I would like to put a b16a obd0 into my 89 crx si. The b16 that I have does not have a complete wiring harness. Can I use the engine harness from my zc and will it clip into the sensors on my b16 or do I need to get a harness from a b18 integra engine ? By the way I have used the search but i am still unsure

 

use your stock mpfi si harness..Then add the vtec pressure switch,vtec solenoid,knock sensor,and 2nd o2 sensor wires into your harness,then pin those wires here http://www.ff-squad.com/tech/w...1.jpg

you can make life easier by just getting a vtec subharness

 

what he said

 

what about the large round plug on the b16a distributer where does that one go. I dont see anything like that on the si harness ?