i got a used 1997 jdm h22a vtec engine and i have a 1995 prelude 2.3 non vtec si. on what i'm hearing from my friends is that i need a obd2 to obd1 wiring harness, coz the 1997 engine is obd 2 and the lude that i have is obd 1. are they right or is it reverse. plus i just order and obd1 p13 ecu will this ecu will work with my engine.. i will greatly appreciate who ever could help me... thank u

 

yes you will need the obd2 to obd1 harness and yes you can run the p13 ecu w/ the h22 only w/the harness since its obd1