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Discussion Starter · #1 ·
Hello, I just recently finished an installing new front door speakers, tweeters, an amp and a mini DSP into my 2012 Cruze Eco.
The system sounds great except for an alternator buzz I get, usually only noticeable at low to medium volumes.

I am quite certain this noise is being introduced by the PAC AA-GM44, and I have been unable to eliminate it.
I have tried running direct power from the battery, alternate grounds and RCAs that don't even come close to the car but I still have the buzzing.

What do you guys recommend for an alternate front signal source?

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