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WME

Toyota Advanced Member
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Posts posted by WME

  1. Yah it was an "interesting time". When things started we were running the AC, then went to a 1500w Milk Barn heater 24/7, then added the RV propane heater. As the temp dropped, duct tape and reflixtic became skirting, finally with arrival of - temps I stuck a 200w IR light bulb under the water tanks. That made a warm spot. A couple of wireless thermometers said the tanks were just a bit over freezing, while the rest was usually 25 degrees above outside temp. So the skirting worked. Still 25 degrees above -10 is a cold floor when you need a bathroom break at 0400 in the morning

    But much better that paying $50 a night at a hotel.

  2. 2 hours ago, Iflyfish said:

    Was going to winter in Ensenada/Asuncion Baja California, Mexico but had to pass. 

    So Casper spent the winter in the driveway. :{

     

    How about you?

    Iflyfishinmydriveway

    We did something cool/extremely stupid... Built a house during a pandemic with a screwed up supply chain. House was supposed to be done 1 Sept., moved in Dec 7. So 3 months in our Rv with - temps

  3. Volt/ohm meter time. This is the MOST IMPORTANT tool you can have in an older RV, Harbor Freight $7.

    The ac side of a refer is just a heater element, easily replaced. Check your with the ohm function. 

    Here is what one looks like...https://www.ebay.com/itm/265113822737?epid=1623559137&hash=item3dba03e611:g:vmEAAOSwhGxga5ej

     

    Converter information ...https://www.bestconverter.com/   

    They have upgrade kits and complete replacements

  4. You checked the fan and housing, BUT those are the most common areas of problems. Mice love to build nests there, also the cowl outside air inlet can plug up with leaves and crud.

    Next check and see if the dash control levers are moving the flaps they are connected to the full distance. I had a broken clip on a cable and the control flap was only moving about 1/2 of it's designed travel.

    Remember the AC was designed to cool a pickup cab, not a house. Many owners hang a curtain in the walk through to reduce the space the AC has to cool.

  5. Your basic wiring looks OK. This is a 30 min problem for someone who speaks Electron, over the internet small steps are needed

    The small red wire to the yellow plugs is the on/off signal wire to the isolator. Check the voltage according to my earlier post.

    The diagram I posted is for a 3 post isolator  it is grounded through the case. Your 4 post just adds a separate ground. Ground is Ground doesn't matter how it happened, just that it does.

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