Initial Checks

WARNING: This page is about a different car, the 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Before proceeding with charging system diagnosis, ensure following conditions are met:

Battery is fully charged and in good condition.
Battery cables are in good condition with connections clean and secure.
Generator belt is in good condition and properly tightened.
Generator and PCM wiring harness connections are clean and tight.
Engine ground strap is in place.