all you did was top off batts and now won,t run? does it have a run tow switch? if so you sure you didn,t bump it.............start with basics grab and pull each cable to make surte they are good and tight and than have batteries tested and load tested...........this is if you don,t have any warranty if you do have warranty don,t touch it let them..........make sure your run tow switch is in run if you have the switch.......lift the seat its in the senter right up top..........................................