DescriptionFacilitates replacement of a factory radio while retaining all factory safety warning chimes and audible turn signal indicators. Compatible with amplified and non-amplified audio systems.Features: Retains the vehicles accessory power (R.A.P.) as well as the 12V output Keeps the vehicles door chimes and audible turn signal indication Digital amplifier turn-on Steering wheel control output Allows for the use of rear seat controls Factory Rear Seat Entertainment LCD/IR turn on Compatibility List: Chevrolet: 2007-2013 Avalanche 2007-2008 Equinox 2008-2013 Express 2007-2012 Impala 2006-2007 Monte Carlo 2007-2013 Silverado (Non Classic) 2007-2013 Suburban 2007-2013 Tahoe 2009-2014 Traverse GMC: 2007-2014 Acadia 2008-2014 Savana 2007-2013 Sierra (Non Classic) 2007-2013 Yukon (Denali) Cadillac: 2006-2011 DTS 2007-2013 Escalade 2007-2009 SRX Buick: 2008-2014 Enclave 2006-2011 Lucerne Hummer: 2008-2009 H2 Pontiac: 2007-2009 Torrent Saturn: 2007-2009 Outlook 2008-2009 Vue Connections: Yellow - 12V Constant Red - 12V Accessory Black - Ground Orange - Dash Light Dimmer/Illumination Green - Left Rear Speaker (+) Green with Black Stripe - Left Rear Speaker (-) White - Left Front Speaker (+) White with Black Stripe - Left Front Speaker (-) Purple - Right Rear Speaker (+) Purple with Black Stripe - Right Rear Speaker (-) Gray - Right Front Speaker (+) Gray with Black Stripe - Right Front Speaker (-)