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An odd problem. Seeking advice from the pros
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<blockquote data-quote="shizzzon" data-source="post: 8502233" data-attributes="member: 590338"><p>hook stereo directly to isolated 12v battery and connect a random speaker out of the car to it.</p><p></p><p>Test to make sure the headunit isnt bad first.</p><p></p><p>Sounds like the brands use different noise filters. You may have always had an issue, it was just more filtered with pioneer.</p><p></p><p>Perhaps ground loop being caused from headunit ground.</p><p></p><p>You could also run a temp wire from headunit ground to battery and see if it fixes it. Add-on wire, not replacement.</p></blockquote><p></p>
[QUOTE="shizzzon, post: 8502233, member: 590338"] hook stereo directly to isolated 12v battery and connect a random speaker out of the car to it. Test to make sure the headunit isnt bad first. Sounds like the brands use different noise filters. You may have always had an issue, it was just more filtered with pioneer. Perhaps ground loop being caused from headunit ground. You could also run a temp wire from headunit ground to battery and see if it fixes it. Add-on wire, not replacement. [/QUOTE]
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An odd problem. Seeking advice from the pros
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