it normally comes with one harness only...then for the vtec eng you will need to get the ignition harness...its not a must but without it the e manage will more likely just be like a vafc lor.... this harness you can buy ori or you can get the DIY type which is just a bunch of connecting wires
Anyone out there has any experience with the PWO (small v ecu)? The manual dun have the wiring diagram lar....