2004 Pontiac GTO Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange/Black Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black/White Radio Illumination Wire: Brown/White Stereo Dimmer Wire: Brown Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker … Read more
2005 Pontiac GTO Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange/Black Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black/White Radio Illumination Wire: Brown/White Stereo Dimmer Wire: Brown Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker … Read more
2006 Pontiac GTO Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange/Black Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black/White Radio Illumination Wire: Brown/White Stereo Dimmer Wire: Brown Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker … Read more