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

Wipers


Object Number: 1975116  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation Wiper and Washers
Washers
Figure 2:

Washers


Object Number: 1975117  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation Wiper and Washers
Wipers