I have an 96 accord as We all know it's the first year on obd2 system. .many of the plugs are still obd1 under the hood .im thinking of running the step down harness obd2to obd1 and using an chipped p28 ecu .if I use the current wiring harness from the car would I need to change any of the components ive read an few of the write ups come to find i had an few wrong parts I'll be getting soon .