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I need to mount the fuel pumps under the baggage compartment floor and thus can’t just plug them into the engine harness.  I would like to simply make extension cables and not have to cut and splice the factory harness.  However, I have been through the engine documentation and parts catalog and I can’t find a spec anywhere for those connectors.  Does anyone know the brand and part number?

  • Re: 915iS fuel pump connector specs

    by » 5 months ago


    Look closely at the connectors with a magnifying glass.
    The part numbers are often molded into the plastic very small, and cryptic.
    Then search at MOUSER or DIGI-KEY for the part.
    Most of the Rotax Connectors are Automotive Connectors made by AMP or MOLEX.
    They are not standard off-the-shelf connectors, but they can be sourced with a little effort.

    For example, here are the part numbers for the HIC Connector parts.


    36677_2_Harness Interface Connectors.pdf (You do not have access to download this file.)

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.


  • Re: 915iS fuel pump connector specs

    by » 5 months ago


    If you can't find a part number on the connector, perhaps if you post a photo of it someone here will recognize it.


  • Re: 915iS fuel pump connector specs

    by » 5 months ago


    Bill Hertzel wrote:

    Look closely at the connectors with a magnifying glass.
    The part numbers are often molded into the plastic very small, and cryptic.
    Then search at MOUSER or DIGI-KEY for the part.
    Most of the Rotax Connectors are Automotive Connectors made by AMP or MOLEX.
    They are not standard off-the-shelf connectors, but they can be sourced with a little effort.

    For example, here are the part numbers for the HIC Connector parts.


    Thanks, Bill.  I didn’t see any numbers, but I didn’t have a magnifying glass and my old eyes don’t see like they used to.  I will look again.  Thanks for posting the HIC information as that may be useful in the future, but at least Rotax included the airframe side of the connector for those.  I wish they had done so for the fuel pump.


  • Re: 915iS fuel pump connector specs

    by » 5 months ago


    Eric Page wrote:

    If you can't find a part number on the connector, perhaps if you post a photo of it someone here will recognize it.

    I just happen to have photos handy as I took them to aid in my online search, but so far I have not found a match.  I’m hoping someone else may recognize these.  If anyone knows the pump manufacturer, that would work also as that has the other side of the connector.  I got the end-on picture a little too close for good focus (I was hoping the camera might pick up and magnify a part number), but the basic shape is still visible.  I will look at them again with a magnifier today, but they are rather small and not much room for part numbers.

    36687_2_IMG_6791.jpeg (You do not have access to download this file.)
    36687_2_IMG_6790.jpeg (You do not have access to download this file.)

  • Re: 915iS fuel pump connector specs

    by » 5 months ago


    I looked with a magnifier as Bill suggested and I could see that there were letters or numbers, but I could not make them out under my 5X soldering magnifier.  I guess it is time for a jewler’s loupe.

    I decided to try to take a well lit close-up with my iPad camera to see what that would do.  Amazingly, the high res image clearly shows Delphi with the number 24.  So, much closer now, but I have been searching the Delphi, now Aptiv, connectors and still haven’t found the exact one.  This one is keyed on the protruding snouts and I haven’t found one quite like it yet, but getting closer.

    36691_2_IMG_0457.jpeg (You do not have access to download this file.)

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