i CHANGED OUT THE SELECTOR DUE A BURNED OUT CONTACT. PRIOR DO DOING THAT I TURNED IT OVER TO ANOTHER RANGE AND IT WORKED FINE SO i REPLACED THE SELECTOR AND NOW IT WON'T LITE UP. FAN DRIVE ROLLS WORK BUT NO ARC. I NEED TO STAART LOOKING FOR THE PROBLEM AND DON'T WHERE TO START FIRST. I COULD USE SOME HELP ON THIS.