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Over the road hvac suddenly stopped

It was working great in both heating and cooling mode then after stopping for the night i went to turn it on and got nothing no fan nothing, I checked all of the fuses that I could find and they are all good. New to me 2007 allure 470

Re: Over the road hvac suddenly stopped

Reply #1 –
Found the issue. In the compartment under the drivers seat one of the spade connectors had come loose
 

Re: Over the road hvac suddenly stopped

Reply #2 –
Quote from: adam peterson –
It was working great in both heating and cooling mode then after stopping for the night i went to turn it on and got nothing no fan nothing, I checked all of the fuses that I could find and they are all good. New to me 2007 allure 470

Check the thermostat settings and power, then inspect the HVAC control board and relays—sometimes a failed control module or loose wire can cause a total shutdown even if fuses are good.