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Thread: Tank level lights not working on 379fl

  1. #1

    Tank level lights not working on 379fl

    My black and grey water and battery level lights do not work. I have checked fuses. Any answers?

  2. #2
    Manufacturer
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    Quote Originally Posted by [email protected] View Post
    My black and grey water and battery level lights do not work. I have checked fuses. Any answers?
    Hi @[email protected],

    Check the in-line fuse located behind the monitor panel. If you need further assistance, please contact your dealer or our Customer Support team directly at (574) 825-9769.

    Best regards,
    ~ Janice
    Mailing & shipping address: Grand Design RV, Attn: Customer Support, 13868 CR 4, Bristol IN 46507
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  3. #3
    tgalley
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    Quote Originally Posted by [email protected] View Post
    My black and grey water and battery level lights do not work. I have checked fuses. Any answers?
    The level indicators are notoriously unreliable anyway (fresh water tank may be an exception). For a few hundred bucks one can install reliable outside the tank sensors, but it is not worth it.

  4. #4
    Thanks, i checked my fuses and all is good. still no lights. now on to the next step

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    Site Sponsor thompsons 369rl's Avatar
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    My galley grey tank level indicator on our Solitude 369RL reads 2/3 full even when empty. From 2/3 to full, it works fine. I've tried the usual sensor cleaning products with no success. How do I gain access to the sensor for that tank? Or is there something else I can try to fix the problem?
    Andy & Julie
    Gig Harbor, Wa
    2014 Solitude 369RL S/N 104
    2012 F350 SWR 4x4 CC 6.7 Diesel

  6. #6
    Site Sponsor Dave and Monica's Avatar
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    Has this always been the case or is it just a recent development?

    You could also check for loose connection at the monitor panel itself. It could be greasy build-up on the sensors...have you tried sanitizing with bleach?

    If you have to take the coroplast down to inspect the tank connections, GD customer service should be able to tell where the tank's located. I've thought about cutting the coroplast into sections as it's all one piece...tackle that if I ever have to open it up.

    Dave
    Dave and Monica - Gore Bay, Ontario
    Vitus the Hungarian Vizsla
    2014 Reflection 337 RLS #129
    2008 F250 V10 CC Lariat RWD

  7. #7
    Site Sponsor thompsons 369rl's Avatar
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    Quote Originally Posted by Dave and Monica View Post
    Has this always been the case or is it just a recent development?

    You could also check for loose connection at the monitor panel itself. It could be greasy build-up on the sensors...have you tried sanitizing with bleach?

    If you have to take the coroplast down to inspect the tank connections, GD customer service should be able to tell where the tank's located. I've thought about cutting the coroplast into sections as it's all one piece...tackle that if I ever have to open it up.

    Dave
    It never really worked quite right but it has gotten worse over time. Now it just stays on 2/3 unless the tank gets above the 2/3 level. I haven't tried bleach but I did try the sensor cleaning stuff using warm water, driving around then letting it sit for 24 hours as the directions said. Made no difference at all. Frustrating. I will pull the panel and check the connection. Thanks, Dave.
    Andy & Julie
    Gig Harbor, Wa
    2014 Solitude 369RL S/N 104
    2012 F350 SWR 4x4 CC 6.7 Diesel

  8. #8
    Senior Member redram's Avatar
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    Those sensors are something that you pay for but never work. They tell you its under warranty but you go to the dealer and they say you haven't cleaned them right. When you convince the that its a sensor problem they will tell you about having to tear up the hole bottom covering and pull all out and ask ARE YOU SURE YOU WANNA DO THIS. Don
    2014 Reflection 303//2013 Ram 2500 turbo diesel Spring, TEXAS

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    have you tried the geo method mine work a lot better since I did this
    John & Caren
    2014 Solitude 369RL #331
    2005 Dodge 3500 Quad Cab Cummins & manual 6 speed

  10. #10
    Site Sponsor thompsons 369rl's Avatar
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    Quote Originally Posted by longshot View Post
    have you tried the geo method mine work a lot better since I did this
    Oh yeah. I've heard of that. Water softener, detergent and bleach, right? I'll give it a try.

    Thanks
    Andy & Julie
    Gig Harbor, Wa
    2014 Solitude 369RL S/N 104
    2012 F350 SWR 4x4 CC 6.7 Diesel

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