I was at the tractor show/swap meet on friday driving up and down the swap meet rows and my gator started to shut itself down. Batt. went dead and no responce at the throtle. The next morn. I turned the key and it started right up, but I noticed the voltage reg./rectifier is very hot only after a few minutes. Anyone have the same problem? Also the voltage at the batt. does not go above 12.3v, even at full throtle. It is a 2010 620i 4x4 limited edtion.