My engine will start fine and sounds great/normal. After about 10-15 seconds it cuts off. I am having no fuel problems. There is fuel to all carburetors. I am leaning towards an electrical problem and have been told about a switch that starts out by directing current from the batteries during starting and then switches over to alternator after 10-15 seconds. If this sounds familiar or you have other ideas I would appreciate the advice.<br /><br />Thanks!