Oyviny Brake Control Wiring Adapter 3064-P for 2019-2021 GMC/Chevrolet + 4-Way Flat to 7-Way Round Blade and 4 Way Trailer Wiring Harness Adapter

Install your electric brake controller quickly and easily with this vehicle-specific wiring adapter; This adapter plugs into the custom connector on your vehicle's built-in brake control wiring harness, the harness is located underneath the dash, other end plugs into the back of your electric brake controller. Trailer Connector 4-Pole to 7-Pole and 4-Pole You will need this dual-output 4-way flat vehicle-side to 7-way RV blade trailer wiring adapter in case you have multiple trailers with different connectors. Great setup for adding 7 pin RV connection, and also allows the 4 pin to be retained.

• Silverado Brake Controller Harness: This silverado brake control adapter fits for GM vehicle, compatible with GMC Sierra /Chevrolet Silverado/Chevrolet Suburban/Chevrolet Tahoe/GMC Yukon 2019-2021(Factory Tow Package Required)
• Simple Plug&Play. This electric brake controller harness for gmc sierra does not require cutting or splicing for installation, simply plug one end of the adapter into your brake controller and then plug the custom connector end into the built-in port beneath your vehicle's dash
• Flexibility. Install electric brakes on your vehicle with this pre-wiring silverado brake control wiring, reduces possible short circuits and cross wiring of brake controls, 31 inches length provides flexible positioning
• This dual-output 4 pin to 4 pin and 7 pin trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, it features both 4 Pin and 7 Pin connector in case you have multiple trailers with different connectors
• 2 way trailer wiring adapter offers a trusted power supply for towing, works on most vehicle wiring component like turn signals, brakes light, taillights and auxiliary power(some splicing required)