Have you checeked the bulb?
If bulb is good, us a test lamp to test for battery voltage at the light socket. If voltage is present, check for bad socket or grounding circuit.
Jan 2, 2011 at 12:57 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.