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Home >> Chevrolet >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Wiper System/Washer System - G Series Vans) >> Testing >> Wipers Do Not Operate In Lo

Wipers Do Not Operate In Lo

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1992 GMC Vandura Special, 1992 GMC Vandura, 1992 GMC Rally Camper Special, 1992 GMC Rally, and 1992 GMC Magnavan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect wiper motor/module connector. Turn ignition switch to ACC position and wiper switch to LO position. Connect test light between ground and Gray wire of wiper motor/module harness connector. See Figure . If test light does not glow, go to next step. If test light does glow, repair/replace wiper motor/module.
  2. Connect test light between ground and Gray wire of wiper switch connector located under instrument panel, to left of steering column. If test light does not glow, replace wiper switch. If test light glows, locate and repair open in Gray wire between wiper switch connector and wiper motor/module connector.
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