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Mx-3 BP swap HELP

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    Mx-3 BP swap HELP

    I have been searching for the answer but have not had any luck yet.



    The problem: Not getting fuel.


    Car: 1995 Mx-3 4cyl with existing body harness and fuse boxes.

    ENGINE Harness: 1993 Ford escort GT/BP engine harness

    ECU: I have a GTX ecu because this is also a turbo setup and I have the 93 escort GT ecu as well.

    The engine turns over great but the fuel pump wont turn on.

    Have tried jumping the fuel pump in the diagnostic box but to no avail.

    The pump is good.

    I am not getting the little relay mounted next to the ECU to click...........I believe the problem is somewhere here.


    All the info that I am finding is for the 92-93 mx-3, not the 94-95.

    Any and all help would be great.

    #2
    Run an acc wire to the black/pink? Wire on fuel pump relay

    Pretty sure its black/pink.

    Ur fuel pump probably isnt getting power.

    What engine was the car originally?

    Comment


      #3
      Originally posted by AusTravis View Post
      Run an acc wire to the black/pink? Wire on fuel pump relay

      Pretty sure its black/pink.

      Ur fuel pump probably isnt getting power.

      What engine was the car originally?
      Yep the black/pink wire with silver bands is not getting power. The original engine and "body/fuse-block" harness ran a DOHC 1.6 I4.

      Also, (sorry for my ignorance) what is an "acc" wire???

      Comment


        #4
        Accessory. Power with key on


        Sent from my iPhone5
        using Tapatalk


        Comment


          #5
          Cigerette lighter is easiest acc wire.

          Comment


            #6
            There are 2 wires that have to be swapped around on your your year do u know if that's been done. I have a 94 and mine I had to swap the black/white wire with the black/yellow wire after I did that mine started right up just great.

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              #7
              O interesting. This has not been done. Which wires are these??????????????????

              Comment


                #8
                This is the wiring diagram I made for a 94 MX to a BP:

                Comment


                  #9
                  O sweet thank you. Did you use a mx engine bay harness or a bp engine bay harness?

                  Comment


                    #10
                    MX-3 fuse harness with a BP engine harness.

                    Comment

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