Specification?? This wire harness provides a connection for one set of RCA cables to provide an audio signal to an external amplifier, as well as an add-a-circuit with remote wire for the remote amplifier turn on wire. This wire, along with a set of RCA cables, is run to your aftermarket amplifier. All that??s left for you to do is connect the main power wire from your battery and ground. (Not included)Installation?? Remove your factory radio Unplug the factory wiring and plug in this wire harness Reinstall your factory radioFitment?? Buick Enclave 2013 – 2017 Buick Enclave 2008 – 2012 Buick Lucerne 2006 – 2011 Cadillac DTS 2006 – 2011 Cadillac Escalade, Escalade ESV, Escalade EXT 2012 – 2014 Cadillac Escalade, Escalade ESV, Escalade EXT 2007 – 2011 Cadillac SRX 2007 – 2009 Chevrolet Avalanche 2012 – 2013 Chevrolet Avalanche 2007 – 2011 Chevrolet Aveo 2009 – 2011 Chevrolet Aveo 2007 – 2008 Chevrolet Captiva Sport 2012 – 2015 Chevrolet Equinox 2007 – 2009 Chevrolet Express 2016 – 2019 Chevrolet Express 2013 – 2015 Chevrolet Express 2008 – 2012 Chevrolet Impala 2006 – 2013 Chevrolet Impala Limited 2014 – 2016 Chevrolet Monte Carlo 2006 – 2007 Chevrolet Silverado 2500HD, 3500HD, Chassis Cab 2014 – 2014 Chevrolet Silverado 2012 – 2013 Chevrolet Silverado 2007 – 2011 Chevrolet Suburban 2012 – 2014 Chevrolet Suburban 2007 – 2011 Chevrolet Tahoe 2012 – 2014 Chevrolet Tahoe 2007 – 2011 Chevrolet Traverse 2013 – 2017 Chevrolet Traverse 2009 – 2012 GMC Acadia 2013 – 2016 GMC Acadia 2007 – 2012 GMC Acadia Limited 2017 – 2017 GMC Savana 2016 – 2019 GMC Savana 2013 – 2015 GMC Savana 2008 – 2012 GMC Sierra 2500HD, 3500HD, Chassis Cab 2014 – 2014 GMC Sierra 2012 – 2013 GMC Sierra 2007 – 2011 GMC Yukon, Yukon XL 2012 – 2014 GMC Yukon, Yukon XL 2007 – 2011 GMC Yukon Denali, Yukon XL Denali 2012 – 2014 GMC Yukon Denali, Yukon XL Denali 2007 – 2011 Hummer H2 2008 – 2009 Pontiac G3 (sedan) 2007 – 2009 Pontiac Torrent 2007 – 2009 Pontiac Vibe 2009 – 2010 Saturn Outlook 2007 – 2010 Saturn VUE 2008 – 2010 Suzuki XL-7 2007 – 2009Package Including?? plug and play wire harness Add-A-Circuit fuse tap 3 amp fuse