F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Trailer Lamps: Initial Inspection and Diagnostic Overview
1. Check the trailer feed wiring and the added trailer connector for obvious signs of damage.
2. Check fuses for damage.
3. If the concern remains after these checks proceed to the symptom chart. See: Symptom Related Diagnostic Procedures
