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Old 03-28-2020, 10:40 PM   #1
Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 2
THOR #18465

I just bought a 2018 Vegas Thor, when I plug it in to charge the onboard batteries and leave it plugged in for a few days my engine battery dies I check to see if anything‘s on and nothing is on is anyone ever experienced this problem or can anyone assist

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Old 03-31-2020, 03:11 PM   #2
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Brand: Thor Motor Coach
State: Indiana
Posts: 38
THOR #1198
Hello! Should you require more assistance please contact us at 877-855-2867 and one of our Customer Service specialists will be able to assist you. We are open until 5:00 pm (ET). You could also email us at or LIVE Chat with us from the Owners tab at We will need your VIN.
Please keep in mind we are working with a limited team due to COVID19 which may cause some longer hold times and delayed responses.
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Old 03-31-2020, 06:15 PM   #3
Senior Member
Brand: Thor Motor Coach
Model: Windsport 27K
State: Florida
Posts: 264
THOR #2154
Hi and Welcome!

You may already be aware of it, but for most Thor RV's the Use/Store switch must be left in the "Use" position to have the batteries charging while plugged into power. If in "Store", the lights and everything in the RV will work while plugged in, but the batteries are not connected to the charger.

It might be something a little more serious, but I thought I would mention this just in case.
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