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how to cure noise/static sound

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=119661
Printed Date: June 04, 2024 at 5:33 PM


Topic: how to cure noise/static sound

Posted By: bigdeezy11
Subject: how to cure noise/static sound
Date Posted: January 26, 2010 at 5:18 PM

i have a 98 pontiac grand prix, the whole audio system is stock.  when the music is low and or radio is off i can hear noise or interferrance or what sounds like static.  how do i diagnose this and fix it? any help much appreciated.



Replies:

Posted By: i am an idiot
Date Posted: January 26, 2010 at 7:09 PM
Are you sure the noise is coming out of the speakers?




Posted By: bigdeezy11
Date Posted: January 26, 2010 at 8:14 PM

it does sound like it is coming out of the speakers.  more so out of the rear speakers.  where else could it be coming from?





Posted By: i am an idiot
Date Posted: January 26, 2010 at 9:44 PM

I do not know where else it would be coming from, but if you are turning the radio off.  Not the volume down but actually turning the radio off and it is still making the noise, chances are the noise is not coming from th speakers. 

Turn the radio down or off, climb into the back seat and put your ear near the speaker to see if that is where the noise is coming from.





Posted By: mrarff
Date Posted: January 29, 2010 at 10:00 AM
 In spite of what you have been told so far, since you have a stock GM stereo you can be experiencing a "phantom" sound of sorts. A great many GM products use the stereo speakers to let you hear door chimes, turn signal activation, lights-on warning, ect. This "noise" isn't very loud, but it is present with the engine off and the switch on, and it IS comming from the speakers (or Speaker). It is simply a GM thing, because they connect so dang much to the stock radio. And this doesn't dissappear when you replace it with an after market h/u, when you use the GM adaptor that is recommended ( GM-LAN-4 or such) In fact, it increases if anything, so just don't turn the unit off is all the advice I can offer.

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"That'll get ya 10 in Leavenworth,11 in Twelveworth, or 5 & 10 in Woolworth". Groucho Marx                                                      





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