Custom Dynamics Micro Bullet LED Front Turn Signal Adapter For Harley Plug and play adapter for Custom Dynamics Amber/White Micro Bullet LED Front Turn Signals, install in line with bike's factory wiring to allow for simple plug-in-play installation Features Built in converters shut the white running light off when the turn signal is activated to provide greater visibility to the amber turn signal Required for plug and play installation of parts 10081185 and 10081186 (sold separately)