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Yet another alternator whine post… I need serious (mental) help
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<blockquote data-quote="adulbrich" data-source="post: 8769720" data-attributes="member: 661255"><p>One way to check things is to get a cheap $5 RCA to AUX splitter at Walmart, plug some headphones in, and see if you can hear the whine from the RCA's coming from the head unit. <a href="https://www.walmart.com/ip/Audio-Splitter-3-5mm-Stereo-Male-To-2-RCA-Female/129722769?wmlspartner=wlpa&selectedSellerId=18470&&adid=22222222227068195833&wl0=&wl1=g&wl2=c&wl3=342032295482&wl4=pla-676951928551&wl5=9017770&wl6=&wl7=&wl8=&wl9=pla&wl10=126354176&wl11=online&wl12=129722769&veh=sem&gclid=Cj0KCQjwrJOMBhCZARIsAGEd4VH9xcrFOLBd4vkLgpau13zLy7q2a1p7UsXVLWOjj3ZmkweGs6aPLNIaAqVpEALw_wcB&gclsrc=aw.ds" target="_blank">https://www.walmart.com/ip/Audio-Splitter-3-5mm-Stereo-Male-To-2-RCA-Female/129722769?wmlspartner=wlpa&selectedSellerId=18470&&adid=22222222227068195833&wl0=&wl1=g&wl2=c&wl3=342032295482&wl4=pla-676951928551&wl5=9017770&wl6=&wl7=&wl8=&wl9=pla&wl10=126354176&wl11=online&wl12=129722769&veh=sem&gclid=Cj0KCQjwrJOMBhCZARIsAGEd4VH9xcrFOLBd4vkLgpau13zLy7q2a1p7UsXVLWOjj3ZmkweGs6aPLNIaAqVpEALw_wcB&gclsrc=aw.ds</a></p><p><img src="https://i5.walmartimages.com/asr/8e9fa860-1043-4826-965c-6d5f8fb38e37_1.6030f62070f40eb64dbe0160049a4160.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Then plug an AUX to RCA cord into your phone and each amp. Play music directly from your phone to the amp.</p><p></p><p>If you hear the noise from your head unit with headphones, it's isolated there.</p><p>If you hear noise through your amps, that's your problem.</p><p></p><p>If you hear noise out of both, you have lots of issues.</p><p>If you hear noise out of neither independently, there's an issue with signal through the RCA's interacting between them. This can be caused by running RCA's along side power wires.</p></blockquote><p></p>
[QUOTE="adulbrich, post: 8769720, member: 661255"] One way to check things is to get a cheap $5 RCA to AUX splitter at Walmart, plug some headphones in, and see if you can hear the whine from the RCA's coming from the head unit. [URL]https://www.walmart.com/ip/Audio-Splitter-3-5mm-Stereo-Male-To-2-RCA-Female/129722769?wmlspartner=wlpa&selectedSellerId=18470&&adid=22222222227068195833&wl0=&wl1=g&wl2=c&wl3=342032295482&wl4=pla-676951928551&wl5=9017770&wl6=&wl7=&wl8=&wl9=pla&wl10=126354176&wl11=online&wl12=129722769&veh=sem&gclid=Cj0KCQjwrJOMBhCZARIsAGEd4VH9xcrFOLBd4vkLgpau13zLy7q2a1p7UsXVLWOjj3ZmkweGs6aPLNIaAqVpEALw_wcB&gclsrc=aw.ds[/URL] [IMG]https://i5.walmartimages.com/asr/8e9fa860-1043-4826-965c-6d5f8fb38e37_1.6030f62070f40eb64dbe0160049a4160.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF[/IMG] Then plug an AUX to RCA cord into your phone and each amp. Play music directly from your phone to the amp. If you hear the noise from your head unit with headphones, it's isolated there. If you hear noise through your amps, that's your problem. If you hear noise out of both, you have lots of issues. If you hear noise out of neither independently, there's an issue with signal through the RCA's interacting between them. This can be caused by running RCA's along side power wires. [/QUOTE]
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Yet another alternator whine post… I need serious (mental) help
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