I know i will need resisters to make it work and have some idea about doing it, but what wires need to go where for it to work?.. I wired my speed sensor from my ecu to my speed sensor wire on the body plug and had no luck.. Do i have to bring another wire in?:1zhelp:
http://www.autosoftsys.com/supra/tachcompare/
http://www.autosoftsys.com/supra/tachcompare/