this is what i understand.....
all 94-01 integs and 92-95 civics have the same plugs on the firewall. but all 96+ have ob2 plugs to the ecu. obd2 motors have different plugs for the distributor and injectors.
i put a b16a sir1 (converted to sir2 sensors) in my 93 hatch, used my cx harness, and hard wired the vtec solenoid and pressure sensor. im running a p28 ecu (92-95 si) so i didnt need to run the knock sensor