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Wipers Do Not Operate In Any Mode

  1. Disconnect wiper switch connector. Turn ignition switch to RUN position. Connect test light between chassis ground and terminal E5 (Yellow wire) of wiper switch connector. See Figure . If test light does not come on, replace fuse and/or repair open circuit in Yellow wire.
  2. If test light is on, disconnect 3-pin connector from wiper motor. Connect test light between battery voltage and terminal "C" (Black wire) of 3-pin connector. See Figure . If test light does not come on, repair open circuit in Black wire.
  3. If test light is on, reconnect wiper switch connector. Disconnect 6-pin connector from wiper motor. Connect test light between chassis ground and terminal "C" (Dark Green wire) of wiper motor connector. See Figure . If test light is on, go to next step. If test light is off, check for open in Dark Green wire. If Dark Green wire is okay, replace wiper switch.
  4. Turn wiper switch to LO position. Connect test light between chassis ground and terminal "B" (Gray wire) of wiper motor connector. If test light is on, go to next step. If test light is off, check for open circuit in Gray wire. If Gray wire is okay, replace wiper switch.
  5. Check for continuity in Yellow wire between terminal "B" of 3-pin connector and terminal "A" of 6-pin connector. If there is no continuity, repair open in Yellow wire. If there is continuity, check for poor wiring connection at wiper motor. If connection is okay, replace wiper motor assembly.
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