push start egniton

im looking for a place or someone who can tell me how to setup my car for push start ignition i did this on a mr2 and id like to do the same for my fiero. id like to find a setup that doesnt have me rigging up wires and haveing to cut into my ignition i have heard they make a setup that plugs into the harness but i cant seem to find it i also am looking to do some minor exterior mods nothing rediclous like huge wings and bull@#$ just trying to get ideas let me know if anyone has done the the push button setup or can direct me to a good site to purchase a setup like this.