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Old 09-27-2021, 01:53 PM   #21
Senior Member
Brand: Thor Motor Coach
Model: '17-Vegas 24.1
State: California
Posts: 2,247
THOR #13362
Originally Posted by View Post
Update. Plugged the trailer into shore power all day. Took it back to storage and check all the batteries, fully charged, still the Storage and Use Switch will not shut down all coach power. ��
The Solenoid mechanism is a commonly repaired item. It's an inexpensive part and a fairly simple DIY job.

Sounds like the Solenoid is stuck (fused) in the ON position.
There's alot of voltage running thru those contacts inside the solenoid switch.
So much so that the contact points get corroded.

If you're not hearing a solenoid "clunk" when you alternate the USE/Store switch ON to OFF...then it may be stuck in either the ON or OFF position.
In your case, it may be stuck ON.

'17 Vegas 24.1
Fallbrook, CA
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Old 09-27-2021, 03:08 PM   #22
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bevedfelker's Avatar
Brand: Thor Motor Coach
Model: 2015 Vegas 24.1
State: Pennsylvania
Posts: 1,468
THOR #2601
SmithGarnat -- has anyone with your model, year provided the information that you requested yet -- namely, where is the latching relay that the USE/STORE activates? One of the most pressing question asked on this forum always seems to be "Where is my ______?" (fill in the blank).

If you haven't located it yet, call customer service (877-855-2867) and ask them where the relay is for your year and model. I think many of the responses you've already gotten are correct -- the latching relay is not working. It's easy to change. Finding it? -- not so easy.
Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
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Old 09-28-2021, 11:30 PM   #23
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DogLovers's Avatar
Brand: Thor Motor Coach
Model: Thor Tuscany 36 MQ
State: Indiana
Posts: 939
THOR #6280
Hummm. Very perplexing issue.
Bill & Martha more than 46 years.
Traveling with Shih Tzu's Baily, Bella and Maltese Buster. Towing, Golf Cart, Harley or Polaris RZR. 3 of our darling Shih Tzu's passed away recently and I just can't take them off of here. RIP Baxter, Baili & sweet sweet Bella. Buster is our little rock.
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Old 10-08-2021, 01:29 AM   #24
Senior Member
Brand: Thor Motor Coach
Model: Miramar
State: California
Posts: 910
THOR #22927
Replaced latching relay located under the bed. System now works fine. Thanks for all the advice.
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