Quote:
Originally Posted by Thoth1987
So the fact that it sounds inconsistent and weak is likely just it adjusting to what's actually in demand? And not that it's dying?
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If it gets louder (or seems to run faster) the more 12 volt items you turn on (increased demand for power) and it gets softer (seems to run slower) as you turn those 12 volt items off, then yes, that's the intended function and nothing's wrong. Think of it as "engine noise with your tow vehicle". Idling in a parking lot versus towing up a hill with the trailer at full weight behind you: There's a significant difference in how the "cooling fan behind the radiator" sounds......