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GMC Truck
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2000
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C 3500 Truck 2WD V8-5.7L VIN R
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Repair and Diagnosis
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Body and Frame
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Locks
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Power Locks
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Description and Operation
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General Description
General Description
The
BCM
is responsible for energizing the
door lock relay
. The door lock relay will be energized whenever the BCM receives a command from any of the door lock/unlock switch or a input from the remote control door lock transmitter.