Quote Originally Posted by MLA View Post
it requires 2 relays per pump to revers its polarity. This is too complicated considering that a standard Carling DPDT rocker will do this for you and carry the load. The pump only requires 12ga wire and has a continuous current draw of about 15A. I suggest passing on the relays, locate the pump's fuse block under the helm and feed it with with ample cabling from the battery.
I agree 100%, that is what I did. No need for relays (Listen to MLA, he has helped me out on a few wiring single lines)