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Home >> Jeep >> 1987 >> Comanche Base, 2.1 B >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Testing >> Wiper/Washer System >> Intermittent Wiper Module
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Intermittent Wiper Module

Disconnect module connector to wiper washer switch. Plug White wire and Lt. Green wire with tracer together. If all wire functions are working except delay, turn ignition switch to "OFF" position. Check resistance at wiper washer switch Dk. Green wire.

  1. Connect ohmmeter between Dk. Green wire and Brown wire. Turn delay close to "OFF" position. Ohmmeter should read 10,000-500,000 ohms.
  2. Connect ohmmeter between Dk. Green wire and Brown wire. Turn delay close to "LO" position. Ohmmeter should read 10,000-500,000 ohms.
  3. Connect ohmmeter between Dk. Green wire and White wire. Turn delay close to "OFF" position. Ohmmeter should read 10,000-500,000 ohms.
  4. Connect ohmmeter between Dk. Green wire and White wire. Turn delay close to "LO" position. Ohmmeter should read 10,000-500,000 ohms.
  5. If readings are incorrect, replace wiper washer switch. If readings are correct, replace module.