Cycle Sounds Rock Box Wired for H-D Steering Controls Have the option to integrate the Rock Box directly with Harley-Davidson audio steering controls and operate it just like having a stock radio on your non-fairing based bike Integration can be done on most any H-D models by installing the lower switch housings with audio control switches that are available from your H-D dealer as an optional add-on Comes equipped with the extra wiring, as part of the Rock Box harness, for splicing into the H-D audio controller harness Also included is a complete wiring diagram outlining how to correctly route the Rock Box controller wires to the H-D steering control switches