Static / Noise / Interferrence on USB and Bluetooth Input -

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post #1 of 5 Old 07-03-2013, 06:54 AM Thread Starter
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1973 CJ5 
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Static / Noise / Interferrence on USB and Bluetooth Input

Hi Everyone,

Just wondering if anyone else has notice an awful lot of signal noise / static / interference when running Bluetooth or USB (iPod in this case).

If I pause the music with the volume at about 50% - its very noisy / staticy...

When playing music, the treble is very messy, not clean or crisp.

I can't pause radio, so do not know if it is having that problem with that input. I have not tried CD yet... Satellite just sounds like its a low bit-rate quality, like 64 Kbps (if anyone knows anything about downloading MP3's, anything less than 192 kbps sounds pretty degraded.)

I did not have this problem with my old vehicle - I am wondering if there is possibly a ground interference problem with my stereo, or if others have this same issue?

UConnect (no touch screen) with Alpine 7 Speaker System


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post #2 of 5 Old 07-03-2013, 03:55 PM
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I have the same issue on my 13, haven't found a fix yet!
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post #3 of 5 Old 07-03-2013, 10:17 PM
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FWIW, our 2013 JKUR 10A doesn't have the static noise. We pair an iPhone5 and Motorola Razr Maxx HD, and have streamed music with no issues. And yes... the Sirius quality wasn't great to begin with, but our 2010 sounded better than the 2013 we have now.

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post #4 of 5 Old 07-05-2013, 04:54 PM
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This happened to me recently with an IPhone. I rebooted the phone and the noise went away.

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post #5 of 5 Old 07-08-2013, 08:23 AM
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I guess that you didn't like the answer that I gave you on the other forum, but the answer is still the same. You are dealing with an induction of signals from noisy wiring within the vehicle. The gain is not a variable gain on the audio lines so when you pause the radios output, you need to lower the radio volume also. This problem can also be from having the phones media volume down too low and then having to turn the radio volume up higher to get a decent output.
You have the radio's audio still active but there is no audio input. There will be noises. If the radio muted the output when pause is pushed, then there wouldn't be any noises.

This is the difference between having an external module and having an internal module. The problem is that there are audio signal wires coming from the externally mounted module tot he radio, there are wires in the factory automotive harness ( in Chrysler as well as all other vehicle brands) that radiate signals that are picked up by the sensitive audio wires and passed thru to the radio to be amplified. If you're listening to a different format or have a call, you don't hear these sounds. You may also want to make sure that the volume is up on the phone for it's music volume.
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