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Home >> Chevrolet >> 2007 >> Uplander Base, 3.9 1 >> Repair and Diagnosis >> Body & Frame >> Windows >> Fixed & MOVEABLE Window Systems >> Diagnostic Information and Procedures >> Power Window Express Down Function Inoperative >> Component Testing

Component Testing

Driver Window Switch

  1. Ignition OFF, disconnect the harness connector at the driver window switch.
  2. Test for infinite resistance between the signal terminals G and H and the B+ circuit terminal C with the driver window switch in the INACTIVE position.
    • If less than infinite resistance, replace the driver window switch.
  3. Test for less than 2 ohms of resistance between the signal terminal G and the B+ circuit terminal C with the driver window switch in the UP position.
    • If greater than 2 ohms, replace the driver window switch.
  4. Test for less than 2 ohms of resistance between the signal terminal H and the B+ circuit terminal C with the driver window switch in the DOWN position.
  5. If greater than 2 ohms, replace the driver window switch