ASC Audio Car Stereo Radio Dash Install Kit， Wire Harness， and Antenna Adapter to Install a Double Din Radio for 2004 2005 2006 2007 2008 Pontiac Grand Prix w/ No Factory Premium Amp<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Double Din radio Dash kit， wire harness， and antenna adapter for installing an aftermarket radio- Dash kit works with a Double din Radio- Dash kit has a black finish.</li><li>Wire harness and antenna adapter plugs directly into the car- Wire harness only works with standard non-premium amp factory systems- Not compatible with amp systems like Bose， Infinity， etc.- Red ignition wire of the new radio has to be run separately from the vehicle radio harness (factory radio plug has no ignition power wire).</li><li>Will not retain some features like warning chimes， steering audio controls， Onstar， etc- extra adapters required.</li><li>Compatible with: 2004 2005 2006 2007 2008 Pontiac Grand Prix</li><li>Normal for off-sized radios to require kit modification.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41vwEt8Y1sL.jpg" noproxy>