Ok, short history, Rewired entire boat from stem to stern alternator was fried and bought a replacement (I believe this was a Mando type alt) It was bench tested and works fine. The Generator guy even drew a diagram on how to hook it up. I did this and while running it in a water tank I see no charge to the system. Shouldn't I be reading 14+ volts @ the battery while running it? We ran it last year with a used oem alt that went bad i.e. dead battery on the water = no fun. Matt