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Wipers Operate In High Speed, But Not Low

  1. Disconnect wiper motor connector. Turn ignition switch to accessory position. Turn wiper switch to LO position. Connect test light between ground and Gray wire terminal of wiper motor connector. If test light glows, repair or replace wiper motor.
  2. If test light does not glow, connect test light between ground and Gray wire terminal of wiper switch connector. See Figure . If test light does not glow, replace wiper switch. If test light glows, repair open in Gray wire between wiper switch and wiper motor.
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