1982 GMC Sierra C1500
1982 GMC Sierra C1500 Stereo Wiring Information Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray 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