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Discussion in '360/430' started by MikeMonty, May 2, 2021.
I am getting an intermittent high pitch whine in my Scud. Any idea on what is causing it?
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Radio power is off so don't think it is the speaker.
Sounds like sticky relay somewhere
Try a battery reset? (turn off at the frunk for about 5 min). Strange that its intermittent.
At constant RPM it could sound like a dead capacitor in a voltage regulator. Does the frequency varies with the RPM? Otherwise it could be a coil of some kind - in any electric motor, relay, valve...
Frequency does not vary with RPM. Just a constant whine. However, sometimes take it out for a drive and there is no noise. It is annoying so trying to figure it out. Will try the battery reset.
Did you locate the noise close to the instrument cluster where it is filmed?
even radio is off , speaker still could whine
If the whining comes from the speakers then it's likely a ground issue with the amplifier. However (in my little experience with this) this results in a whining pitch that follows the RPM... so I would exclude this.