2005 Buick Lacrosse Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Ground Wire: Black/White Stereo Dimmer Wire: Gray Stereo Amp Trigger Wire: Same as Power Antenna Trigger Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative … Read more
2006 Buick Lacrosse Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Ground Wire: Black/White Stereo Dimmer Wire: Gray Stereo Amp Trigger Wire: Same as Power Antenna Trigger Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative … Read more
2007 Buick Lacrosse Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Ground Wire: Black/White Stereo Dimmer Wire: Gray Stereo Amp Trigger Wire: Same as Power Antenna Trigger Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative … Read more