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Peak voltage testing - "Loaded" / "Unloaded" ????

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  • Peak voltage testing - "Loaded" / "Unloaded" ????

    luckily, I have never needed to concern myself with ignition problems;
    but if I did, I am baffled by the expression of the Peak Voltage test

    what does "Loaded" and "Unloaded" mean?

    in the case of the coils, all three values are described as "Loaded"

    with the pulser coil, the "Cranking" value is provided for both "Unloaded" AND "Loaded"
    but its the same value, anyway....




  • #2
    Loaded means the pulser coil is connected to the engine's wire harness. Unloaded means that it is not.

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    • #3

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      • #4
        I suspect the SM is faulty.

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        • #5
          Originally posted by boscoe99 View Post
          I suspect the SM is faulty.
          at this end, quite possibly the reader..

          where was that excerpt taken from? (quick work presenting it!)

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          • #6
            you always test a generated voltage loaded AND unloaded.
            I am testing a no spark on #1 on a 2001 ox66.
            pulser output loaded is .2 v.
            is the pulser bad?
            is the cdi shorted?
            need to order parts,customer is calling hourly.

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