Ahh, you are pulling a trailer behind your Precept, not a car. I was speaking of a car brake assist tool.
2015 Jayco Greyhawk 31FS-"Scamper"
2015 Subaru Forester 2.5i Prem. 6 Spd
Blue Ox Aventa LX Tow Bar
2014 Jayco Jay Feather X23B-"Glampy"(Sold)
DW, DS, DDx2, and Bandit & Fletcher