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Red Wire: Connect the red wire to a source of 12 volts that is controlled by the ignition key. Use a test light or volt meter to locate a connection point at the fuse block. Black Wire: Connect the black wire to the frame of the vehicle. It is strongly recommended that the black wire be connected to a part of the vehicles frame, floorboard or sub structure to insure a good ground. It is Not advisable to connect the black wire to a factory provided ground wire. It is possible that many other elec