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Reload Thread: Need Help! Annoying Alternator Wine

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    CerwinVega_Fan's Avatar
    CerwinVega_Fan is offline Coolest Member



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    Re: Need Help! Annoying Alternator Wine

    Quote Originally Posted by maylar View Post
    Read the sticky on alternator whine. It's ALWAYS due to ground loops. The HU ground is different than the amp ground and you get ground currents running through the RCA shields. Different cables SOMETIMES helps, but the real issue is GROUNDS GROUNDS GROUNDS GROUNDS GROUNDS GROUNDS GROUNDS.

    I have that same JVC deck and it's fine.
    So a gound loop isolator would do the trick?







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    maylar's Avatar
    maylar is offline Electrical Weenie



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    Re: Need Help! Annoying Alternator Wine

    Quote Originally Posted by CerwinVega_Fan View Post
    So a gound loop isolator would do the trick?
    That's basically what they're for, yes. People don't like them because you can lose SQ depending on the manufacturer but sometimes they are a viable solution. I have an install in an old car that's simply impossible to get equal grounds between the amp and HU. Isolator fixed it.



    dave
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    1999 Buick Park Ave Ultra
    Head Unit: JVC KWHDR720
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    Front Stage: Hybrid Audio Technologies Imagine 5.25 mids, Morel Maximo tweets
    Sub Stage: Boston G3 10", 0.5 cu ft sealed
    Amp: PPI Phantom 900.4
    Rear Fill: Boston SE953 6X9's

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