2003 Ultra is having an electrial problem I can't find. While riding, the bike just stops, no gauges or anything. Completely dead. After turning the switch on and off a few times and jiggling the bars, it will start up with all power restored. Have checked and cleaned the grounds on both ends and the other cables look good too. Anyone have any suggestions on what to check next? Being an intermittent problem, it's hard to track it down.