PAC - Radio Replacement Interface for Select GM Vehicles without OnStar - Blue

Easily replace the factory radio in your vehicle with this Radio Replacement Interface for Select GM Vehicles without OnStar by PAC. The C2R-GM11 allows you to install an upgraded aftermarket radio while retaining the factory-installed amplified audio system and other factory features such as safety warning chimes. This radio replacement interface also provides data-controlled accessory outputs such as retained accessory power (RAP) and illumination.