i just had my dealer install a hogtunes amp & speakers on my 2015 rgs. now i can hear the radio at hiway speeds. they also flashed the radio. on my first ride after picking up bike the radio worked great for about 100 miles. i stopped for a coffee break , & when i started bike ,no radio. all that displays on the screen is the h-d badge & the time!!!! itried turning ignition off & then restart, samething happens. did this a few times -no luck, i finally rode home. any answers!!