egative wires. Insert it into the door and secure it with screws. Do the same thing to the other door. The rear speakers are just as easy as the front ones. Find where the screws are and voila.The CD player should be installed next. First use a special removal tool to remove the factory head unit. Unplug the connecting harnesses behind the head unit and pull it completely out. Depending on the make and model of the car more harnesses may need to be purchased for an aftermarket player to work. Plug a harness and the antenna wire into the back of the CD player. Use a crimping tool and butt joints to connect the colored wires to each other on the harnesses. The colors must match each other to work. When buying subs the thing to keep in mind is trunk space and how soon you want to go deaf. There are three sizes that most people tend to buy; 8 inch, 10 inch, and 12 inch. Once you buy the subs you need a box with the recommended airspace for them. Use speaker wire and connect the wire terminals on the sub to the inside of the box. Drill screws into the box to hold the subs in it. I recommend screwing the box down to the car so its harder for someone to steal if they try.To install an amplifier you must have an amplifier kit. Amp kits depend on what the Amplifiers output power is. The power rating is measured in watts and will usually have several channels. For example, 200 x 2 means there is 100 watts going out of two channels. The amp kit usually contains power wire, ground wire, remote wire, speaker wire, RCA cables, connectors, wire loom, and fuses. Mount the amp on a solid surface in the rear trunk area of the vehicle. Usually the subwoofer box will work. Connect a remote turn on lead wire to your "power antenna" or "remote" lead from the head unit. Run the RCA cables, and remote lead, from the head unit, down the middle of the car, or down the opposite side of the car from the power cable. The remote lead will serve a...
