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

Front Wiper/Washers


Object Number: 1638504  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Rear Wiper and Front/Rear Washers (C25)
Underhood Fuse Block, ICBM 2, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, REAR WIPER, ROOF/HEAT SEAT and WIPER SW Fuses
Low Speed Serial Data
B+ Bussing
G109
Rear Wiper and Front/Rear Washers (C25)
G101 and G102
Figure 2:

Rear Wiper and Front/Rear Washers (C25)


Object Number: 1638506  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Front Wiper/Washers
Underhood Fuse Block, ICBM 2, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, REAR WIPER, ROOF/HEAT SEAT and WIPER SW Fuses
Front Wiper/Washers
Underhood Fuse Block, ICBM 2, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, REAR WIPER, ROOF/HEAT SEAT and WIPER SW Fuses
G302