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Old 05-14-2020, 09:08 AM   #1
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markmiiler's Avatar
Tiffin Owners Club
Join Date: Feb 2015
Location: North Florida
Posts: 360
Dash ac problems

i have no power to dash ac . The fan and i dont hear the doors in dash moving like i did when it did work. I check all my fuses with no luck. Any suggestion?
2008 tuscany 4072
Mark & Shana Miller
2016 tiffin Pheaton
Go Gators
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Old 05-14-2020, 12:22 PM   #2
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National RV Owners Club
Freightliner Owners Club
Join Date: Jul 2015
Location: Conch Republic
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Not sure what you mean, please clarify as to what the fan doesn't do. If the fan doesn't blow and the doors don't flap then I think you are looking for a power issue. Get the owners and possibly service manuals and look for fuses and relays. They should be numbered. Remove fuses and test with a meter. For relays swap them for another identical one in the box and see what happens.

If the fan runs but the doors don't flap then you have a vacuum problem or a power to the relays problem. For gassers these are under the hood and beneath the dash and are either black rubber or thinner colored hard plastic. Start at one end and look for cracks or loose hoses.

There is more but check these obvious things first.
33' 2008 National Tropical on a Freightliner chassis.RVM#189
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dash, ems, problem, problems

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