN and ABS Fuses, Fuse Block-I/P ABS, F/P-INJ, AIR BG, and CRUISE (w/K34) Fuses
G110
Figure 2:

Release Signals


Object Number: 860511  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Power, Ground and Controls
Fuse Block-I/P ERLS Fuse
Fuse Block-Underhood BATT2 Fuse and Fuse Block-I/P RR DEFOG, PWR ACC, APO, and STOP/HZD Fuses
Fuse Block-I/P ERLS Fuse
Fuse Block-Underhood BATT2 Fuse and Fuse Block-I/P RR DEFOG, PWR ACC, APO, and STOP/HZD Fuses
Lamp Controls, Rear Turn Lamps, and Indicators
Indicators and Switches