Initial Inspection and Diagnostic Overview

1. Check the TURN BACK Fuse with a fuse tester.
2. Check that 0300 is clean and tight.
3. For vehicles equipped with 3-Speed Automatic Transmission, check for proper adjustment of PARK NEUTRAL POSITION SWITCH.
4. For vehicles equipped with 4-Speed Automatic Transmission, check for proper adjustment of TRANSMISSION RANGE SWITCH.
5. Check for open or shorted filaments within the inoperative bulb.
6. Before component replacement, check for poor connections at related component and in-line harness connector terminal connections.