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328 horn problem

Discussion in '308/328' started by gigaleff, Feb 20, 2010.

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  1. gigaleff

    gigaleff Rookie

    Feb 27, 2008
    47
    Switzerland
    #1 gigaleff, Feb 20, 2010
    Last edited by a moderator: Sep 7, 2017
    Last summer I discovered that my horn sounds very weak. I removed the hole unit and connected it directly to the battery of our toyota and there it was: the wonderful and strong yell of an old Ferrari horn - so the aircompressor and the horns are ok.

    Next thing to check will be the circuit as I suspect a bad ground connection.
    Are there any known weak points in the horn circuit? Where is the ground connected to the chassis?

    Any hints?

    Cheers
    gian franco
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  2. PT 328

    PT 328 F1 Rookie
    Silver Subscribed

    May 1, 2005
    4,008
    #2 PT 328, Feb 20, 2010
    Last edited: Feb 20, 2010
  3. miketuason

    miketuason F1 World Champ
    Owner Silver Subscribed

    Feb 24, 2006
    15,812
    Cerritos, CA.
    Full Name:
    Mike
    #3 miketuason, Feb 20, 2010
    There's also a relay for the horn, might want to check that
     
  4. David Jarrett

    David Jarrett Karting

    Sep 21, 2006
    240
    Chatham Kent
    Full Name:
    David Jarrett
    #4 David Jarrett, Feb 20, 2010
    Glad to see that this was not a men's 'problem page' arousal issue as I had first feared.
     
  5. gigaleff

    gigaleff Rookie

    Feb 27, 2008
    47
    Switzerland
    #5 gigaleff, Feb 20, 2010
    Already knew the thread but thanks. I will have the opportunity to test the horn on the car next week when it's on the lift...

    I'll do that.

    Sorry for my english - did I miss an ambiguity?
     
  6. AZDoug

    AZDoug Formula 3

    Jun 17, 2009
    1,606
    Along the Verde , AZ
    Full Name:
    Doug
    #6 AZDoug, Feb 20, 2010
    Apparently if you are in England. No American English connotation.

    Doug
     
  7. gigaleff

    gigaleff Rookie

    Feb 27, 2008
    47
    Switzerland
    #7 gigaleff, Mar 19, 2010
    Last edited: Mar 19, 2010
    I disassembled the horn compressor and lubricated everything. After cleaning the contacts, the horn seems to work fine again - a bit slow when engaging but ok after a second (maybe normal for air horns - it's my firstone).
     

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