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Wiring Question

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    #1

    Wiring Question

    I have a 90' CB7(OBD0). I just swapped the F with an H22a4 (OBD2). Does it matter if i use an OBD1 or OBD2 engine harness? I got an OBD1 ECU so should i use an OBD1 harness or use the OBD2 harness because of the Engine?
    Last edited by Juicy_J; 07-08-2009, 12:13 AM.
    Tags: None
    #2
    Originally posted by Juicy_J View Post
    I have a 90' CB7(OBD0). I just swapped the F with an H22a4 (OBD2). Does it matter if i use an OBD1 or OBD2 engine harness? I got an OBD1 ECU so should i use an OBD1 harness or use the OBD2 harness because of the Engine?
    If it is a 1990, then it is OBD1. Generally, people use the F22A harness on the H22A (whatever version, all the sensors line up fine) and then all you have to do is switch to the OBD1 injectors and wire in the usual 4 things - IAB, 2 VTEC, and knock. Since you have the OBD1 ECU, that would be what I recommend.
    1992 Prelude S w/swapped H22A

    Comment

      #3
      Really? I thought 1990 was obd0. and 91-93 was obd1.


      Follow me on IG: @jdm_inspired

      93 'til infinity

      Comment

        #4
        Originally posted by jdm_inspired View Post
        Really? I thought 1990 was obd0. and 91-93 was obd1.
        I think that was or is for civic's and integra's
        NEW CB



        old Darkcloud : 1990 Accord EX MRT

        new
        DARKCLOUD : 90 ACCORD EX MRT

        Comment

          #5
          OBD 1 Accords have an external coil. I have an intrernal, so my car is OBD 0.

          Comment

            #6
            Originally posted by Juicy_J View Post
            OBD 1 Accords have an external coil. I have an intrernal, so my car is OBD 0.
            Wrong. I had a 1990 Accord EX that was built in December of 1989, internal coil, and was OBD1. The CB7s were all OBD1.

            The external coils started coming in 1992 Accords, and had nothing to do with OBD1 vs OBD2.
            1992 Prelude S w/swapped H22A

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              #7
              Oh. thanks for the correction. I wasnt aware of that.

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