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Injector Connector Mixup

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  • Injector Connector Mixup

    Ok, so I have just got the 84T engine into my 87 and started hooking everything back up to it. However when I got to the injectors, I realized that I had forgot to label them when I pulled them off. The injector connectors all have one red and one green wire connecting them. How do I figure out which injector connector goes onto which injector?

    Thanks,
    -Mike
    "produce first.talk second."

  • #2
    The length of the wire leads will give you some indication, but they are batch firing anyway, so as long as you have them plugged in and firing you're "OK".

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    • #3
      I went to the bottom (or is it top for you guys?) ECU connector and used a multimeter to test resistance through each injector terminal on the harness. I started with the #1 terminal and looked for resistance from the #1 injector plug.

      This is probably easier on the L-series because the ECU is on the driver's side.

      Like Jason says, the computer doesn't really care, it's just that I do. :wink:
      Attached Files
      1976 280Z 2+2 Turbo
      '81 L28ET, '84 Turbo ECCS, '84-'85 rotors + Toyota 4x4 front calipers + 240SX rears, Z31 DXD Stage I clutch kit, Evo intercooler, Tokico lowering springs and HP blues
      "I drive an S30...your stock equipment is my future upgrade!"

      Comment


      • #4
        Hey thanks alot guys.

        I was wondering about that batch firing thing but I thought I would ask

        anyways, because it says to label them in my Haynes manual.
        "produce first.talk second."

        Comment


        • #5
          The Haynes manual often tells you to do things that you don't really need to do.

          I don't know that a real Nissan factory service manual is worth the cost, but it's something to consider.
          1976 280Z 2+2 Turbo
          '81 L28ET, '84 Turbo ECCS, '84-'85 rotors + Toyota 4x4 front calipers + 240SX rears, Z31 DXD Stage I clutch kit, Evo intercooler, Tokico lowering springs and HP blues
          "I drive an S30...your stock equipment is my future upgrade!"

          Comment


          • #6
            Free sounds good to me. carfiche.com

            Comment


            • #7
              Well, that is the best way to go!

              I have a 1976 FSM and a 1982 FSM and both of them are...um..."borrowed" from a friend.
              1976 280Z 2+2 Turbo
              '81 L28ET, '84 Turbo ECCS, '84-'85 rotors + Toyota 4x4 front calipers + 240SX rears, Z31 DXD Stage I clutch kit, Evo intercooler, Tokico lowering springs and HP blues
              "I drive an S30...your stock equipment is my future upgrade!"

              Comment

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