Wiring evolution Discussion and ecu

to all sifu .. I am a new person here. I would like to ask about the car wiring.

- Can use the full set mitsubishi evo 5 wiring installed at mitsubishi evo 4?
- do i need to change the part?

I want to ask if I use the ecu evo 5 or 6 on the evo 4 ... I need to make the wiring from ecu pin 79 to where?
- To obd2 plug pin nombor how?
- Or where?

really need your help all