Diagnostic Aids
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
Important: Use the appropriate probe from the J 35616-A connector test adapter kit for any probing of the electrical components mentioned in this table to avoid damage to the terminals.
Perform a visual inspection for loose or poor connections at all related components. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS in Wiring Systems.