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Old 06-10-2015, 03:52 PM   #1
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Thor Palazzo 2015

Can someone tell me what the switch with red light is on the bottom driver's side of the master bed? There is no writing on it and I can't find it in any of the 20 manuals I got with the RV. Thank you!

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Old 06-10-2015, 04:02 PM   #2
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It's probably the block heater for the engine.

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Old 06-10-2015, 04:21 PM   #3
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I have the Thor Astoria with the same light/switch and it does goto the block heater.
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Old 06-13-2015, 04:15 PM   #4
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It is the engine's block heater switch. On my model it is on the wall between the rear closet and the bed. What happens with a lot of traffic is it will be knocked and end up on. You may want to turn the breaker off for it and turn it on via the breaker switch. It sucks a lot of juice.
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Old 06-13-2015, 04:29 PM   #5
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Block heater?

Do those motorhomes get used in the winter?
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Old 06-13-2015, 04:48 PM   #6
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I'm always amazed at what 'features' are added to some of these units, yet no real information or instructions to what they are and what their use is for. I used electrical tape over my swith so that I wouldnt 'accidentally' turn on the block heater during the summer months. I also turned off the breaker, just in case. We were in some cold weater for a few days this past winter, tho we never had any issue during cranking the next morning. I suppose tho, if the unit has sat a while in cold temps, it may be of more need.
I also saw a post where someone had found a switch cover for it.
I really wonder why they locate it in such an odd, out of the way place. Why not right next to the breaker and fuse boxes??
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Old 06-14-2015, 08:49 AM   #7
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Actually, if you hit the switch while the coach is moving, the roof over the bed opens and the bed shoots anyone sleeping in it out the top, just like in the old James Bond movies. Great for getting teen agers up.

Yes, it is sad that Thor does not provide adequate documentation with each new expensive coach. One reason we jumped over to Winnebago. They provide over 20 pounds of documentation that makes it still impossible to locate what something does due to the huge amount printed words that protect me from doing something that I would never do anyways.

You would think that each manufacturer would hire someone to actually live in the coach and write up meaningful documentation that us RVers could use!

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