yeah, but the OBD1 harness doesn't plug into the OBD2 ECU...
And if I'm not mistaken, the wiring for the civic's ECU connector
doesn't match the pinout for the OBD1 P72
And for the OBD1 ECU I believe there is also this?:
For the IAB you will need to move A20 to A17. Since you will be using the OBD2 engine harness and an OBD1 GS-R ECU you will need to cut the black wire at the IAB plug and give it a 12V switched source. You can get this from the yel/blk wire at the injectors or the IACV.
The reason this needs to be done is due to the fact that the OBD1 GS-R ECU uses a negative trigger to activate the IAB and the OBD2 GS-R ECU uses a positive trigger to activate the IAB. If you use the OBD2 GS-R engine harness with the OBD1 GS-R ECU the IAB will not work by just moving A20 to A17 (as with an OBD1 GS-R ECU and OBD1 GS-R engine harness).
http://hondaswap.com/swap-articles/o...n-civic-29116/
Although I can follow directions and make the wiring changes if I must..




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