Operation CHARM
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Ford Truck
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2002
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F 150 4WD Pickup V8-5.4L SOHC VIN L
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Accessories and Optional Equipment
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General Module
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Description and Operation
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Principles of Operation (How Does It Work?)
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Central Security Module
Central Security Module
The central security module controls the following Systems:
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remote keyless entry
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computer-operated locks