This T-Harness Makes the Installation Process Quick & Easy! GM Vehicle Specific Audio Integration T-Harness The Vehicle Specific Audio Integration T-Harness by PAC simplifies the installation of aftermarket audio equipment in 2019-2022 non-amplified GM vehicles with 28 and 28-pin radio connectors. This T-Harness provides all the necessary high-level inputs and speaker outputs needed for seamless audio integration. It is compatible with LOC-PRO Line Output Converters, Audiocontrol Amplifiers, and Audiocontrol DSPs. With its clearly labeled pigtail harnesses and instruction manual, this T-Harness makes the installation process quick and easy. 2019-2022 IOS/IOT/IOK Non-Amplified GM Vehicles 28 & 28 – Pin Radio Connectors Features: Simplifies audio equipment installation Provides all necessary high-level inputs and speaker outputs for aftermarket audio equipment Can be used with: LOC-PRO Line Output Converters, Audiocontrol Amplifiers, Audiocontrol DSPs Available 17′ extension for further flexibility (LPHEXT17) Specifications: Vehicle Compatibility: Chevrolet Silverado 2019 - 2021 (Fourth Gen) Weight: 0.90kg Inclusions: IOS/IOT/IOK Harness Clearly Labeled Pigtail Harnesses Power Extension Front Speakers Rear Speakers Simple Subwoofer Installation Instruction Manual