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All Power Windows Inoperative

  1. Ignition OFF, disconnect the B+ harness connector at the Main Power Window Switch.
  2. Ignition OFF, test for less than 1.0 Ω of resistance between the ground circuit terminal 8 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal 1 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for an open/high resistance. If the PWR WDW fuse is open, check the B+ circuit for a short to ground. If the circuit tests normal, test or replace the Underhood Fuse Block.
  4. If all circuits test normal, test or replace the Main Power Window Switch.
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