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Wiper Motor Test

  1. Disengage wiper arm linkage from motor. Unplug connector from wiper motor. Connect jumper wire from Black wire terminal on wiper motor to ground.
  2. Connect fused jumper between positive battery terminal and Blue/White wire terminal of wiper motor. Motor should run at low speed. Disconnect jumper from Blue/White wire terminal and reconnect it to Red wire terminal of wiper motor. Motor should run at high speed. Replace motor if operation is not as specified.