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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 5.7 RREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSPOWER WINDOW SYSTEMTESTINGBOTH WINDOWS DO NOT OPERATE
1997 Chevrolet Chevy Express G3500, Van Cargo Extended, 5.7 R
Both Windows Do Not Operate
1997 Chevrolet Chevy Express G3500, Van Cargo Extended, 5.7 RSECTION Both Windows Do Not Operate
- Disconnect left window switch connector. Connect self-powered test light between ground and Black wire at left window switch connector. If test light illuminates, go to next step. If test light does not illuminate, repair open in Black wire between left window switch and ground connection.
- Turn ignition switch to ACC position. Connect test light between ground and Yellow wire at left window switch connector. If test light does not illuminate, repair open in Yellow wire between left window switch and instrument panel fuse block. If test light illuminates, replace left window switch.
RENDER: 1.0x
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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.