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Zac, thanks for replying, you seen like you are very knowledgeable about this problem with my 4240, well I have all the wires attached correctly, when I start the tractor the volt meter is showing the correct charge like it always does, but I'm having a issue with the alternator getting hot and...

Thank you sir !!

Batteries have been holding up, no problems with battery drain ?

Just out of curiosity, what terminal does the exciter wire go on ? 1 or 2 ? The exciter wire is hot with the key on, the other wire is hot at all times, just like the wire that attaches to the terminal on the back of the alternator..

Yeah I agree, it's a internal regulator. But to have two in a row. It was putting out around 13.8 volts.

I have a John Deere 4240, the alternator stopped charging, I relaced the alternator, started up the tractor, alternator was charging normal, then it got hot and began smoking. Took the alternator back and got a replacement, by the way it is a Delco alternator, the replacement alternator would...