Initial Checks

Check fuse No. 28 (30-amp) in power distribution box, located in engine compartment. Also, check fuse No. 41 (10-amp) at instrument panel fuse box. Check for proper door alignment. Check for a binding door latch. Operate all switches. Check battery condition and battery terminals. Check connectors for loose or corroded terminals. Check for good clean connections at chassis ground point locations. See WIRING DIAGRAMS  . Correct any obvious problems before performing DIAGNOSTIC TESTS, SYSTEM TESTING or DIAGNOSTIC TROUBLE CODE TESTS.