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Old 05-16-2019, 12:39 PM
Neuse River Sailor Neuse River Sailor is offline
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Thanks for the responses. With that parts number, the mechanic has found a replacement for me. In his opinion, the cost of the diodes and labor would be close enough to the cost of a new alternator to make it better to just replace the whole thing. So he is ordering one and will have it for me next week. He will show me how to hook it up, in comparison to the old one.

Since I removed the isolator on suspicion that it was not working correctly, I have three red wires to tie together - a positive from the house battery, a positive from the starting battery, and a positive leading to the alternator. Can I put in a toggle switch with the two positives from the battery on one side, and the positive to the alternator on the other, to make a field disconnect switch, so I can turn the current to the alternator off when the engine is not running?
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