Harley Davidson Harley Davidson Steetglide 2014-2015 Factory Stereo - Radio Antenna Adapter Plug $5.95$14.99 Harley Davidson Roadglide 2015 Factory Stereo to Radio Antenna Adapter Plug $5.95$14.99 Metra 70-9800 1998-2013 Harley Davidson Aftermarket Radio Stereo Harness $24.95$31.19