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Obd 2a ECT to Obd 2b car

Discussion in 'ECU's, Electronics, and Tuning' started by webink_EK9, Apr 8, 2004.

  1. webink_EK9

    webink_EK9 Senior Member

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    Anyone know how to wire this. I've got a 99 Civic HB and a 99 JDM ITR motor. The ECU for the ITR is 2a and my car is 2b. Do any of you know how to wire this?
     
  2. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    these guys have a conversion harness

    http://www.frogenginecontrols.com/Prices.html

    are you sure you want to run the JDM ITR ECU???

    im pretty sure it has an imobiliser in it (car wont start without a chipped key that is registered to the ECU)
    JDM ECUs have a 112mph speed limiter on them (you will reach speeds higher than this if you track the car)
     
  3. pissedoffsol

    pissedoffsol RETIRED

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    obd 1 conversion.
    chipped p28
    vafc or hondata

    :)
     
  4. vtecsir1

    vtecsir1 Senior Member

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    this would be best, i did tell you about hondata awile ago but you might not need it unless your real serious about tracking the car. a vafc and chipped p28 you could have tuned at a shop to give you good numbers but ofcourse the hondata is better overall.
     
  5. smooth_criminal

    smooth_criminal Senior Member

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    FYI the ITR 99 ECU is OBD2B not OBD2a. I know someone with a 99ITR in his 99 EX and just used a 00 SI harness and verything worked fine.
     
  6. vtecsir1

    vtecsir1 Senior Member

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    so why did your friend use the 00 si harness then? because it doesnt plug in.
     
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