CURT 56377 Vehicle Side Custom 4 Pin Trailer Wiring Harness, Select Mazda CX 5 weld Mounts to the #17501 TruTrack Truck:Silverado Mounts to the #17501 TruTrack hitch to help level the trailer and tow vehicle Cam springs build up pressure for integrated sway control Constructed from forged steel for optimum strength Protected by a highly durable carbide powder coat finish This A16 5th wheel hitch comes with a set of industry standard 5th wheel legs and 5th wheel rails to be mounted in your truck bed with a 5th wheel bracket kit (brackets sold separately) or maybe it's the next big jobsite CURT custom wiring is the ideal solution