1986 Mercury Grand Marquis
1986 Mercury Grand Marquis Stereo Wiring Information Radio Battery Constant 12v+ Wire: Green/Yellow Radio Accessory Switched 12v+ Wire: Yellow/Black Radio Ground Wire: Chassis Left Front Speaker Positive Wire (+): Orange/Green Left Front Speaker Negative Wire (-): Black/White Right Front Speaker Positive Wire (+): White/Green Right Front Speaker Negative Wire (-): Black/White Left Rear Speaker Positive … Read more