This two-piece iDatalink combo kit allows you to install a new radio in select 1996-2013 Harley-Davidsons. iDatalink's HRN-SW-HD1 wiring interface works in conjunction with their Maestro ADS-MSW module to retain the use of your handlebar-mounted audio controls, including the Push-to-Talk and Squelch buttons (if present). ^^ Wiring adapter/module combo for Harley-Davidson motorcycles - Install a new radio in select 1996-2013 Harleys ^^ Works with a wide variety of aftermarket radios. ^^ Retains the use of your handlebar audio controls with select compatible car stereos ^^ Assigns a secondary "press and hold" radio function to each factory button