my son hooked up my jumper box backwards after a dead battery condition. I have gotten my trooper to start only a couple times after this. I did a lot of visual inspections relay testing etc. so I pulled this thing out of the garage and hasn't been started in over a year. I purchased a new battery and installed it and it started on the first crank. I drove it around for awhile shut it off and now I'm dead in the water again it wont start. does anyone have an idea whats going on here??????????????????