first off you will have to get a harness for you car or truck w/e...next you will have to take the trim panel off from you car normally its 6-12 or so bolts you have to take out....then you will see the bolts that are holding the old radio take them out...pull it out carefrully so you dont pull the wires out....next unhook the harness and cable for the radio....and for you rca's you will have to run them under the carpet or along the side's of your car making sure you keep all wires as far away as possible....any more ??'s let me knwo