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Wipers Will Not Shut Off

WARNING: This page is about a different car, the 1996 Oldsmobile Ninety-Eight and 1996 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect 6-pin connector from wiper motor. Turn ignition switch to RUN position. Turn wiper switch to OFF position. Using a DVOM, measure voltage between chassis ground and Gray wire terminal of wiper motor 6-pin connector.
  2. If zero volts is present, go to next step. If battery voltage is present, check for short to battery voltage in Gray wire is okay, replace wiper switch.
  3. Disconnect 3-pin connector from wiper motor. Measure voltage between chassis ground and Purple wire terminal of wiper motor 3-pin connector. If zero volts is present, repair short to battery voltage in Yellow wire between wiper motor connectors.
  4. If battery voltage is present, check for short to battery voltage in Purple wire. If Purple wire is okay, replace wiper switch.
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