Alternator Whine Through Speakers... | Ford Explorer Forums - Serious Explorations

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Alternator Whine Through Speakers...

CanAdrenalin

Well-Known Member
Joined
February 10, 2014
Messages
130
Reaction score
2
City, State
Toronto
Year, Model & Trim Level
2010 Sport Trac Adrenalin
So I've recently noticed I can vividly hear my alternator whining through my speakers and/or subwoofer. I have a 2010 STA with factory nav and subwoofer.

Typically in an aftermarket setup this wold be caused by the close proximity of the power wire to the RCA cables, or a shoddy ground connection, but what could it be with a completely factory setup?

Also, I do have the lockpick system installed, but this has been installed for years with no issue and I cant see how this would be the problem.

Let me know if anyone has dealt with this same issue.
 






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