Diagnostic Aids
WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
Check wiring for an open or short circuit. Check for backed-out terminals, poor mating of connectors, broken connector locks, incorrectly formed or damaged terminals, poor terminal-to-wiring connections, wiring harness damage, and corroded terminals or connections.