Kuryakyn 2598 Motorcycle Accessory: Plug & Play Trailer Wiring with Relay Harness for 2014-19 Harley-Davidson FLHR/Police Motorcycles with 4-Wire Trailer

"Eliminate overloading stock lighting or accessory circuits." "Our relay harness utilizes inputs from the motorcycle to direct power from the battery to the appropriate trailer lighting circuit." "5 Wire Plus 1 or 4 Wire Plus 1: Our kits provide standard 5-wire output (run, brake, left turn, right turn, ground) or standard 4-wire output (run, left turn/brake, right turn/brake, ground) plus a bonus wire that can be connected as needed to provide fused 12v power to the trailer for compartment lights or keyless entry systems that are wired independently of the trailer''s essential lighting."