Alternator whine with aftermarket headunit

4.2 V8 32v Naturally Aspirated - 414 bhp
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jordanbutters
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Alternator whine with aftermarket headunit

Post by jordanbutters » Mon Jan 07, 2019 6:36 pm

I've recently installed a Kenwood DAB CarPlay HU in my RS4. I used a Connects2 loom and it's all playing nicely with the BOSE system, except I get audible alternator whine no matter what the audio source is. I've checked all the connections and nothing is touching where it shouldn't be.

Does anyone have any experience with curing this without resorting to ground loop isolators? Don't mind running a new earth or two if it means not losing sound quality (I understand isolators kill a lot of the bass quality).

jordanbutters
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Posts: 39
Joined: Tue Jul 18, 2017 5:59 pm

Re: Alternator whine with aftermarket headunit

Post by jordanbutters » Sat Jan 12, 2019 9:27 am

No one else experienced this?

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