2007 GMC Sierra 1500

2007 GMC Sierra 1500 Stereo Wiring Information Radio Battery Constant 12v+ Wire: Red/White Radio Accessory Switched 12v+ Wire: Dark Green Radio Ground Wire: Black Stereo Dimmer Wire: Yellow Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire … Read more

2008 GMC Sierra 1500

2008 GMC Sierra 1500 Stereo Wiring Information Radio Battery Constant 12v+ Wire: Red/White Radio Accessory Switched 12v+ Wire: Dark Green Radio Ground Wire: Black Stereo Dimmer Wire: Yellow Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire … Read more

2009 GMC Sierra 1500

2009 GMC Sierra 1500 Stereo Wiring Information Radio Battery Constant 12V+ Wire: Red/White Radio Accessory Switched 12V+ Wire: Dark Green Radio Ground Wire: Black Radio Dimmer Wire: Yellow Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire … Read more

2010 GMC Sierra 1500

2010 GMC Sierra 1500 Stereo Wiring Information Radio Battery Constant 12V+ Wire: Red/White Radio Accessory Switched 12V+ Wire: Dark Green Radio Ground Wire: Black Radio Dimmer Wire: Yellow Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire … Read more

2011 GMC Sierra 1500

2011 GMC Sierra 1500 Stereo Wiring Information Radio Battery Constant 12V+ Wire: Red/White Radio Accessory Switched 12V+ Wire: Dark Green Radio Ground Wire: Black Radio Dimmer Wire: Yellow Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire … Read more

2012 GMC Sierra 1500

2012 GMC Sierra 1500 Stereo Wiring Information Radio Battery Constant 12V+ Wire: Red/White Radio Accessory Switched 12V+ Wire: Dark Green Radio Ground Wire: Black Radio Dimmer Wire: Yellow Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire … Read more