1.Ensure Fit Compatible with 20162021 Chevy Colorado, 20152019 Chevy Silverado 1500 2500 3500, 20192020 Chevy Silverado 4500 HD 5500 HD 6500 HD, 20162020 Chevy Suburban Tahoe, 20162021 GMC Canyon, 20142018 GMC Sierra 1500, 20152019 GMC Sierra 2500HD 3500HD, 20162020 GMC Yukon Yukon XL. Input your make, model and trim level into the Garage to make sure this part fits your exact vehicle. 2.Installation is straightforward and requires no special tools. Replaces Part 84108373, 23145874 commonly found on popular Silverado 1500, Silverado 2500, Suburban, Tahoe, Canyon, Sierra 3500, Yukon models including years 14, 15, 16, 17, 18, 19, 20. The trailer brake controller module can be easily located at the dashboard on the left side of the steering wheel. 3.Manufactured from premium material for a long operating life and excellent performance. Complete quality control throughout the manufacturing process and tested to ensure trouble performance and durability. 4.OEM Fit, Quality, Finish This is not a genuine OEM part, but a direct replacement manufactured by AA Ignition that will look, fit, and function like the factory trailer brake controller. Additional hardware and software may be needed to connect the computer to your truck and activate the trailer brakes for the module to work.