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Thread: Buzzing sound coming from driver side speaker after replacement.

  1. #1
    Join Date
    Jun 2005
    Location
    Florence KY
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    427
    My Cars
    1998 BMW 740iL

    Buzzing sound coming from driver side speaker after replacement.

    The past few weekends I have completed the following projects on my 1998 BMW 74iL. 1) Replaced passenger side door lock actuator/assembly 2) replaced passenger side mid bass driver with an aftermarket unit 3) Replaced driver side door lock actuator/assembly 3) replaced driver side mid bass driver with aftermarket unit. After completing all this now the driver side speaker I replaced has a constant buzzing when the car is off. I took out the speaker and hooked up an old BMW unit from the rear deck to it and it buzzes as well. I had the neg terminal disconnected when replacing both door lock actuator/assemblies. Does anyone have guidance on what to do from here? Thanks.
    Just keeping it reliable and looking decent.

  2. #2
    Pelican Parts's Avatar
    Pelican Parts is offline Senior Member Supporting Vendor
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    Maybe a grounding issue?
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  3. #3
    Join Date
    Jun 2005
    Location
    Florence KY
    Posts
    427
    My Cars
    1998 BMW 740iL
    Quote Originally Posted by Pelican Parts View Post
    Maybe a grounding issue?
    Thats what I was thinking. I have been wondering where the grounding issue may be that I may have caused after completing my recent work.
    Just keeping it reliable and looking decent.

  4. #4
    Join Date
    Jun 2005
    Location
    Florence KY
    Posts
    427
    My Cars
    1998 BMW 740iL
    FIXED!! Turns out the buzzing sound was due to me hooking up two connections wrong when putting the door panel back on. I switched the seat memory and tweeter connection which are the same size.
    Just keeping it reliable and looking decent.

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