Econoline E150 1/2 Ton V6-4.2L VIN 2 (1998)
Headlamp Dimmer Switch: Initial Inspection and Diagnostic Overview
1. Verify the customer concern by operating the multi-function switch.
2. Visually inspect the following for obvious signs of mechanical and electrical damage:
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Damaged multi-function switch
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Blown fuse(s)
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Damaged ignition switch
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Damaged wiring harness
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Loose or corroded connections
3. If the fault is not visually evident, determine the symptom and proceed to the Symptom Chart.
