Loud hum from Bose system.
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Cadillac Audio, Video and Security Systems Discussion, Loud hum from Bose system. in Item Specific Cadillac Discussion; Hey All, This is my first post since registering the other day. I appreciate any assistance. I've had this very ...
  1. #1
    Weiszguy is offline Cadillac Owners Member
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    Loud hum from Bose system.

    Hey All, This is my first post since registering the other day. I appreciate any assistance. I've had this very loud hum coming from my audio system occasionally. Did some research here. Removed rear seat back and all components. Found no obvious issues within these. Noticed after reinstallation that without the tiny "antenna " connected there was no loud hum. What is that little single conductor antenna thingy for? It connects to the small processor box under the Delfi box via a small jumper.

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    dkozloski's Avatar
    dkozloski is online now Cadillac Owners 10000+ Posts
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    Re: Loud hum from Bose system.

    It hums because it doesn't know the words.

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    Weiszguy is offline Cadillac Owners Member
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    Re: Loud hum from Bose system.

    That didn't fix it. Still has the loud buzzing. Bad amp, or interface to Onstar ?

  5. #4
    Weiszguy is offline Cadillac Owners Member
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    Replaced the front two door speakers.
    All good now.

  6. #5
    Weiszguy is offline Cadillac Owners Member
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    BTW, if someone posts to replace the head unit or amp, don't believe it.
    9 times out of 10 it's a bad speaker.
    The coil in these Bose speakers are known to fail.

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