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OBDII to an OBDI

Discussion in 'ECU's, Electronics, and Tuning' started by the new guy, Apr 21, 2004.

  1. the new guy

    the new guy Junior Member

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    i have a 92 civic hatch dx and i just bought an 1998 B18c1 and it's an OBDII and i need help on what i have to do to have it go into my car. is there a way where i could just convert it from OBDII to OBDI? please help i need it soon.
     
  2. turboB20hatch

    turboB20hatch Senior Member

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    get obd1 ecu and buy an obd2 to obd1 jumper harness
     
  3. the new guy

    the new guy Junior Member

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    so how about the obdii engine harness what should i do to that?
     
  4. BIGMAN

    BIGMAN Senior Member

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    just done the same swap. the engine harness that you got with the b18c1 motor should plug into your stock harness. then you will have to swap the iab solenoid wire from a negative source to a positive power source if you want to run OBD1 using a P28, P30 or P72 ecu. but if you have the P73 ecu for that motor you could get an OBD 1- OBD2 conversion harness, thats what i did
     
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