I have a buzzing sound from under the dash of my truck??

If I turn on the direction, or the 4 ways, or step on the brake it stops??

But if the head lights are on or off itm still buzzes?

1998 F150 Triton V8 4X4

Thanks Guys

 

Must have been some ice on something??

We have had 30" of snow and I have been out in it most of the time, helping some friends and stuff.

After the sun came out today and it sat for a while it working just fine??

Thanks any way guys!

 

if the buzzing is coming from your speakers (low hertz buzzing can throw its voice) you could have a bad radio ground and the buzzing is engine noise (electric interference)

The test? Does the buzzing increase with RPM?

In this condition the buzzing goes away when you use other high drain electrics (lights)

Its a theory. Check it out.

 

Well it has gone away now?? I have never heard it before or after that one day??
But I did notice that my Lic Plate lights are not working any more?? And they were before this??

I am so confussed

I am going to get new Lic lights and see what happens?? Like I said I have been out driving in 30+ inches of snow and backed into some snow banks?? Maybe this got the lic light wet frozen I have no idea??

But i will re[lace and let you nmo waht I come up with!!

Thanks