GM Service Manual Online
For 1990-2009 cars only

The windshield/washer system consists of the following components:

    • A permanent-magnet wiper motor assembly
    • A transmission assembly
    • The wiper arm and blade assemblies
    • A washer solvent container
    • A wiper/washer switch assembly

The following components are mounted on the solvent container:

    • A washer pump (or pumps)
    • A solvent level sensor

A printed circuit board in the wiper motor cover assembly controls the following functions:

    • Pulse
    • Timing
    • Demand wash

The wiper motor is equipped with radio frequency interference (RFI) suppression.