Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

3) - Turn the ignition off while the wiper arms are not in the park position. If the wiper arms go to the park position and stop when the ignition is turned on, an internal fault in the windshield wiper/washer switch or short to voltage in the pigtail harness is present.

Fig 1: Wipers Always On Diagnosis (Steps 1-8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Wipers Always On Diagnosis (Steps 9-11)

Courtesy of GENERAL MOTORS CORP.