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Who makes the engine in the boat? Can I get a make/model/serial number on that?
Is it a Mercruiser setup or OMC? The electrical systems are all different so I need to know exactly what you have
Got it. The voltage regulator is part of the alternator. The best thing to do if you have a shop that does it would be to have that alternator rebuilt. Do you have anyplace that does starter/alternator repair near where you live?
It's not showing a separate regulator in the parts diagram. The factory Mercruiser alternator is no longer made. But an aftermarket company called Sierra makes one. It is Sierra part number 18-5951. And the replacement alternator does have an internal voltage regulator.
Click this link below, this is the alternator.
Do you have any further questions on this issue?
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Black goes to ground. And the red would connect to the same stud on the starter motor that the main battery cable connects to.
Was there anything else?
As long as it physically fits you could try it. The biggest difference with these things is the actual shape of it, and how it bolts to the engine block and brackets, and how the belt lines up. That's why I would see if you have an electrical motor repair shop where you live, if you do just have your alternator rebuilt, it would cost about 1/2 of a new one. Does that make sense?
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Okay, good luck!
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