Troubleshooting Hints - Interior Lights Dimming

Try the following checks before performing other diagnosis.
1. Check the TAIL Fuse, Light Switch, and ORN (240) wire by observing the Park Lights. See Exterior Lights if the Park Lights do not operate. Testing and Inspection
2. Check the INST LPS Fuse.
3. If only one light does not operate, check the bulb and wiring to the suspect light.
4. If the Instrument Panel Lights do not operate, check the GRY (8) and BLK (150) wires. Check the bulbs if the GRY (8) and BLK (150) wires are OK.
5. If the Instrument Panel Lights do not come on at dusk, refer to Lighting and Horns, Daytime Running Lamp for diagnostic procedures. Daytime Running Lamp