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My Harmon Kardon Advanced audio in my 06 Ultra started to switch its self from FM to Aux and sometimes back and forth. I thought that it might be the right switch, but the radio toggles between modes even when I am not riding, just parked in the garage with the power on. Sometimes the unit just shuts its self off too. The cruise functions fine.
It does it randomly and frequently this year. This spring I replaced the inner fairing, disconecting all necessary connections under the fairing. When I was finished reconecting everything before remounting the outer fairing everything functioned fine until I took it out for the first ride this season, leading me to believe that it might be vibration related, but where?
Other threads on this site suggest that it is the headunit and not the switch. Does anyone have any insight into this? As of today I have not run diagnostics. Last fall out of curiosity I ran the diagnostics as listed under the HK sticky, but everything checked OK.
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