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 MANUALSCHEVROLET2010CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISBODY & FRAMEFIXED AND MOVEABLE WINDOWS SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESPOWER WINDOWS MALFUNCTIONCOMPONENT TESTINGWINDOW MOTOR
2010 Chevrolet Chevy Express G3500, Van Passenger Extended
Window Motor
2010 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Window Motor
- Ignition OFF, disconnect the harness connector at the appropriate window motor.
- Install a 25 A fused jumper wire between the control terminal A and 12 V. Momentarily install a jumper wire between the control terminal B and ground. The window motor should perform the UP/DOWN function.
- If the function does not perform as specified, replace the window motor.
- Reverse the jumper wires; the window motor should perform the DOWN/UP function.
- If the function does not perform as specified, replace the window motor.
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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.