GMC Safari 2003 Owner's Manual page 314

Fuse/Circuit Usage
Breaker
DIODE-1 Air Conditioning
Blank Not Used
Blank Not Used
Blank Not Used
Courtesy Fuse, Power Adjust Mirrors
LIGHTING Fuse, Truck Body Control Battery
Fuse
Power Accessory Circuit Breaker,
Stop/Hazard Fuse, Auxiliary Power
BATT
Fuse, Cigarette Lighter Fuse, Radio
Battery Fuse
5-98
Fuse/Circuit Usage
Breaker
IGN A Starter Relay, Ignition Switch
IGN B Ignition Switch
Electronic Brake
ABS
Control Module
Blank Not Used
RAP Radio Accessory, Power Windows
HTD MIR/RR Rear Window Defogger,Climate
DEFOG Control Head