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

Wiper System


Object Number: 1655964  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Washer System
Underhood Fuse Block IBCM 2, Body Control Module (BCM) ACCESSORY Relay, DOOR LOCK, POWER WINDOWS, ROOF/HEAT SEAT and WPR SW Fuses
Underhood Fuse Block - B+
Washer System
G109
Figure 2:

Washer System


Object Number: 1655966  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Wiper System
Underhood Fuse Block IBCM 2, Body Control Module (BCM) ACCESSORY Relay, DOOR LOCK, POWER WINDOWS, ROOF/HEAT SEAT and WPR SW Fuses
Wiper System
Low Speed Serial Data
G101 and G102