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

Front Wiper System


Object Number: 1426642  Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Rear Wiper System with Prewash Function
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
Low Washer Fluid Level, Oil Pressure Indicators, IPC Illumination
Figure 2:

Rear Wiper System with Prewash Function


Object Number: 1666863  Size: FS
Master Electrical Component List
Rear Wiper/Washer System Description and Operation
Control Module References
Front Wiper System
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
Air Pump, ETCS, Head, ALTS, EF1 Hazard EF2 Fuses
I/P Lamp Dimmer
G100, G101, G102