Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1848 (FIXED & MOVEABLE WINDOW SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPOWER WINDOWS MALFUNCTIONCOMPONENT TESTINGPASSENGER WINDOW SWITCH
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Passenger Window Switch
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Passenger Window Switch
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the passenger window switch.
- Test for infinite resistance between the control terminals G and F and the B+ terminal A with the switch in the INACTIVE position.
- If less than the specified value, replace the window switch.
- Test for less than 2 ohms between the control terminal G and the B+ terminal A with the switch in the UP position.
- If greater than the specified range, replace the window switch.
- Test for less than 2 ohms between the control terminal F and the B+ terminal A with the switch in the DOWN position.
- If greater than the specified range, replace the window switch.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.