What I have is a used "Harley Plug and Play Trailer Wiring Harness" model # 10-7672a from "The USA Trailer Store". It is not really used but I had installed it on my 2012 FLTRU for several hours while trying to figure out my bikes wiring. I wound up taking it off and reinstalling my Kuryakyn harness which I finally figured out how to wire.
There is NOTHING wrong with this harness!!! It is BRAND NEW and has been installed on my bike for several hours ONLY. I bought it because I thought my Kuryakyn harness was faulty as I could not get it to work. In the end the Kuryakyn harness was fine and it was operator error.

This wiring harness is for '97-2013 Harleys (see the link below for full description)

https://theusatrailerstore.com/plug-play-trailer-wiring-harness-for-97-13-harley-davidson-motorcycles/

$30 firm plus shipping from Tampa, FL.
PM me for more details and questions