USB adapters make a whining noise?????
This one is too many for me... I have a 12V socket in my RV for recharging phones and stuff. Any USB adapter I plug into it makes a whining sound, which someone once told me was a bad capacitor. They ...
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Interestingly a few weeks ago I noticed an ever so slight squealing sound in the camper and eventually discovered it was the plug in USB charger shown at the bottom of this pic ...
I just replaced it with another and it's fine so I'm sure it was just the unit itself and had nothing to do with the trailer. Chinese factories are pumping these things out by the billions every year for pennies apiece so the fact this one happened to start squealing didn't surprise me at all.
I just replaced it with another and it's fine so I'm sure it was just the unit itself and had nothing to do with the trailer. Chinese factories are pumping these things out by the billions every year for pennies apiece so the fact this one happened to start squealing didn't surprise me at all.
