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Thread: Kitfox trim sensor

  1. #1

    Join Date
    Aug 2019
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    Belgrade MT
    Posts
    23

    Default Kitfox trim sensor

    Has anyone wired the kitfox trim sensor to a GRT trying to figure out what wires I need to put 5v, ground, & the wire going to the GRT

    Thanks

    Sent from my SM-G988U1 using Tapatalk
    Last edited by SNOW JW; 11-18-2023 at 08:49 PM.

  2. #2
    patrick.hvac's Avatar
    Join Date
    Jul 2018
    Location
    Ottawa
    Posts
    106

    Default Re: Kitfox trim sensor

    Don't want to leave you hanging so i'll try to help.
    Disclosure, I have never wired a GRT.

    Most trim position sensors are pinned out the same because they are just a 5K pot.
    Green - Analog Position
    Orange - 5vdc
    Blue - GND
    Like this one: https://www.steinair.com/wp-content/...structions.pdf

    GRT has a document on position sensor wiring here: https://grtavionics.com/media/Flap-Trim-Sensor-A5.pdf
    The picture you attached is using the analog from a dedicated EIS I think, which wont work for the stand alone sensor and no EIS (different situation)
    It does mention to use one it's analog inputs on B18-B21 in connector B. (the green wire).
    If you are using the GRT EIS with the Sport EX then you can just put the green into B18, run the blue to avionics gnd and grab the 4.8 from pin 25 on the EIS.
    If you are un-sure which wire is which, put an ohm meter on two of the wires and move the sensor arm to isolate the pot output.

    Hope that helps.
    🇨🇦CANADA
    Flying | SS7 | G3X | Edge 912

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