Custom Towed-Vehicle RV Wiring Harness (19-26 Sierra 1500)Find parts that fit my vehicle

Premium Towed-Vehicle Wiring. The custom towed-vehicle RV wiring harness is designed to seamlessly connect your towed vehicle’s lighting system to your RV’s electrical system through a standard 4-way flat trailer plug. This harness ensures that the vehicle’s taillights, brake lights, and turn signals operate synchronously with the RV, providing essential safety and signaling during towing.

Durable Construction. Crafted from thermoplastic rubber, this custom wiring harness features an integrated design with block diodes that prevent electrical interference and protect sensitive vehicle electronics. The robust materials and secure fittings help ensure long-lasting performance and resistance to environmental factors.

Effortless Installation. Featuring a plug-and-play setup, this harness requires no cutting or splicing, allowing for a straightforward installation process without the need for drilling or modification of the vehicle’s factory wiring.

Reliable Warranty and Application. Backed by a one-year limited warranty, the harness is manufactured for reliable use and compatibility. Specifically built to fit the 2019 through 2026 GMC Sierra 1500 models, ensuring a precise match and optimal functionality.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov