Kuryakyn 5421 Red Deluxe Panacea Taillight Complete plug-and-play LED rear taillight upgrade Taillight has run/turn/brake functions Taillight running mode: taillight is illuminated red Turn signal activated: taillight is illuminated red and a flashing amber arrow appears on the appropriate side of the taillight Brake activated: taillight gives a three-pulse flash and then illuminates bright red until brake is released