Which breaker are you turning off? Water heaters are usually on a breaker by itself. The fridge is usually on a circuit with the outlets and may be on the GFI circuit. If the converter is on the breaker your turning off/on then your hearing the cooling fan for the converter.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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