B4000 2WD V6-4.0L SOHC (2003)
Tail Lamp: Component Tests and General Diagnostics
PARKING, REAR, LICENSE LAMPS INSPECTION
1. Verify the customer concern by operating the parking lamps.
2. Visually inspect for obvious signs of mechanical and electrical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the fault is not visually evident, determine the symptom and see SYMPTOM TROUBLESHOOTING CHART- PARK/REAR/LICENSE
LAMP. See: Symptom Related Diagnostic Procedures