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Without Rainsense Module

WARNING: This page is about a different car, the 1997 Cadillac Seville, 1997 Cadillac Eldorado, and 1997 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect wiper motor 6-pin connector. 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. If Gray wire is okay, replace wiper switch.
  3. Disconnect wiper motor 3-pin connector. Measure voltage between chassis ground and Purple wire terminal of wiper motor 3-pin connector. If zero volts is present, go to next step. If battery voltage is present, check for short to battery voltage in Purple wire. If Purple wire is okay, replace wiper switch.
  4. Measure voltage between chassis ground and Yellow wire terminal of wiper motor 3-pin connector. If zero volts is present, replace wiper motor. If battery voltage is present, repair short to battery voltage in Yellow wire between wiper motor 3-pin and 8-pin connectors.
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