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<blockquote data-quote="blowthemup" data-source="post: 8468660" data-attributes="member: 572865"><p>Not sure if I have always had it, but if I have i&#039;m now only noticing. Turn my volume all the way down while the car is off and I can hear a quiet electrical whine coming from the subwoofer cone. I can gently push on the cone and the noise will change but not go away. Turn the radio and amps off it goes away so I think my amp is just picking up some noise somewhere and then amplifying it through the subwoofer. Another thing I recently noticed is my high output alternator is making a very similar electrical whining noise as the subwoofer. I know its the alternator cause I remove its cable from the front battery and it stops. Alternator even makes the noise when the car is completely off. Could these two sources of noise be related? I was suppose to make a ground cable for my alternator but never got around to it, would grounding my alternator with some 0gauge fix my problem? Also the RCAs and power wires are on separate sides of the car so I doubt thats it but I will double check the radio and RCAs and how there ran just to make sure.</p></blockquote><p></p>

[QUOTE="blowthemup, post: 8468660, member: 572865"] Not sure if I have always had it, but if I have i'm now only noticing. Turn my volume all the way down while the car is off and I can hear a quiet electrical whine coming from the subwoofer cone. I can gently push on the cone and the noise will change but not go away. Turn the radio and amps off it goes away so I think my amp is just picking up some noise somewhere and then amplifying it through the subwoofer. Another thing I recently noticed is my high output alternator is making a very similar electrical whining noise as the subwoofer. I know its the alternator cause I remove its cable from the front battery and it stops. Alternator even makes the noise when the car is completely off. Could these two sources of noise be related? I was suppose to make a ground cable for my alternator but never got around to it, would grounding my alternator with some 0gauge fix my problem? Also the RCAs and power wires are on separate sides of the car so I doubt thats it but I will double check the radio and RCAs and how there ran just to make sure. [/QUOTE]

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