1990 GMC Safari
1990 GMC Safari Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black/Light Black Radio Illumination Wire: Gray Stereo Dimmer Wire: Brown Stereo Power Antenna Trigger Wire: Pink Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive … Read more