Radio wiring adapter for GMC used to upgrade the factory radio to aftermarket stereo radio, ensure that the aftermarket radio can obtain a stable power supply from the vehicle's battery
Note: Not compatible with amp systems like Bose, Infinity, On-Star etc, just works with standard non premium amp factory systems
Radio harness compatible with GMC: 2003-2007 Sierra, 2004-2012 Canyon, 2007-2009 Envoy, 2002-2006 Envoy, 2003-2007 Savana Full Size Van, 2003-2006 Yukon / Yukon XL
Premium Material: Silverado radio wiring connector made of durable ABS plastic for long term use and high quality copper wires for great conductivity
Red ignition wire: Suitable for those vehicle's OEM radio harness without ignition wire; only need to connect one end of the Red Ignition Wire to the ACC wire that equipped with the aftermarket radio and the other end to the ACC harness position located behind the vehicle's ignition switch