PAC PAC - RadioPRO4 Car Audio Replacement Interface for Select Buick, Chevrolet, and GMC Vehicles - Blue

Maintain factory-installed features when upgrading your car's audio system with this PAC RadioPRO4 radio replacement interface. The programmed amplifier retention and SWC software enable seamless integration, while the wiring harness and installation instructions offer a simple setup. This PAC RadioPRO4 radio replacement interface includes data-controlled accessory outputs so you can install a navigation receiver easily.