F 450 2WD Super Duty V10-6.8L VIN S (1999)
License Plate Lamp: Testing and Inspection
Flow of Diagnosis
1. Verify the customer concern by operating the parking lamps.
2. Visually inspect for the obvious signs of mechanical and electrical damage.
VISUAL INSPECTION CHART
Mechanical
-
Multi-function switch
-
Headlamp switch
Electrical
-
Fuse
-
Damaged wiring harness
-
Loose or corroded connections
-
Parking lamp relay
-
Parking, rear or license lamp
3. If the concern is not visually evident, verify the symptom and proceed to Symptom Chart. See: Symptom Related Diagnostic Procedures
Initial Inspection and Diagnostic Overview
1. Verify the customer concern by operating the parking lamps.
2. Visually inspect for the obvious signs of mechanical and electrical damage.
VISUAL INSPECTION CHART
Mechanical
-
Multi-function switch
-
Headlamp switch
Electrical
-
Fuse
-
Damaged wiring harness
-
Loose or corroded connections
-
Parking lamp relay
-
Parking, rear or license lamp
3. If the concern is not visually evident, verify the symptom and proceed to Symptom Chart. See: Symptom Related Diagnostic Procedures
S Parking, Rear or License Lamps Are Inoperative
