Metra GMOS-05 GM Onstar Interface

Metra GMOS-05 GM Onstar Interface

The Axxess GMOS-05 by Metra Electronics uses an easy to install "Dock-N-Lock" interface to provide a seamless installation and outstanding results for aftermarket audio systems. Featuring a true plug-and-play interface, the GMOS-05 adapts any aftermarket head unit to the application of its vehicle. Its advanced technology permits retention of factory OnStar system features and factory front door warning chimes. The GMOS-05 supplies a switched 12-volt wire for aftermarket radio operation to ensure optimum performance.