Troubleshooting Hints - Interior Lights

1. CHECK the condition of the CIG LTR Fuse 13, GAUGES Fuse 4, CTSY Fuse 3, HORN Fuse, and PARK LPS Fuse 9. If any fuse(s) is open, LOCATE and REPAIR source of overload. REPLACE fuse(s).
2. CHECK that Grounds G105, G200, G202, and G400 are clean and tight.
3. CHECK for open filaments in inoperative lamps. If IP Compartment Box Lamp remains ON with the switch OFF, REPLACE the IP Compartment Box Lamp. If Underhood Reel Lamp remains ON with the switch OFF, REPLACE the Underhood Reel Lamp.
- CHECK for a broken (or partially broken) wire inside of the insulation which could cause system malfunction but prove GOOD in a continuity/voltage check with a system disconnected. These circuits may be intermittent or resistive when loaded, and if possible, should be checked by monitoring for a voltage drop with the system operational (under load).
- CHECK for proper installation of aftermarket electronic equipment which may affect the integrity of other systems. Refer to "General Troubleshooting Procedures". Diagnostic Aids