This Scosche car stereo wiring interface allows you to connect your aftermarket stereo with your car's factory radio harness. Utilizes standard wire color codes ensuring an easy install. See Fit Guide in images to verify that your vehicle is compatible. | Retain the use of your car's steering wheel controls and all safety and warning chimes with the Scosche radio harness kit and safely operate your radio while driving. | This factory radio replacement interface is designed to work with factory-amplified premium sound systems, ensuring a seamless integration with your existing car audio setup. Not designed for OnStar. OnStar function will be disabled. Not Compatible with Digital “Premium Bose” Systems (RPO codes: Y91/Y92/Z75) | The car stereo wiring interface kit includes a power adapter that provides a data-driven +12V accessory (R.A.P.) output and wiring harness for easy connection and installation. Ensuring a dependable and consistent power source, enhancing the sound quality and performance of your aftermarket radio. | Compatible with BUICK: LaCrosse 2005-06, Rainer 2004-07, Rendezvous 2001-07, Terrazza 2005-07, CADILLAC: Escalade/ESV/EXT 2003-06, CHEVROLET: Avalanche 2003-06, Blazer S-10 2003-05, Cavalier 2000-05, Classic 2004, Colorado 2004-12, Corvette 2005-13, Express Van 2003-07, Impala 2000-05, Malibu 2001-03, Monte Carlo 2000-05, S-10 2003-04 | Compatible with Silverado 1500-3500 2003-06, Silverado 1500-3500 2007 Classic, SSR 2004-06, Suburban 2003-06, Tahoe 2003-06, Trailblazer 2002-09, Uplander 2005-08, Venture 2002-05, GMC: Canyon 2004-12, Envoy 2002-09, Savana 2003-07, Sierra 1500-3500 2003-06, Sierra 1500-3500 2007 Classic, Sonoma 2002-04, Yukon 2003-06, Yukon XL 2003-06 | Compatible with HUMMER: H2 2003-07, H2T 2005-07, H3 2006-09, H3T 2006-09, ISUZU: Ascender 2003-08, I280/I350 2006-08, OLDSMOBILE: Alero 2002-04 (RDS Radio), Bravada 2002-04, Silhouette 2000-01, PONTIAC: Aztek 2001-05, Grand Am 2001-05, Montana 2002-04, Montana SV6 2005-06, Sunfire 2000-04, SATURN: Relay 2005-07 | Backed by Scosche's Limited Lifetime Warranty and Lifetime Tech Support.