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Thread: Need input from a Garmin G3x Owner w/ a 912 Engine

  1. #1
    Super Moderator desertdave's Avatar
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    Default Need input from a Garmin G3x Owner w/ a 912 Engine

    I am in the home stretch of my install of my G3x and need some input. What oil pressure sender are you using? The stock one has one lead and the G3x manual has 2 leads and a ground.

    Thanks,
    Dave
    Dave
    KitFox 6 Taildragger
    912 ULS
    IVO IFA Medium Prop

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    Super Moderator desertdave's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    I canít be the only person on the planet with a G3x, Rotax 912 combo or am I?
    Dave
    KitFox 6 Taildragger
    912 ULS
    IVO IFA Medium Prop

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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    You have an 912 ULS? I used the leads from the stock rotax one and connected it to GEA-24. If I recall garmin specs how you wire it depending on the part number of the sending unit. Seems like in the wiring examples they show both sending units. I though if you look on the sending unit for oil pressure it had the part number labeled? You then also have to select the correct sending unit in Garmin config to make sure your displaying correct oil pressure. They are off about 10psi if I recall.
    Last edited by Shadowrider; 11-29-2022 at 09:37 AM.
    Dustin Dickerson

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    Senior Member bbs428's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    Here is the one I installed in my 912ul.
    It's possible you might need a metric adapter. I did not in my case.

    Garmin G3X Oil Pressure 150 Psig 1/8-27 NPT Sensor Kit | Aircraft Spruce
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    patrick.hvac's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    Screenshot 2022-12-04 at 2.51.18 PM.jpg

    I was looking into this recently as well. There are a couple different ones. From what I can see they will both work provided they are wired correctly. I haven't powered it up yet so don't trust that diagram but I did write the wiring difference and the part numbers.
    🇨🇦CANADA
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    Super Moderator desertdave's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    So my sender has a red, green and black wire. My harness pins out from 17 and 18. Does the black wire from the sender just go to the ground?
    Dave
    KitFox 6 Taildragger
    912 ULS
    IVO IFA Medium Prop

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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    Quote Originally Posted by desertdave View Post
    So my sender has a red, green and black wire. My harness pins out from 17 and 18. Does the black wire from the sender just go to the ground?
    Hi Dave,

    Can you provide the part number for the Oil Pressure transducer you have installed on your aircraft?

    Thanks,

    Justin

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    Super Moderator desertdave's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    Quote Originally Posted by G3Xpert View Post
    Hi Dave,

    Can you provide the part number for the Oil Pressure transducer you have installed on your aircraft?

    Thanks,

    Justin

    494-30004-00
    Dave
    KitFox 6 Taildragger
    912 ULS
    IVO IFA Medium Prop

  9. #9
    Super Moderator desertdave's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    Nobody on this forum is using a Garmin oil pressure sender? Perhaps I'll just guess and hope the smoke doesn't leak out of the G3x. If it does leak out, how do you get the smoke back in?
    Last edited by desertdave; 12-18-2022 at 12:07 PM.
    Dave
    KitFox 6 Taildragger
    912 ULS
    IVO IFA Medium Prop

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    Super Moderator desertdave's Avatar
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    Default Re: Need input from a Garmin G3x Owner w/ a 912 Engine

    Update..... The Garmin oil pressure sender is made by Kavilco. SteinAir helped me out with the pin out.
    Dave
    KitFox 6 Taildragger
    912 ULS
    IVO IFA Medium Prop

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