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SportTrac Discussion
Audio Systems
Strange pulsing whine in speakers caused by bluetooth
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<blockquote data-quote="Wade J" data-source="post: 1048714" data-attributes="member: 73574"><p>I would assume this noise only became a problem after the new radio install correct?</p><p></p><p>How clean are your battery terminals? I have seen noise introduced into a car audio system from bad grounds not just the radio ground. If you live in the rust belt this can be an issue as well.</p><p></p><p>How old is the battery?</p><p></p><p>Do you have another 12v battery laying around that you can use for a test. just hook up the JVC radio 12v constant and 12v switched (red and yellow) together to this external battery + ( I would put a fuse in line just in case) and JVC radio ground (black) wire to the external battery - and see if the noise continues. </p><p>The only thing connected to this external battery will be the JVC radio.</p><p></p><p> If the noise is NOT present with an external battery not connected to the vehicle this would say it’s something on the truck side causing the issue. </p><p></p><p>If the noise IS present with an external battery not connected to the vehicle then it’s the head unit itself. </p><p></p><p>This will at least tell you if the JVC or the truck is the issue.</p><p></p><p>Good luck sir</p></blockquote><p></p>
[QUOTE="Wade J, post: 1048714, member: 73574"] I would assume this noise only became a problem after the new radio install correct? How clean are your battery terminals? I have seen noise introduced into a car audio system from bad grounds not just the radio ground. If you live in the rust belt this can be an issue as well. How old is the battery? Do you have another 12v battery laying around that you can use for a test. just hook up the JVC radio 12v constant and 12v switched (red and yellow) together to this external battery + ( I would put a fuse in line just in case) and JVC radio ground (black) wire to the external battery - and see if the noise continues. The only thing connected to this external battery will be the JVC radio. If the noise is NOT present with an external battery not connected to the vehicle this would say it’s something on the truck side causing the issue. If the noise IS present with an external battery not connected to the vehicle then it’s the head unit itself. This will at least tell you if the JVC or the truck is the issue. Good luck sir [/QUOTE]
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SportTrac Discussion
Audio Systems
Strange pulsing whine in speakers caused by bluetooth
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