Operation CHARM
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Pontiac Truck
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1998
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Trans Sport V6-3.4L VIN E
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Description and Operation
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Content Theft Deterrent (CTD) Circuit
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Theft Deterrent Relay
Theft Deterrent Relay
The BCM controls the theft deterrent relay. The exterior lights turn on during certain modes of operation.