LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2007 >> Uplander Base, 3.9 1 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Fixed & MOVEABLE Window Systems >> Diagnostic Information and Procedures >> Power Window Express Down Function Inoperative >> Component Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
scientia non olet · About LEMON Manuals