Expedition 2WD V8-5.4L SOHC VIN L (1997)
Wiper Switch: Flow of Diagnosis
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
3. If the fault is not visually evident, determine the symptom and proceed to the Symptom Chart.