PAC OSGMLAN44 Radio Replacement OS-4 Harness for GM Vehicles Equipped with Navigation For use with the os-4 in 2012+ 29-bit gm LAN vehicles equipped with a factory navigation radio This harness does not make the os-4 compatible with the Camaro, Cruze, equinox, sonic or any other gm that has the new data system When using this harness with the os-4, the factory satellite radio will not be retained. These vehicles are equipped with a satellite tuner that is internal to the factory radio. Once you remove the factory radio the satellite tuner is also removed