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wiring nite mare solved

Discussion in 'HYBRID -> EG-EK / DC' started by smashed4thgen, Oct 12, 2002.

  1. smashed4thgen

    smashed4thgen Senior Member

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    i think this ecu is a pr4 and it should go right in with only a mpfi swap right? well if anyone can help me out with the mpfi it would be great thanks for all the help(some one before told me that a 93 integra special edition was obd1 but the numbers on the ecu read 37820-PR4-A11 am i correct in saying that its obd0? thanks
    mike
     
  2. stpracer

    stpracer Senior Member

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    Check the reference area:
    http://www.hondaswap.com/reference/index.php?mode=ecu
    It gives you what you're looking for. :eek:
     
  3. smashed4thgen

    smashed4thgen Senior Member

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    actualy under closer inspection iam fucked because its realy obd1 and not obd0 like that says
     
  4. pissedoffsol

    pissedoffsol RETIRED

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  5. smashed4thgen

    smashed4thgen Senior Member

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    its obd1 but the ecu says its a pr3 and fron what iam told by everyone pr4 is 90-91 ls ecu but the ecu came out of a 93 integra special edition.. thanks iam rebuilding the motor soon but id like to solve my wiring problems
    thanks
    mike
     
  6. pissedoffsol

    pissedoffsol RETIRED

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    ls/gs/se/rs are ALL The same b18b or b18a depening on year and obd for the 2nd and 3rd gen teg's

    what everyone is telling you is wrong

    pr3 is the b16a SiR 1 ecu obd 0
    i think the p74 may be what you are after... but you never mad that clear... obd 1 you want to be, correct?

    what motor again?
    if you are dropping an obd 0 motor into an obd 0 car, and want to run an obd 1 ecu, run either a p75 for non vtec or a p28/p30 for vtec.

    if you want to run obd 0 across the board, get the one for the motor you have... the correct one.
     
  7. smashed4thgen

    smashed4thgen Senior Member

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    no its a p3 integra witch is obd1.. the ecu that came in the car is a pr4 and this board and many others say its a obd0 ecu.. but after looking at the pi connectors its realy a obd1 ecu...so my problem is simple i need to make a obd0-dpfi to obd1-mpfi conversion harness is there any place i can either buy one or learn to build one... thanks
    mike
     
  8. smashed4thgen

    smashed4thgen Senior Member

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    ohh yeah 93 integra special edition (the car i got for the engine )has a b18a1
     
  9. bte15

    bte15 Senior Member

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    i have that same ecu pr3 odb1
     
  10. smashed4thgen

    smashed4thgen Senior Member

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    no i dont have a pr3 i have a pr4 and i realy need to get a conversion harness if any one can give it a hook up or tell me how to wire one myself thanks for your help// my problem was everyone was telling me the pr4 is obd0 but when i got to looking at the ecu its realy obd1 so this complicates everything so i realy need to find a harness thanks
     
  11. smashed4thgen

    smashed4thgen Senior Member

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  12. pissedoffsol

    pissedoffsol RETIRED

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    what motor and what car again?
     
  13. AllMotorMonster

    AllMotorMonster Senior Member

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    There are 2 versions of the PR4.

    1 is from 90-91, the other is 92-93.

    It sounds like you got a 92-93 version (OBD1), when you need a 90-91 version (OBD0).

    Just go buy or trade for a OBD0 version.
     
  14. smashed4thgen

    smashed4thgen Senior Member

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    dose anyone want to trade me also injectors and the dizzy thanks
     
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