Curt C27BR Wiring Harness Diagram A Curt C27BR wiring harness is a device allows you to connect the electrical system of your tow vehicle to the electrical system of your trailer. This is necessary in order to power the trailer’s lights, brakes, and other electrical components. The Curt C27BR wiring harness is a plug-and-play harness, which means that it is …
A Visual Library of Diagrams and Charts