B18A1 into 90 civic DX

[kndmoto]

can any one help me with my wiring? I need to go from obd1 to obd0 or vice versa i also need to know should i use the original ECU or the one that goes to the engine i also need to go from dpfi to mpfi. should i use the engine harnes from my B18A1 or the one that was on the original engine?Anyone please help?

 

[4drcivicb18a]

What year and kind of car do you have?Is it a dx lx std si? Whats the year of your motor? Then i can help