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Wipers Do Not Operate In High Speed

  1. Disconnect wiper motor connector. Turn ignition switch to RUN position. Turn wiper switch to HI position. Connect test light between ground and Purple wire terminal of wiper motor connector. If test light is off, go to next step. If test light is on, replace wiper motor.
  2. Using a test light, backprobe from terminal No. E3 (Purple wire) of wiper switch connector to ground. See Figure . If test light is off, replace wiper switch. If test light is on, repair open circuit in Purple wire between wiper switch and wiper motor.
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