Diagnostic Aids
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Test the fog lamp switch for sticking in the ON position.
- Perform a visual Inspection for loose or poor connections at all related components. Refer to TESTING FOR INTERMITTENT & POOR CONNECTIONS .