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 MANUALSCHEVROLET2000CHEVY EXPRESS G3500, VAN PASSENGER, 7.4 JREPAIR AND DIAGNOSISBODY & FRAMEMIRRORSPOWER MIRROR SYSTEMSYMPTOM TESTSASTRO & SAFARILEFT-SIDE POWER MIRROR INOPERATIVE IN UP/DOWN POSITIONS
2000 Chevrolet Chevy Express G3500, Van Passenger, 7.4 J
Left-Side Power Mirror Inoperative In Up/Down Positions
2000 Chevrolet Chevy Express G3500, Van Passenger, 7.4 JSECTION Left-Side Power Mirror Inoperative In Up/Down Positions
- Disconnect left-side power mirror harness connector. Connect test light between left-side power mirror harness connector terminal "D" (Light Green wire) and ground. See Figure . Move power mirror switch to left mirror, down position. If test light does not illuminate, go to next step. If test light illuminates, replace left-side power mirror. See POWER MIRROR ASSEMBLY under REMOVAL & INSTALLATION.
- Using a test light connected to ground, backprobe left-side power mirror switch harness connector terminal "D" (Light Green wire). See Figure . Move power mirror switch to DOWN position. If test light does not illuminate, replace power mirror switch. If test light illuminates, repair open in Light Green wire between left-side power mirror connector terminal "D" and power mirror switch connector terminal "E". See WIRING DIAGRAMS .
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.