subarurx yo Posted August 6, 2013 Share Posted August 6, 2013 I have a 03 wrx swap, with the body harness too, in swapping into my 87 rx. anyways I was looking at the ecu pinout and swa that there's a bunch of things like fuel sensors and such that my car doesn't have. Is there anything I would need to do to bypass any of that and is there any security interlocking the ecu that I would have to "fool"? Quote Link to comment Share on other sites More sharing options...
cal_look_zero Posted August 6, 2013 Share Posted August 6, 2013 I'm in the midst of doing the merge on my 97 OBS. I believe there's 6 wires related to the fuel system that are unused, along with a number of others like small light, drain valve, rear defogger, and etc.http://www.rs25.com/forums/f128/t141937-brydon-teaches-you-merge-harness.html 1 Quote Link to comment Share on other sites More sharing options...
subarurx yo Posted August 7, 2013 Author Share Posted August 7, 2013 ya I just dont want it to run crappy or not at all Quote Link to comment Share on other sites More sharing options...
subarurx yo Posted August 8, 2013 Author Share Posted August 8, 2013 My car is a 87 also, so no obd port, It would be nice to have one, I can't find one on the wrx harness, I'm not sure if I could still wire One in and have it work for the engine alone? Quote Link to comment Share on other sites More sharing options...
cal_look_zero Posted August 8, 2013 Share Posted August 8, 2013 My car is a 87 also, so no obd port, It would be nice to have one, I can't find one on the wrx harness, I'm not sure if I could still wire One in and have it work for the engine alone? You'll have to pin it out from the ECU to the plug. Would be a great idea if you ever plan to tune. I'm not using the one from my WRX harness since I spliced into the OBS one, I could send it to you for $10. Quote Link to comment Share on other sites More sharing options...
subarurx yo Posted August 8, 2013 Author Share Posted August 8, 2013 That's what I was thinking, ill probably check my local yard here for a plug since I don't have PayPal Quote Link to comment Share on other sites More sharing options...
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