Operation CHARM
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Ford Truck
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2007
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F 150 2WD V8-4.6L VIN W
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Repair and Diagnosis
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Lighting and Horns
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Headlamp
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Stoplamps
Stoplamps
PRINCIPLES OF OPERATION
When the brake pedal is applied, the stoplamp switch routes voltage directly to the high mounted stoplamp and the multifunction switch. The multifunction switch then routes voltage to the rear lamps.