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Wipers Do Not Operate In Hi

  1. Turn ignition switch to RUN position. Turn wiper switch to HI position. Using a DVOM, backprobe from Purple wire terminal of wiper switch connector to battery voltage. See Figure . If voltage is more than 10 volts, go to next step. If voltage is less than 10 volts, replace wiper switch.
  2. Backprobe from Purple wire terminal of pulse wiper control module connector to battery voltage. If voltage is more than 10 volts, repair open Purple wire between pulse wiper control module connector and wiper motor connector. If voltage is less than 10 volts, replace pulse wiper control module.
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