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Is anyone experiencing a high pitch tone coming from behind the steering wheel or the radio. It comes on when I drive and still makes the noise when I’m idle. It’s a very annoying sound and I’m gettin very frustrated someone please help me find a solution. The sound is driving me crazy.
 

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Do you still hear this with the sound system off? If not, it could be some kind of emi signal leaking from the engine's wiring, and would change pitch as the engine revs up.

Could also be coming from the alternator, through the firewall(?).

Maybe also just a slipping belt or a bad tensioner pully, again with the pitch changing as the engine revs up.
 
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