Econoline E350 1 Ton V8-5.4L SOHC VIN L (1999)
Turn Signal Switch: Flow of Diagnosis
1. Verify the customer concern by operating the multi-function switch or ignition switch.
2. Visually inspect for the obvious signs of mechanical and electrical damage.
Visual Inspection Chart
3. If the fault is not visually evident, determine the symptom and proceed to Symptom Chart.See: Powertrain Management/Ignition System/Sensors
and Switches - Ignition System/Ignition Switch/Testing and Inspection/Symptom Related Diagnostic Procedures
