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Home >> Saturn >> 2004 >> Vue Red Line, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control System >> Description and Operation >> Body Control System Description and Operation >> Device Power

Device Power

Battery 1 voltage is supplied to the BCM by circuit 2540. Battery 2 voltage is supplied to the BCM by circuit 1640. These inputs are internally monitored by the BCM for proper operating voltage. The proper operating voltage range is from 9-16 volts.