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Ford Truck
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2003
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Expedition 2WD V8-5.4L SOHC VIN L
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Repair and Diagnosis
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Lighting and Horns
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Daytime Running Lamp
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Description and Operation
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Principles of Operation (How Does It Work?)
Principles of Operation (How Does It Work?)
PRINCIPLES OF OPERATION
The daytime running lamps are implemented by using the fog lamps at 100% system voltage.