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  1. #1
    Seasoned Camper
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    Battery drained in 2 weeks - help

    Stored my RLS337 2 weeks ago. Turned the battery disconnect to off. Went to fetch the RV for a trip this week... turned the battery disconnect switch to "on"... battery was dead. Had to back the truck up close enough to connect the 7-way...

    But anyone have any ideas how the battery was drained if the battery disconnect was thrown? I'm at a loss
    Cowboychincs
    2021 Grand Design Reflection 337 RLS
    2021 Ford F-350 6.7L Diesel Platinum
    Castle Rock, CO

  2. #2
    Paid my dues 😁 FT4NOW's Avatar
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    Lots of discussion on this. Long story short, it's not a true disconnect. Either add a real one or disconnect the cable. Use the search function and you can read all about what others have done.

    Sent from my SM-G950U using Tapatalk
    2023 Momentum 398M-R
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  3. #3
    Site Sponsor MarkRizRV's Avatar
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    I added one of these and have not had an issue since

    Click image for larger version. 

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    Mark
    Mark & Cindy, York, PA
    2018 Reflection 150 Series 230RL (White)
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  4. #4
    Site Sponsor Jerryr's Avatar
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    Yep, the propane sensor, radio memory etc are still connected when you use the factory disconnect

    Here’s a picture of my battery cut off switch installed in my 337RLS. It’s installed on the positive side of the battery.

    Jerry & Linda
    Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
    2017 Reflection 337RLS, Build Date 01/2017, Titan Disk Brakes, Goodyear G614s 235/85/16 G Rated tires
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  5. #5
    Site Sponsor Jerryr's Avatar
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    These are the parts I purchased from Amazon to install my new switch. Now I can leave the RV parked for months and when I get back the battery is still charged. Before it would drain in 10 days even with the factory disconnect removed.

    https://www.amazon.com/gp/product/B000MMC914/ switch

    https://www.amazon.com/gp/product/B07BXXNMBJ/ wires
    Last edited by Jerryr; 07-11-2021 at 06:26 PM.
    Jerry & Linda
    Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
    2017 Reflection 337RLS, Build Date 01/2017, Titan Disk Brakes, Goodyear G614s 235/85/16 G Rated tires
    2022 F-450 King Ranch Ultimate, 4,868 lb Payload, Bedrug Bedliner, Andersen Ultimate II Aluminum 5th wheel hitch
    http://visitedstatesmap.com/image/FLGANCSCsm.jpg

  6. #6
    Site Team Ynot4me2's Avatar
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    I went with this one and its working great. https://www.amazon.ca/dp/B07413JWLD/...ing=UTF8&psc=1 I do use the BlueSea in my boat.

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    Steph & Lise
    2019 F150 Lariat 2.7 EB
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  7. #7
    Rolling Along jjbbrewer's Avatar
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    Some units drain the battery with the disconnect off, others don't.

    I installed an ammeter in my Momentum & with the disconnect off, it draws <50mA, which is nothing.
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  8. #8
    Rolling Along jleonard's Avatar
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    Click image for larger version. 

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    I did this and it keeps the battery charged.
    Also use one on my trailer boat.
    Jay Leonard
    New Port Richey, Fl
    2022 Imagine 2600 RB, 2021 Ram 2500 CC Bighorn 6.7L Cummins

  9. #9
    Seasoned Camper
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    Quote Originally Posted by Jerryr View Post
    Yep, the propane sensor, radio memory etc are still connected when you use the factory disconnect

    Hereís a picture of my battery cut off switch installed in my 337RLS. Itís installed on the positive side of the battery.

    OK... just put in my battery cutoff switch... just about like you did, except I put it on top of the battery cover, back right hand corner, and I wired to the negative lead... went easy... hope it solves the mystery battery drain.... thanks for the pics and info... took only about 15 minutes to do... easy peasy....
    Cowboychincs
    2021 Grand Design Reflection 337 RLS
    2021 Ford F-350 6.7L Diesel Platinum
    Castle Rock, CO

  10. #10
    Site Team Ynot4me2's Avatar
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    Quote Originally Posted by jleonard View Post
    Click image for larger version. 

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    I did this and it keeps the battery charged.
    Also use one on my trailer boat.
    Which one did you get?

    Sent from my SM-P610 using Tapatalk
    Steph & Lise
    2019 F150 Lariat 2.7 EB
    2020 Imagine XLS 22MLE

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