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Wiper Inoperative

  1. Remove washer pump to gain access to relay switch and terminal board assembly. Connect 12-volt source to wiper, feed side to center terminal, and ground side to gear housing. DO NOT connect jumper to terminal No. 1 and terminal No. 3.
  2. To determine if relay switch coil is open, connect test light to wiper terminal No. 1. Tester should light. Also test relay switch.
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