According to Curt Mfd There was a last model year 2019 change made in the electrical wiring on the tail lights where you cannt use a plug in play tow harness from the 2018 model year
IVE GOT ONE!!!!! Its a 13 Focus Se with the cold weather package, Got it on a Special Order. Was Sooo Very Proud too See My Name Printed on the factory Window Sticker, below just where it stated that this was a special Order: