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Wipers Run At High Speed Only Test

  1. Disconnect wiper motor module connector C1. Turn ignition switch to RUN position. Turn wiper/washer switch to LO position. Connect a test light between connector C1 terminal "B" and ground. If test light is on, go to next step. If test light is off, check for open in circuit No. 91 (Gray wire) or poor connection at wiper/washer switch connector terminal "C". If circuit and connection are okay, replace wiper/washer switch.
  2. Connect a test light between connector C1 terminal "C" and ground. If test light is on, go to next step. If test light is off, check for open in circuit No. 95 (Dark Green wire) or poor connection at wiper/washer switch connector terminal "D". If circuit and connection are okay, replace wiper/washer switch.
  3. Use an ohmmeter to check for continuity from wiper motor module connector C1 terminal "A" to connector C2 terminal "B". If continuity is found, check for poor connection at wiper motor module connector C1. If connection is okay, replace wiper motor module. If no continuity is found, check for open in circuit No. 196 (Yellow wire).
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