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Home >> GMC >> 1996 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System And Washer System - P Series Vans >> Testing >> Washer Motor Operates At All Times With Ignition Switch In Run Position

Washer Motor Operates At All Times With Ignition Switch In Run Position

  1. Turn ignition switch to RUN position. Disconnect wiper switch connector. If washer motor continues to run, go to next step. If washer motor stops, replace wiper switch.
  2. Turn ignition off. Disconnect pulse wiper control module connector. Turn ignition switch to RUN position. If washer motor stops, replace pulse wiper control module. If washer motor stops, then starts again, repair short to ground in Pink wire between pulse wiper control module and wiper motor connector. See Figure .
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