So I was helping my buddy yesterday do his cam break in and get ready for next weekend. We fired it and set his timing and went for it cam break in successfull. Well we went to shut it down and nothing. It just kept on running. I guess he had this issue last summer right after he put a new alternator in. He thpught it was his ign switch so he replaced it and never got the boat back in the water before deciding to build this nw motor.  I did the standard tests I.e check for power at the coil with the key on/off and had power only in the on position.  Then I fired it and did the same test and had power in both on and off positions. I'm guessing its got to be getting a current from the alt when running. Its a gm 3 wire alt. Anyone got a wireing diagram? I'm at work tonight and he's at home getting all antsy and already fried his petronics fucking around with it so any help would be appreciated before he does anything else.

This is what i did with my 3 wire, and it works great, dont know if it's the right thing to do, but i looked it up and called some experts, i hooked up one and 2 together, and the deal with the plug i ran over to my starter, and it charges great right at 14 volts!