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Component Testing

  1. Ignition OFF, disconnect the harness connector at the appropriate rear M74 window motor.
  2. Install a 30 A fused jumper wire between one of the control terminals and 12 V. Momentarily install a jumper wire between the other control terminal and ground. Reverse the jumper wires at least two times, the rear M74R window motor should perform the UP and DOWN functions.
    • If it does not perform as specified, replace the rear M74 window motor.
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