The dash board indicator lights of recent Harley models, that are HD-LAN equipped, can appear allergic to DF (dual function) turn signals. That means they start to blink like mad - or like good ole Santa's Xmas tree.

To avoid any problems indicatorlightwise, there's the Kellermann i.BOS module. You need one i.BOS per pair of turn signals (on the rear end, not per side!), the five wires are connected to the turn signals, the brakelight and ground. The device itself can be bolted anywhere by its mounting tag or due to its ingenious curved section tied to a frame tube.

Adapting the turn signal frequency remains a question of using either