Our 2-Plug units are designed for brake controls that have a wiring port built into the back of the unit. Simply plug the brake control end of the wiring harness into the back of the brake control and the vehicle end into the automobile s port. Brake controls that utilize the 2-plug style of wiring harness will be identified with the Plug & Play logo. Fits the following models: 2015-2017 Ford Expedition All Styles 2009-2018 Ford F-150 All Styles 2017-2018 Ford F-250 Super Duty All Styles 2017-2018 Ford F-350 Super Duty All Styles 2017-2018 Ford F-450 Super Duty All Styles 2017-2018 Ford F-550 Super Duty All Styles 2012-2016 Ford Flex w/Factory Tow Package 2012-2015 Lincoln MKT w/Factory Tow Package 2015-2017 Lincoln Navigator All Styles