CURT 56389 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Buick Regal TourX straps 2020 - 2020 GMC Sierra

2020 - 2020 GMC Sierra 2500 8 Foot Bed without OEM Prep Pkg

WD / 400 lbs

Fits trailer hitches with a 2" x 2" receiver tube opening Couples to 2-5/16" couplers or lunette eyes with a 2-1/2" or 3" inside diameter Spring-loaded locking arm for secure coupling Constructed from solid

EX37 and QX50 (see application info to verify fitment)

CURT 56389 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Buick Regal TourX straps 2020 - 2020 GMC SierraIf your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness also called a T connector is a simple, plug and play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle specific, OEM compatible connectors to plug into the taillight assembly, eliminating the need for