I purchased a used 1998 Carver 455 and am a bit puzzled by what I believe was a factory installed dual-voltage refrigerator. On the 12v power panel I have switches labeled Aft Deck Refrigerator and another labeled Refrigerator. The aft deck refrigerator runs fine on 12v power but the refrigerator in the galley does not appear to operate on 12v regardless of the position of this switch. The galley refrigerator is original Carver equipment (marvel model 61ar ma). Am I missing something? Is there a fuse somewhere that might need to be reset? Any help you could offer would be appreciated.