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Old 07-02-2018, 10:58 AM   #1
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Mystery Switch

On the wall to the right of my stovetop in my 1996 DOLPHIN (535) is an illuminated switch. I thought it was the Microwave/Water Heater switch but it doesn't seem to do anything. Also it is a full size 120 v. switch w/ 2 wires on each side.
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Old 07-02-2018, 11:08 AM   #2
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Assuming you have a diesel, could it be an engine block heater?
Gary and Kay & Chipper
2018 Thor Tuscany 38SQ
2019 Ford Ranger XLT Super Crew
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Old 07-02-2018, 11:19 AM   #3
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No Gas.
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Old 07-02-2018, 11:33 AM   #4
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It's possible the switch is for the electric heating element in your water heater.

I have a house type wall switch under our galley sink for running our hot water heater on 120vac, however it's not illuminated.

Then there's a small rocker switch on the outside cabinet just under the sink that's for running water heater on propane which illuminates when turned on.

Good luck finding it's purpose and safe travels....
Jim & SherrySeward

2000 Residency 3790 v10 w/tags 5 Star tune & Banks system Suzuki XL7 toad
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Old 07-04-2018, 09:23 AM   #5
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Just when I thought I knew next to nothing. I have a 96 Seabreeze limited. I have a switch like that. Mine is holding tank heaters. Good luck!
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Old 07-09-2018, 08:40 AM   #6
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Hello to all who answered. It turns out it is the H2O heater electric element switch. Thank you.
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