High pitched noise while driving

[JaredHB]

Lately I’ve had a very high pitched sort of interference noise whenever Im driving but the noise goes away during idle. I first checked my radio ground my battery ground and even removed my radio but that didn’t work. Does anyone else know what it could be? While it’s making the noise it gets louder the faster I go and changes pitches a ton.


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[JPNinPA]

Do you mean radio interference or more mechanical.

Radio: Check battery connection and opposite end of the ground wires. The contact points should be polished. Wire resistance less than 1 ohm. Corroding wires and contact points is a jeep thing. Get your alternator checked. AZ and O’Reilly’s does it for free.
Spark plugs or coil pack grounded

Mechanical
Check wheel bearings, u joints and axel joints. Brake wear.
Do you have a Throttle Body spacer? They whistle higher rpm.



Never look down on anyone unless you are helping them up - Jesse Jackson

 

[JaredHB]

Yeah I’m pretty sure it’s mechanical the noise just sounds like how radio interference does. Like that paranormal high pitched “scary” noise they always use. Good idea for the free check I’ll do that tomorrow for sure. I don’t believe I have any spacers and breaks are brand new replaced 2 months ago I’ll check those though


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