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 G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 101 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESHAZARD LAMPS MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Circuit/System Verification
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, turn signal switch OFF. The turn signal lamps should not illuminate.
- If the either turn signal lamp illuminates, refer to Turn Signal Always On.
- Command the left and right turn signals ON and OFF with a scan tool. The turn signals and indicators should illuminate and flash when commanded ON.
- If the turn signals do not illuminate and flash when commanded ON, refer to Turn Signals Inoperative From BCM.
- If the turn signal indicators do not illuminate and flash, refer to Turn Signal Indicators Inoperative.
- Hazard switch ON, the turn signal lamps should illuminate and flash.
- If the turn signals do not illuminate and flash, refer to Hazard Lamps Inoperative.
- Refer to Turn Signals Inoperative From 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.