Quote:
Originally Posted by blkxer
OK, finally fixed the alternator whine noise issue!!!
Installed a high/low converter on the output speaker wires and removed the output RCA plugs. That fixed everything. Perhaps the output RCA is somehow picking up the interference from the speaker wires on the Fakra cable.
So after trying ground loop isolators, power line filters, and high/low converter...I could've applied all that towards an AudioControl LC6i.
Oh well, next time. I'm just happy the alternator whine is gone and I can move on to upgrading the subwoofer to finish up the project
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Nice! 
Gotta update the other DIY thread! 
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Current:
2017 640Xi Convertible
2011 Acura MDX
2018 Santa Fe
Past:
2013 Honda Accord
2008 Acura TL Tech.------2004 BMW X5 4.8is----2004 Acura MDX Tech
1994 BMW 525i.----------1994 Lexus 300 GS.----1994 Acura Legend GS
1991 Acura Legend LS.----1991 Honda Accord.----1991 300ZX twin turbo
1996 Buick Regal GS.-----1984 300Z 50th anniv.--2002 BMW X5
1982 280Z
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