Combo Kit for Aftermarket Radio Installation in Factory Radio Location. Black color radio kit. Designed specifically for the installation of Single or Double DIN radios. High-grade ABS plastic. Antenna adapter used to retain radio reception. Includes: 1. Radio kit 2. Wire harness 3. Antenna adapter. Important Compatibility Notes: Will require a separate connection of the red 12 volt ignition wire to the new radio wire harness since the factory radio harness doesn't have it. Some off-size usually off brand radios will require kit modification. Might not retain door chimes. Will not retain OnStar, steering audio controls, etc. This harness only works with regular factory audio systems- if the factory audio system is the premium system type like Bose, Boston Acoustics, etc. then this harness is not compatible. Compatible Vehicles: No Premium/Bose systems: Made for Chevrolet: 2015-2020 Suburban, 2015-2020 Tahoe; Made for GMC: 2015 2016 2017 2018 2019 2020 Yukon