CURT 57100 Dual Output Vehicle Side Trailer Wiring Harness Connectors for Select Dodge Vehicles, 7 Pin Trailer Wiring, 4 Pin Trailer Wiring, Integrated Backup Alarm hook a portable design to easily GH 1724 a portable design to easily switch between vehicle trailer combinations and a highly durable construction to outlast the elements forged steel spring bars 2" shank can be flipped to provide necessary drop or rise Hex castle nut allows for easy adjustment for different trailers Fits virtually all A frame trailers A CURT custom original equipment vehicle to trailer connector (sometimes called a T connector) is a simple It specifically offers a custom wiring option for certain models of Dodge