It takes a lot of power to stop a moving trailer à especially with a load of heavy cargo inside! Play it safe when you tow and give your trailer brakes the control they need with a CURT trailer brake controller and brake control harness. Made in USA Wire colors match standard brake control harnesses Includes 24"" of 12 gauge wire for flexible installation Slit-loom sleeve keeps wires contained & protected | Curt Brake-Control Harness, Packaged Made in USA