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Question:

There are 3 wires in a box in the back of my alyernator, where do they attach. electrical marine boat engine?

I have a picture of them on my phone. 2 wires are green. The last wire is orange. I couldn't post the pic but I have a pic of it on my cell phone. Thank You, Chris 1986 350 boat engine

Answer:

There are to many alternators out there to say.Look to see who made it and contact them.Any number on it will be a help when you contact them.
I'll GUESS that they *may* be the two positive 12VAC outputs from alternator, and common negative (ground)which would be hooked up to a bridge rectifier, to give you 12VDC.
wiring diagram for Mando alternator: google.ca/imgres?imgurl

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