Operation CHARM
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Ford Truck
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2002
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Excursion 4WD V10-6.8L
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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?)
Principles of Operation (How Does It Work?)
The Vehicle Security Module
(VSM)
controls the following Systems:
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perimeter alarm
^
remote keyless entry (and panic feature)
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computer-operated locks
^
autolamp