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 1224 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESCOURTESY LAMPS MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Circuit/System Verification
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION 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, all doors closed. The interior courtesy lamps should not be illuminated.
- If the interior courtesy lamps are illuminated, refer to Courtesy Lamps Always On.
- Open and close each door. The dome lamp and the courtesy lamps should illuminate when each door is opened.
- If the courtesy lamps do not illuminate, refer to Courtesy Lamps Inoperative From Door.
- Place the reading lamps in the ON position. The reading lamps should illuminate. If the reading lamp does not illuminate, refer to Reading Lamp Inoperative.
- Open the vanity mirrors. The vanity mirror lamps should illuminate.
- If the vanity mirror lamps do not illuminate, refer to Vanity Mirror Lamps Inoperative.
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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.