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Wiper Motor

WARNING: This page is about a different car, the 1997 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Disengage linkage from motor. Disconnect wiper connector. Connect Green lead from Starting and Charging System Tester (078-00005) to negative battery terminal.
  2. Connect Red tester lead to wiper motor terminal No. 3. See Fig 1 . Connect a jumper wire between positive battery terminal and wiper motor terminal No. 4. Observe ammeter and note low speed current draw. If current draw is more than 3.5 amps, replace wiper motor. If current draw is 3.5 amps or less, disconnect jumper wire and go to next step.
  3. Connect a jumper wire between positive battery terminal and wiper motor terminal No. 5. Observe ammeter and note high speed current draw. If current draw is more than 5.5 amps, replace wiper motor.
Fig 1: Identifying Wiper Motor Connector Terminals
G97B28556Courtesy of FORD MOTOR CO.
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