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

Engine Cooling (Except L66)


Object Number: 1795953  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
L66
B+ Bus and EPS Fuse
IGN Fuse and Ignition Switch Circuits
BACKUP, PWR TRAIN, 10A ABS, and INJECTOR Fuses (Except HP7)
G101
Figure 2:

Engine Cooling (L66)


Object Number: 1796015  Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Except L66
B+ Bus and EPS Fuse
IGN Fuse and Ignition Switch Circuits
BACKUP, PWR TRAIN, 10A ABS, and INJECTOR Fuses (Except HP7)
G101
G101