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Old 07-03-2022, 12:19 PM   #1
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12 volt fuse box location

Hello we recently bought a 1999 adventure 37G and some of the ceiling lights and the TVs arenít working.

I found the 12v breaker box above the microwave and below the fridge and one of the light breakers above the microwave keeps popping so Iím guessing thatís one of the problems? Is that the same as a fuse? I donít see instructions anywhere on what kind they are and how to replace them. (See pics)

Iím trying to locate the fuse box for the interior 12volt stuff and canít seem to find it. Iíve located the large fuse box under the dash but those donít seem like they are the ones. It has the chassis, solar panel etc (see pic).

The manual says there should be another fuse box located under the driver side (like a normal vehicle would) but I donít see anything there either.

Thank you so much for your help in advance, Iíve been driving myself crazy.
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Old 07-03-2022, 04:48 PM   #2
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Okay, it sounds like there are two problems, one being the 110VAC for the TV and another for 12VDC for the lights. That leaves me to recommend working one issue at a time to avoid lots of confusion!

On the breaker that pops up, that isjust a much smaller version of the breakers with hanldes we find in other spots and there are two reasons they will not stay pushed in.
One is that it is worn out but the other is becasue there is a drain or fault of some sort which makes it pop!

But on the good side, we do get good schematics for botht eh 12 voltand 110 AC on your RV, so how are you set for working on things?
Have a meter and know what to do with it or no experience?
We can send you to the info needed on where to find the drawings if that is something you feel ok with-- or we can do the looking and let you do the work!!!

Got a choice of which you want to work on first?

Looking at tyour pictures and this drawing:
https://www.winnebago.com/Files/File...999/129781.pdf

It looks like you have a 30amp RV, correct? But then we may need to sort if it is US or Canada version???
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Old 07-03-2022, 04:52 PM   #3
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Under the dash are the chassis fuses for the truck, not the “house.”

The push buttons are the fuses for your 12v items as marked. You don’t replace those you reset them with a push. You may find another push button 12v panel in one of your basement compartments. I don’t know what they did 20+ years ago.

The bottom photo is the 110v circuit breakers, just like in a house.

You likely have one or two GFCI outlets that can pop and interrupt power. They can be tricky to find. Usually in the kitchen and / or bathroom. Sometimes they hide them in a cupboard.
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Old 07-03-2022, 06:48 PM   #4
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I think you have found all the panels but maybe not spotting what you have found?

First snip is the "chassis/ auto group and it has a label that I've circeled to tell you what some do. If you have the automotive/chassis manual, it may have more info on exactly which fuse does what?
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Second is the coach or Rv items and that is where the inside light breakers are.

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Third is where the breakers for the 110 VAC for things like the outlets, microwave, Air cond. , etc. are.

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For the TV problem, if it is a power problem these last two drawings show the different breakers, depending if you have US or Canada version?
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