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Old 05-29-2018, 05:24 AM   #1
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Brand: Thor Motor Coach
Model: ace 29.3
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THOR #5403
batteries going dead

I put my switch to store and my batteries go dead. What is wrong
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Old 05-29-2018, 05:55 AM   #2
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THOR #2271
Have the batteries load tested. Thor uses cheap batteries. If the dealer had the unit on the lot for a long time, it could be them.
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Old 05-29-2018, 09:47 AM   #3
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THOR #5437
The store/use switch for the batteries does not really turn off the batteries 100%. One of the main items for battery usage while off is the propane detector, along with many more. The only true way to disconnect the batteries is a seperate disconnect switch at the battery location.
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Old 05-29-2018, 02:54 PM   #4
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THOR #2829
Quote:
Originally Posted by Jeff g View Post
I put my switch to store and my batteries go dead. What is wrong
Quote:
Originally Posted by be happy View Post
The store/use switch for the batteries does not really turn off the batteries 100%. One of the main items for battery usage while off is the propane detector, along with many more. The only true way to disconnect the batteries is a seperate disconnect switch at the battery location.
I may have one of the few (it seems) where STORE means store... Completely off - coach lasts 1-2 months easily... And chassis battery has no issue either.
Been the case on both of my Thor MHs (first one had both a coach and chassis STORE - and both were absolute.)

If you do have a draw while in STORE - choices are trying to chase and find it; use a charger (on board converter or external), or add a hard disconnect at the batteries.

Quite often the batteries in a new coach are 'abused' on the dealer lot - left to drain down multiple times. Very hard on FLA batteries...
As suggested - get the batteries load tested, and replace if needed.
Decide which method you want to use to address any draw - so you don't kill the new batteries in short order.
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Old 05-29-2018, 07:26 PM   #5
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Brand: Thor Motor Coach
Model: Hurricane 27K
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THOR #2544
You don't say what batteries you have, but when mine was new with the stock batteries, they would go dead in two weeks. Replaced them with interstates and now I go well over a month and not had them go dead.
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Old 05-29-2018, 10:39 PM   #6
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Model: Hurricane 29M
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THOR #3156
My stock batteries have been great. I believe most people complain about them being junk is because they never maintain them.

First thing check and maintain the water level. Qwik Fill battery filler is a must Mine was very low when I got it.

Install a battery disconnect at the battery.

My batteries don't lose any power while sitting.


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