CURT 56389 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Buick Regal TourX straps EX37 and QX50 (see application

EX37 and QX50 (see application info to verify fitment)

tongue weight Compatible with weight distribution hitch (12

This provides the accuracy and consistency in our ball mounts that we pride ourselves on and ensures that you receive the exact towing product you expect from an industry-leading manufacturer

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

CURT 56389 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Buick Regal TourX straps EX37 and QX50 (see applicationIf 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