Easy to use. All the wires are there using standardized color codes, which made installing the head unit a breeze. Do not directly plug and play, Solder connections and heat shrink tubing for best results. Aftermarket amplifier integration harness For help you replacing original factory radio/ Auto Stereo CD Player or install an aftermarket radio using the existing factory wiring and connectors. **For Base amplified sound systems. Not Compatible with non-amplified factory systems. Radio power and speaker wiring harness connector with 2 RCA Plugs to eliminates cutting the OEM radio plug and helping to maintain your cars value. Car stereo CD player adapter replacement for Lincoln model: 2006 - 2008 Mark LT, 2003 - 2006 Navigator, 2003 - 2011 Town Car. Mercury model: 2003 - 2011 Grand Marquis, 2003 - 2006 Marauder, 2005 - 2007 Mariner, 2005 - 2008 Montego, 2004 - 2006 Monterey, 2006 - 2010 Mountaineer. Hyundai Sonata 2006-2008. Radio wire harness replacement for Ford: 2003 - 2010 Crown Victoria, 2006-2007 Escape, 2005 Excursion, 2004-2014 Expedition, 2004 - 2010 Explore, 2004 - 2010 F-150, 2005 - 2012 F-250 / F-350, 2005 - 2007 Five Hundred, 2005 - 2011 Focus, 2004 - 2007 Freestar, 2005 - 2007 Freestyle, 2004 - 2009 Mustang, 2008 - 2009 Taurus X, Edge 2007-2010. 2008-2009 Ford fusion SE.