Thanks, Tac, that is a great help and I am starting to understand. One thing that gave me problems was I saw in Don Casey's book "This Old Boat" on pages 236 and 237 a description of a field disconnect switch and it included a sketch that showed a switch in what he labeled "supply wire" which ran from the battery + to the regulator. That's why I thought I could put a switch where the isolator used to be.
But I think what you are telling me is to run the big + cable out of the alternator/regulator to the common at the selector switch and run the battery + cables to the 1 and 2 connectors. What I still wonder about, is the sketch that I posted earlier, that came from the previous owner of the boat, shows that the common already has a cable from it to the starter. So is it ok to stack the cable from the alternator on that one?
Here is my sketch of what I currently understand that I should do. I have omitted the wires that I wouldn't change from the current setup, like the one from the alternator to the coil, and the ground, which I understand isn't really a wire, just a representation of the alternator being grounded to the engine by being bolted in place. Does this look like a workable arrangement?
But I think what you are telling me is to run the big + cable out of the alternator/regulator to the common at the selector switch and run the battery + cables to the 1 and 2 connectors. What I still wonder about, is the sketch that I posted earlier, that came from the previous owner of the boat, shows that the common already has a cable from it to the starter. So is it ok to stack the cable from the alternator on that one?
Here is my sketch of what I currently understand that I should do. I have omitted the wires that I wouldn't change from the current setup, like the one from the alternator to the coil, and the ground, which I understand isn't really a wire, just a representation of the alternator being grounded to the engine by being bolted in place. Does this look like a workable arrangement?
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