So this just happened on my 2005 lariat 5.4, I already took out an relay and it stopped the buzzing. But now my radio won’t shut off, and ac won’t turn on. But my windows do go up and down. Any suggestions ? Maybe could be the purple wire I’ve read about. I just want to see if there’s anything else that can cause this problem, thanks and I will greatly appreciate the info, hope everyone’s safe as well.

 

Which relay did you take out? Did you put another one in? What purple wire? Your info is kind of vague to give you advice.

 

and where was the buzzing coming from?