F 150 2WD Pickup V8-4.6L SOHC VIN W (1998)
Trailer Lamps: Flow of Diagnosis
1. Verify the customer concern by operating the trailer towing package.
2. Visually inspect for the following obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
^
Blown fuse(s)
^
Corroded/loose connector(s)
^
Loose/broken wire(s)
^
Failed bulb(s)
3. If the concern is not visually evident, determine the symptom and proceed to Symptom Chart. See: Symptom Related Diagnostic Procedures
