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Where do the five grd wires (pictured is Lane A) on the Lane A and B cables connect?

I can't find these referenced in the installation manual.  I think they connect to the Grd posts on A and B ends of the Fusebox.

I'm installing a 912iS on a Tucano-R LSA .

thank you

Chris

10688_1_IMG_1336.jpeg (You do not have access to download this file.)
  • Re: Lane A and B Grd wires

    by » 5 weeks ago


    These go to the GND of Generator "A" on the left side of Fuse Box. Do not connect them to Airframe GND !

    Refer to Install manual.


  • Re: Lane A and B Grd wires

    by » 5 weeks ago


    there are also five wires on the Lane B cable - do these connect to the grd on the Lane B end of the fuse box?

    thank you for the response

    sf

    Chris


  • Re: Lane A and B Grd wires

    by » 5 weeks ago


    Please send a photo of those 5 wires so I can help you.

    One important thing. Do not confuse LANE A and LANE B with Generator A and Generator B of the Fuse Box. They are different things.

    LANE A and also LANE B (are both ECUs) and both are fed (in normal operation) by Generator A, also ignition, injection, sensors, all engine HW is connected to GEN A (Left Side). Therefore any GND cable of Engine HW shoud be connected to GND of GEN A.

    GEN B is tied to the Aircraft Loads (Lights, Avionics, etc.)

     


  • Re: Lane A and B Grd wires

    by » 5 weeks ago


    This attached file is a high resolution wiring of the 912iS

    Please follow the latest installation manual.

    Cheers

    41069_2_wiring diagram_912iS_V1_0_REV03_external_colored_Z08547 copy.pdf (You do not have access to download this file.)

  • Re: Lane A and B Grd wires

    by » 5 weeks ago


    I found the reference to these wires on page 55 in the 912iS install manual - couldn't see the forest for the trees

    As you said, they're all attached to the EMS ground on the fuse box - there's nine not ten wires

    Thank you both for the feedback and the wiring diagram

    sf

    Chris


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