i have a wiring harness bought from monotech for my 91 civic. its a dp to mp harness with vtech wires. it includes the jumper from obd0 to obd1. i will include the chipped p28 ecu for $300. its all ready to plug in and use. all you have to do is depin two wires. the jumper harness is already wired in also. i had it hooked up to a d16z6. i can get pictures later this evening if needed. email with any question or post and i will reply as soon as i see them. thanks