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Home >> Ford >> 1982 >> Pickup F100, 4.2L Eng VIN D, Standard Trans >> Repair and Diagnosis >> Electrical >> Body Electrical >> Wiper/Washer Systems >> Testing >> Wiper Motor Current Draw >> "E" Models

"E" Models

  1. Disconnect linkage from motor and use suitable connector sleeves (kit no. C4AZ-I4294-B or equivalent) between motor terminals and a volt-amp meter. Connect positive (Red) lead from meter to center terminal on motor end plate and Green lead from meter to battery positive post.
  2. Connect a jumper wire from negative post of battery to low speed terminal on motor end plate and check current draw. Move jumper wire from low speed to high speed terminal and check current draw.
  3. Current draw should not exceed 3.5 amperes. If current draw is excessive, check output arm and windlatch mechanism for binding or damage before replacing motor. See Fig. 1. 
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