Ranger 2WD L4-153 2.5L SOHC VIN C SFI (1998)
Trailer Lamps: Flow of Diagnosis
1. Verify the customer concern by operating the trailer tow lamps.
2. Verify the exterior lighting system of the vehicle is operating properly.
3. Visually inspect for obvious signs of electrical damage.
VISUAL INSPECTION CHART
Electrical
^
Blown fuse(s)
^
Loose or corroded connections
^
Circuity
^
Damaged relays
^
Failed bulb(s)
4. If the fault is not visually evident, determine the symptom and proceed to Symptom Chart.
