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Old 01-04-2021, 04:36 PM   #1
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Brand: Thor Motor Coach
State: Florida
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THOR #21725
Low DC Voltage at Fridge and Thermostat

Hi, I have a 2010 Thor Hurricane 30Q and have Low Voltage at Fridge and Thermostat (less than 7 VDC). I've checked all DC Fuses at the Converter/Charger and measure more than 12 VDC at all fuses. What should I check next to Diagnose Low DC Voltage problem? Converter/Charger is 30 Amp and original.

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Old 01-04-2021, 05:15 PM   #2
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Model: 2018 24.1 AXISSIXxSIX
State: Arizona
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I would type your exact thread title into Google and give that a try... Youtube videos are very instructive. I won't have to wait for a reply.

I'd do this because it broadens my chances. The fridge, thermostat, converter, fuse panel are not Thor products. They are common in all motorhomes, worldwide.
A worldwide response.
At 11 or 12 years old the only thing Thor on your motorhome is the wiring schematic and build parts placement.



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Old 01-04-2021, 05:25 PM   #3
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Model: ACE 27.1
State: Florida
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Well, one of those fuses you are measuring 12 VDC + at is for your Appliances. Sounds like you have a poor connection someplace between the DC distribution panel (fuses) and the appliances. Time to wire trace and check all connections.
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Old 01-04-2021, 06:25 PM   #4
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THOR #15553
you have a bad connection in the 12-volt control circuit. Should be easy to find starting at the fridge.
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