What is causing an electrical wire to heat up on a JOHNE DEERE LT155 RIDING MOWER?

Question:I have a wire heating up and wanting to burn that is going to the alternator (stator) . It is a black wire with a diode on it I think. I went to the john deere dealer and they first gave me a stator because they said that might be problem. It wasnt because i put new stator on and still same result.. I took stator back..they checked old one and said it was good..rigged up some diode to put on it. I tried that and still wire wanting to burn up. I think maybe they give wrong diode? I have it figured out it can be only 2 things as all other wires have no shorts and this wire running from the stator is black, connects to a 4 prong plastic connector where it changes to red and goes to the solenoid, Is this wire suppose to be a hot wire where it connects to the plastic connector? I have photos of exactly what I am talking about if someone can help me I can send them the photos. It is in great detail taken with digital camera.

Answers:
Your solenoid or starter motor may be faulty. Take them to your dealer to be checked out.