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Check this one out - electrical

Discussion in 'Technical Q&A' started by ducowti, Oct 2, 2008.

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  1. ducowti

    ducowti Formula 3

    Jan 27, 2008
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    NY/SC
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    David
    #1 ducowti, Oct 2, 2008
    Replaced the existing aftermarket midrange speakers in my 328 the other day with a pair of ADS car speakers that have the same size mid and also a tweeter. With ignition switched ON but car not running, and stereo on, if I honked the horn or hit a window switch the stereo shuts off for the duration of the switching. Doesn't happen with the car running however. :confused: These are car speakers previously used in another car. I left them in since there seems to be no other effect and well, I don't anticipate honking much w.the car off so I'm not to worried about that facet. But is there any long term potential effect I should consider?
     
  2. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
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    Greg Calo
    #2 GCalo, Oct 2, 2008
    You might have a weak battery.

    Sounds like the heavier electrical draw is capturing the available battery energy.
     
  3. ducowti

    ducowti Formula 3

    Jan 27, 2008
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    #3 ducowti, Oct 3, 2008
    Indeed. The plot thickens...evidence is mounting that my intermittent starting issue may be in fact due to a weak battery. Time to test that sum*****.
     
  4. RoccoM

    RoccoM Formula Junior

    Oct 6, 2007
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    Richmond Hill, ONT
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    Rocco M
    #4 RoccoM, Oct 3, 2008
    sounds like a bad ground. Could the horn and window be on the same ground wire.
     
  5. GCalo

    GCalo F1 Veteran

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    Greg Calo
    #5 GCalo, Oct 3, 2008
    That's a good point as well.

    Remove the battery leads, clean them, and reattach.

    See what that does.
     
  6. ducowti

    ducowti Formula 3

    Jan 27, 2008
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    #6 ducowti, Oct 3, 2008
    The leads are clean and secure. Possibly a bad ground elsewhere?
     
  7. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
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    Greg Calo
    #7 GCalo, Oct 3, 2008

    That's what it does sound like!
     

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