A mounting bracket for a trailer wiring connector is described. The mounting bracket may attach the electrical connector to a cross bar of a towing vehicle. The mounting bracket may include an upper housing and a lower housing. The upper housing may include a mounting aperture and a plurality of slots. The lower housing may include a threaded aperture and a plurality of tabs. The tabs may be capable of engagement with the slots to secure the upper housing to the lower housing. The lower housing may also include a clamping fastener, such as a set screw, that may be capable of engagement with a threaded aperture, wherein the set screw may be capable of clamping engagement with the electrical connector. The mounting bracket may also include a cover capable of engagement with the electrical connector.