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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof >> Diagnostic Information and Procedures >> Power Sunroof Inoperative >> Component Testing

Component Testing

Sunroof Switch

  1. Ignition OFF, disconnect the harness connector at the sunroof switch.
  2. Test for infinite resistance between the switch terminals listed below and the ground circuit terminal C with the switch in the open position.
    • Sunroof close terminal E
    • Sunroof open terminal D
    • If not the specified value, replace the sunroof switch.
  3. Test for less than 5 ohms between the switch terminals listed below and the ground circuit terminal C with the switch in the closed position.
    • Sunroof close terminal E
    • Sunroof open terminal D
    • If greater than the specified value, replace the sunroof switch.