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Thread: Momentum 28g

  1. #1
    Setting Up Camp
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    Momentum 28g

    Fuel gauge not working at panel inside rv. The exterior gauge at the fueling station does work when the switch beside it is pressed. Tank is full. Any ideas?

  2. #2
    Left The Driveway
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    Same issue with my 21G. I've spoken to a couple people at GD with no success. I even had an RV repair shop look at it and they came up empty.

  3. #3
    Site Sponsor gbkims's Avatar
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    Quote Originally Posted by Wileycb View Post
    Same issue with my 21G. I've spoken to a couple people at GD with no success. I even had an RV repair shop look at it and they came up empty.
    A GD TSB about a missing wire was mentioned by BikerMike https://www.mygrandrv.com/forum/show...l=1#post286857
    Attached Thumbnails Attached Thumbnails Momentum G class fuel gauge  wiring TSB 19-001.pdf  
    - Gene

    Kim & Gene
    2015 Reflection 317RST
    2017 Ram 3500 CC LB 4x2 6.7 CTD AISIN 3.73 DRW Auto Level Rear Air, BD3, Prodigy P3, Aux Tank

  4. #4
    Left The Driveway
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    I'm lost, what is TSB 19-001? I read the provided forum link but still missing something.

  5. #5
    Site Sponsor gbkims's Avatar
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    Quote Originally Posted by Wileycb View Post
    I'm lost, what is TSB 19-001? I read the provided forum link but still missing something.
    I'd attached the TSB, maybe that doesn't show up for you.
    I'd call Grand Design and ask about it.

    2019 Grand Design Momentum Fuel Gauge Technical Service Bulletins

    TSB Number: TSB 19-001
    TSB Date: January 16, 2019
    Date Added to File: May 28, 2019
    Failing Component: Fuel System, Other:Storage:Fuel Gauge System
    Summary: The fuel gauges may be wired incorrectly. As a result, the interior fuel gauge does not function properly
    Last edited by gbkims; 05-13-2020 at 09:17 AM.
    - Gene

    Kim & Gene
    2015 Reflection 317RST
    2017 Ram 3500 CC LB 4x2 6.7 CTD AISIN 3.73 DRW Auto Level Rear Air, BD3, Prodigy P3, Aux Tank

  6. #6
    Left The Driveway
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    Quote Originally Posted by gbkims View Post
    I'd attached the TSB, maybe that doesn't show up for you.
    I'd call Grand Design and ask about it.
    Thanks for the info, finally got a hold of someone at GD that assisted. Prior to having the TSB info they all acted lost. Now I just need to make an appt with my local RV repair shop and they will fix it.

    Greatly appreciate the assistance.

    Brent
    Brent Wiley
    2020 Ram 2500 6.7L Diesel
    2019 Grand Design 21G
    US Army (Ret)

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