Buzz/Humming sound when truck is off

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Kgibson1315

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I've got a 16 model ram 1500 I've been rebuilding from an accident. I've noticed a humming sound from the radio area when I open the door. Is this normal?
 

Pa.hemi.ram

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Mine does that here and there too?? Always wonderered? Mine kicks on and off lol
 
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Kgibson1315

Kgibson1315

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It doesn't run the battery down, so I guess it's not hurting anything.
 

Pa.hemi.ram

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Ooooohhhhh......what’s that?? Lol
 

Jarhead57

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My 13 did it and my 15 does it. Doesn't bother me anymore:)
 

crash68

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I think its the vacuum operated HVAC stuff moving.

There is no vacuum operated HVAC stuff under the dash. All the damper/door actuators are electronic.

I think I remember reading they go through a reset to zero, but is odd that it happens every time you open a door.
 

Pa.hemi.ram

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Mine just does it at random times? Not when doors are opened. Noise is behind my radio area. Buzzes for a sec or two lol...no idea what it is? Isn’t hurting anything, just curious? Lol gremlins?? Hahaha
 
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