Troubleshooting Hints - Interior Lights Dimming

Perform before beginning System Diagnosis
1. Check the TAIL LPS Fuse by turning the Headlight Switch to "PARK" and observing that the Park Lights come ON.
2. If none of the Instrument Panel lights come ON and the Tail LPS Fuse is OK, check the INST LPS Fuse.
3. If only one Instrument Panel light does not come ON, check bulb, connections, and related wiring for an open.
^ Refer to Instrument Panel, Gages and warning Indicators for Instrument Panel access.
^ Refer to System Diagnosis. System Diagnosis - Interior Lights Dimming
^ Check for a broken (or partially broken) wire inside of the insulation which could cause system failure but prove "GOOD" in a continuity/voltage check refer to Diagnostic Aids. Diagnostic Aids
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems refer to Diagnostic Aids. Diagnostic Aids