Quick Connection：529005 Connect Tailgate Light Bar Harness Compatible with 2019-2022 Chevrolet Silverado 1500 and GMC Sierra 1500, 2020- 2022 Silverado/Sierra 2500HD 3500HD, Chevy Silverado 3500 2200-2022, GMC Sierra 1500 2020-2022, GMC Sierra 2500 2020-2022 , GMC Sierra 3500 2020-2022. Avoid false detection：The easy to connect harness red wire tailgate light perfectly avoids blind spot false detection and trailer false detection in your truck. It plugs into the turn signal/brake light/backup light, avoids trailer detection, and allows for normal operation. Seamless and almost hidden installation：4 Pin Reverse Tailgate Light Bar Adapter fits tailgate light bar connector connects directly to the taillights while keeping the truck's original trailer connector open and intact. Plug & play：Red wire easily connects the rear fender light harness with Plug & Play feature to install on your truck without tools in seconds. Avoid trailer electrical system and keep your rear fender light bar working smoothly. Higher Quality：Pure copper 16AWG for reliable power with 4-pin connector and dust cover. Waterproof design and durable black split wire loom tubing resists abrasion and corrosion. 529005 Connect Tailgate Light Bar Harness Compatible with 2019-2022 Chevrolet Silverado 1500 and GMC Sierra 1500, 2020- 2022 Silverado/Sierra 2500HD 3500HD, Chevy Silverado 3500 2200-2022, GMC Sierra 1500 2020-2022, GMC Sierra 2500 2020-2022 , GMC Sierra 3500 2020-2022.