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

Front Wiper/Washers


Object Number: 1501124  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Rear Wiper and Front/Rear Washers (C25)
Underhood Junction Block - ICBM Batt2, BCM - PWR Windows, Wiper Sw, Sunroof/HTD Seat Fuses
Low Speed Serial Data
B+ Bussing
G109
G101 and G102
Figure 2:

Rear Wiper and Front/Rear Washers (C25)


Object Number: 1501128  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Front Wiper/Washers
Underhood Junction Block - ICBM Batt2, BCM - PWR Windows, Wiper Sw, Sunroof/HTD Seat Fuses
G302