My buddies boy has a 07 sdi 600. the thing was running fine with only a minor hesitation at wot. back out of the throttle and all good. Then he lost headlite and tail light for a bit. everything cooled down and sled fired up and ran fine. Got the thing home and now no spark. When trying to start it used to beep a couple times and now it doesnt. Dash lights come on though. Battery at 11.4 v. Could this be a dess issue? take it back to the dealer? Where does one start? Any advice would be appreciated.