Operation CHARM: Car repair manuals for everyone.

Troubleshooting Hints - Exterior Lights

1. If neither the Turn Lamps or Backup Lamps work, check the TURN B/U Fuse.
2. If neither the Stoplamps nor Hazard Lamps work, check the STOP-HAZ Fuse.
3. If one of the Turn Indicators goes on when the Park Lamps are turned on, check the Front Park/Turn Lamp on that side.
4. If Turn Lamps stay on (do not flash) in both "LEFT" Turn and "RIGHT" Turn, replace the Turn Signal Lamp Flasher.
5. For any of the following symptoms replace the Turn Signal Switch:
^ All Turn/Hazard/Stoplamps do not work and C2O6 is firmly mated.
^ Some Turn Lamps work and all Hazard Lamps work.
^ Some Hazard Lamps work and all Turn Lamps work.
^ Hazard Lamps do not turn off.
6. If Hazard Lamps stay on (do not flash) in "HAZARD," but Stoplamps operate normally, replace the Hazard Flasher.
7. If Stoplamps do not turn off, adjust/replace the Stoplamp Switch.
8. If a Turn Indicator does not light but the Turn Signal works, check the bulb, connections and wiring to the Indicator.
9. If only one lamp does not operate, check the lamp, socket and related wiring for opens or corrosion (see schematic).
^ 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
^ Refer to System Diagnosis.