Check the listing for details. CURT 51500 Electric Trailer Brake Controller Wiring Kit. Condition: New. Listed at 50.32 USD. SIMPLE TO INSTALL. This universal brake controller wiring kit allows trailer brake controller installation on vehicles not equipped with factory tow package wiring. It comes with blunt-cut wires and terminals to splice into your vehicle's existing wiring. RELIABLE POWER. This brake controller wiring harness is constructed with quality 10-gauge wires to ensure consistent power between your trailer brake controller, vehicle and electric trailer brakes. UNIVERSAL. This brake controller wiring kit is made for universal application, allowing you to splice your CURT brake controller into a variety of vehicles (brake controller not included). VERSATILE USE. This trailer brake controller wiring is compatible with any CURT trailer brake controller equipped with a quick plug connector.