Expedition 4WD V8-4.6L SOHC VIN W (1999)
Tail Lamp: Flow of Diagnosis
1. Verify the customer concern by operating the parking lamps.
2. Visually inspect for obvious signs of mechanical and electrical damage.
VISUAL INSPECTION CHART
Mechanical
^
Damaged multifunction switch
^
Damaged headlamp switch
Electrical
^
Battery junction box Fuse 7 (15 A)
^
Central junction box Fuse 4 (5 A)
^
Damaged wiring harness
^
Loose or corroded connections
^
Damaged parking lamp relay
^
Damaged parking, rear or license lamp
3. If the concern is not visually evident, determine the symptom and proceed to Symptom Chart. See: Symptom Related Diagnostic Procedures
