Reese Brakeman® IV Brake Controller for Trailers with 1-4 Axles. Plug & Play Set-Up Super Simple install Made by Tekonsha.
Both still New in Box, ordered online got shipped late & bought the same set-up for trip. The Controller & Harness showed up when I got back.
Reese Trailer Brake Controller Custom Harness, Vehicle & Brake Control Ends, Compatible with Ford Econoline, Expedition, F‑250 Super Duty, F‑350 Super Duty, 450 Super Duty, F‑550 Super Duty : Ford : Lincoln : Mercury