go to apexi web site and search for vafc intallation.and it will give you a site for you to down load the instruction that come with the vafc brand new.....but before you hook it up i would do some research on the vafc 1 because many more than one have complained bout vtec not kicking in like its suppose to.i hear you have to buy a resistor for the vtec wire output...not 100 percent sure but go have fun with it just dont blow up that motor .get professional tunning advice .