That'd work, I'm not sure exactly what wires he's talking about, but you can either guy a 3 way toggle like he did, or use two momentary switches mounted on your steering wheel or something.
lol yeah i dont think i would do it. the tranny would needs more work then that to make it work rite. but i know of one guy on here that has the set up i would like in my car but he dosnt email me back