Operation CHARM
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Pontiac
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1996
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Firebird V6-3.8L VIN K
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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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Universal Theft Deterrent (UTD) System
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System Components
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Horn and Parking Lamp Relays
Horn and Parking Lamp Relays
The relays are controlled by the BCM to provide power for the horn and parking lamps when the system is activated.