Stereo whine fix...

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Old Apr 20, 2005 | 08:24 PM
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Default Stereo whine fix...

My stereo emits a whining sound as I accelerate. I read on 12v.org that this can be fixed, but it doesn't list how. Does anyone know? BTW, this is an aftermarket deck, and I did not rewire the rear speakers, I used a PAC2-OEM converter. Which I was orginially thinking was the problem, until I ran across that on 12v.org. Thanks!
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Old Apr 20, 2005 | 08:31 PM
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Default Whine is usually caused by a power wire too close to a speaker wire or not crossing them at 90...

...degree angles.
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Old Apr 20, 2005 | 08:38 PM
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Hmm.. Alright, I will recheck the wiring tommorrow!
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Old Apr 20, 2005 | 09:09 PM
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yup. That is right.
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Old Apr 20, 2005 | 09:26 PM
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Default Also make sure that you have the input trim set to the correct voltage referance

Check the manual for your stereo - i'm assuming it's aftermarket here. Ususally the outputs are between 3 and 5 volt. Set the input on your amp to this level and things will get a lot quieter. Those input trims are NOT meant to be volume adjusters.
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Old Apr 20, 2005 | 09:48 PM
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How close is too close?
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Old Apr 20, 2005 | 10:21 PM
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I don't think there's any adjustments on the stock amps for the rear speakers...
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Old Apr 21, 2005 | 03:26 AM
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myth, true cause of alternator whine is bad ground
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Old Apr 21, 2005 | 08:03 AM
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That's usually caused by a bad ground wire
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Old Apr 21, 2005 | 08:23 AM
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bad ground, as VVV they said
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