Back To MrTrailer AuTow Brake Controller for the Trailer is a controller that stays on your trailer. That’s how it’s done in Europe, the trailer controls it’s own brakes. In the US, most boat trailers do the same thing with hydraulic surge brakes. AuTow Brake is an automatic electric surge brake. I’ve been using and testing this brake for years. … Continue reading AuTow Brake Controller for the Trailer