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One Power Window Inoperative

  1. Check Master Switch

    Remove master power window switch. Test master switch. See MASTER SWITCH  under COMPONENT TESTING. Replace master switch if necessary. If master switch is okay, reinstall switch and go to next step.

  2. Check Power To Motor

    Disconnect window motor harness connector for inoperative window. Connect a test light or voltmeter between suspect window motor harness connector terminals. Turn ignition on and operate master switch up and down for inoperative window. If battery voltage does not exist, go to next step. If battery voltage exists, ensure window tracks and mechanisms are not causing window to bind and repair if necessary. If window is not binding, replace window motor.

  3. Check Motor Circuit Continuity

    Remove single window switch for inoperative window. Measure resistance of circuits between inoperative window motor and single switch. See WIRING DIAGRAM  for wire color identification. If resistance is less than 5 ohms, go to next step. If resistance is greater than 5 ohms, repair open wire in question.

  4. Switch Circuit Continuity

    Remove power window master switch. Measure resistance of circuits between single switch for inoperative window and master switch. See WIRING DIAGRAM  for wire color identification. If resistance is less than 5 ohms, replace single switch. If resistance is greater than 5 ohms, repair open wire in question.
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