2003 GMC Yukon XL
2003 GMC Yukon XL Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Ground Wire: Black Radio Illumination Wire: Yellow Stereo Dimmer Wire: Yellow Stereo Power Antenna Trigger Wire: White Stereo Amp Trigger Wire: White Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire … Read more