Thank you for the reply Rick.
I can see the back of the live well by looking through the Center Console opening. The "IN' from the live well pump is a small "heater hose" type, while the "DRAIN" hose is larger, like a "radiator hose" and is similar to the 2 cockpit, aft "self- bailing" hoses.
I wouldn't think that a hose of this size would not go to a thru-hull fitting, rather "Y" into one of the self-bailing hoses, or has it's on exit fitting that I am unaware of, and is stopped up. If so, why would it drain under way and not on the trailer?
Thanks again,
Dave