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High pitched noise
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<blockquote data-quote="Deiimos" data-source="post: 8907485" data-attributes="member: 682903"><p>As already suggested, with all the rca cables unplugged from the amp, if it still makes the noise, it’s something with the amp. Try unhooking the speakers one at a time at the amp (both positive and negative wires), and see if the noise goes away. Pinched / grounded speaker wires can cause odd problems, and you said they ran new speaker wire. Unlikely an issue here, but it is free to test. Other than this, take the amp out and bench test it out of the vehicle.</p></blockquote><p></p>
[QUOTE="Deiimos, post: 8907485, member: 682903"] As already suggested, with all the rca cables unplugged from the amp, if it still makes the noise, it’s something with the amp. Try unhooking the speakers one at a time at the amp (both positive and negative wires), and see if the noise goes away. Pinched / grounded speaker wires can cause odd problems, and you said they ran new speaker wire. Unlikely an issue here, but it is free to test. Other than this, take the amp out and bench test it out of the vehicle. [/QUOTE]
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