Add An Amp Amplifier Car Stereo Adapter Interface for select Chevrolet GMC w/Bose

Product Details: Use this adapter to make your installation of an amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. For adding a bass amp for woofer/subwoofer. Adjustable gain output. Compatibility Notes:Only works with premium systems/Bose that have the factory external amp usually located in the back area of the vehicle.  Not compatible with standard systems.Vehicle has to have a factory subwoofer.Connection is done at the factory amplifier.  Works with the following vehicles:For vehicles equipped with a factory subwoofer and has a Bose/premium system with the factory external amp.Chevrolet:Colorado 2015-2018Silverado 1500 2014-2018Silverado 2500/3500 2015-2019Suburban 2015-2020Tahoe 2015-2020GMC:Canyon 2015-2018Sierra 1500 2014-2018Sierra 2500/3500 2015-2019Yukon / Yukon XL 2015-2020