A reputated manufacturer of regulators said: "Input voltage 0 to 28V DC at max 2,5A." Is it possible to have a flow of current at 0V? Is it possible to have current but no voltage? Is it possible to have voltage but zero current? reg KD Höstrusk och grå moln - köp en resa till solen på Yahoo! Resor på adressen http://se.docs.yahoo.com/travel/index.html