- Replace your factory OEM radio with an aftermarket stereo effortlessly using this radio harness. - Not designed for use with amplified systems such as Bose, Infinity, or On-Star. Compatible with factory amplified systems when needed. - Note: Factory radio navigation systems can function without an external amplifier. - Red Ignition Wire: Some OEM radio harnesses may lack an ignition wire, resulting in your aftermarket stereo not powering on/off with the factory setup. If this is the case, run the red wire separately to obtain 12V power from the ignition. - Connect one end to the ACC wire of your aftermarket radio harness and the other to the ACC wiring spot behind the vehicle's ignition switch. - Compatibility: This harness fits a variety of Chevrolet, GMC, Pontiac, Buick, and Cadillac models, including: - Chevrolet: 2007-2013 Avalanche, Equinox; 2006-2016 Impala; 2007-2014 Silverado (1500, 2500, 3500); 2007-2014 Sierra (1500, 2500, 3500); and more. - GMC: 2007-2010 Acadia; 2006-2015 Savana (1500, 2500, 3500); 2007-2014 Yukon & Yukon XL. - Pontiac: 2007-2009 Torrent; 2007-2010 G5; 2006-2010 Solstice; 2009 Vibe. - Buick: 2008-2012 Enclave; 2006-2011 Lucerne; Cadillac models including DTS and Escalade (2007-2012). - Also suitable for Hummer H2 (2008-2009) and Suzuki XL-7 (2007-2009). - Practical Use Cases: 1. Upgrade to a modern stereo with Bluetooth capabilities for enhanced listening while ensuring seamless installation with this harness. 2. Replace a malfunctioning factory radio in a 2008 Chevy Tahoe, avoiding costly dealer installations while retaining OEM features. 3. Customize the audio experience in a 2012 GMC Acadia with an aftermarket system tailored to your preferences. - Functionality: This harness provides a simple and effective solution for connecting aftermarket stereos while maintaining compatibility with select factory systems. Its robust design ensures consistent performance and ease of installation.