Walbro ecu plugs
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Thread: Walbro ecu plugs

  1. #1
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    Walbro ecu plugs

    Connected to my ecu the other day with tune ecu and stinger wolfs cables. Works really well but i have a question. What is the purpose of the smaller 2 pin plug? I understand on the sagem 900cc tornados it was to allow the ecu to be written too. My rs tornado didn't have it and i wrote maps to the ecu via tuneboy. I connected to the walbro only when the smaller plug wasn't bridged?? So what is its purpose? Is it for measuring the lambda probe?

  2. #2
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    AFAIK the small cable "bridge" has to be used ONLY if you want to WRITE to the ECU (i.e. flashing map) but is not required when you READ the ECU which would include fiddling with some of the adjustable parameters.

  3. #3
    More fun than a KLR650 lonegunman's Avatar
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    tyguy is correct. the 2-pin plug is for shorting when you want to write to the ECU. Think of it like a "safety key" - if you don't put in the key, you can't write to the ECU.

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  5. #4
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    I am interested in getting the Walbro ECU manual for cable connection.

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