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Home >> Buick >> 1998 >> Regal V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Description and Operation >> Body Control System Operation >> Power Requirements
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Power Requirements

The Body Control Module (BCM) has three main voltage feeds and one ground. Circuit 2340 is used to provide power for the BCM's logic and internal driver operation. Circuit 1540 provides power for the automatic door lock. Circuit 240 provides power to the courtesy lights.