I have a charging system fail somewhere and need help. I got in it saterday and backed it out and it said low volts 10.x. Before I could make it to my shop a mile up the road it started cutting out i just thought bad batter. I load tested them both battaries are bad. Went got 2 new ones and went on a ride and an hour later same thing. Could it be a short on after market electonics, voltage regulator, or stator. Need help figureing it out.