ok i am having a ECU issue i have a 2000 honda civic ex with a JDM GSR motor in there i am currently using a SI ECU which i believe is P2P. i bought a P72 ecu and i have a jumper harness which i used for a p28 to run on my civic. i am trying to see the best way to get the P72 to run on my car i tryed using the current jumper harness i have but one plug one fit in there please help me with my delima! !!!!!!!!