LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1991 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System/Washer System - P Series Vans >> Testing >> Wipers Do Not Operate In Lo Or Delay Testing

Wipers Do Not Operate In Lo Or Delay Testing

  1. Turn ignition to RUN of ACC position and wiper switch in LO position. Connect a fused jumper between ground and Gray wire at wiper switch connector C221. See Figure .
  2. If wiper motor runs, replace wiper/washer switch. If wiper motor fails to run, repair open in Purple wire between wiper motor and wiper/washer switch connector. If wire is okay, replace wiper motor. See Figure .
scientia non olet · About LEMON Manuals