PAC Radio Replacement Interface for Select Cadillac, Chevrolet, and GMC Vehicles - Blue

Easily upgrade your factory radio while retaining your vehicle’s factory amplified audio system with this Radio Replacement Interface for Select Cadillac, Chevrolet, and GMC Vehicles by PAC. The ROEM-GM21A allows you to replace your factory-installed BOSE radio with an upgraded aftermarket radio without losing the functions of the amplified sound system. This radio replacement interface is plug-and-play for simple installation.