Question about 2004 Porsche Cayenne

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Horn not working

Horn is not working - fuse is ok

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  • gudjon Apr 21, 2009

    where is the horn located in the Cayanne

  • Eric Heifetz
    Eric Heifetz May 11, 2010

    GM is my expertise, but a horn, is a horn. Besides an " OK " fuse , there is the horn pad / button contacts, switch ( in the column ) , signal switch unit, probably a relay , and a mile or so of wiring, plus the horn > Much needs to be tested. Any audible "clicking" sound heard under the dash when depressing the horn button ?

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  • 123 Answers

You may need a relay

Posted on Apr 21, 2009

  • 1 more comment 
  • jrez143 Apr 22, 2009

    most horns are right behind the front grilss or on the wheel well.

    the relay is normaly next to the fuses under the hood

    a good way to test is run a wire from the pos. side to battery and touch the wire connected to the horn and if it sound ( and it should than it is a relay- most connections do not come loose

  • kolqgjin May 13, 2011

    I have the same problem but i replace the horns and still the same
    Please if anyboby can help

  • blaster9158 Aug 13, 2011

    Porsche dealership in Las vegas told me there is a metal plate that fails behind the airbag as I alos have a horn problem. He said its a common issue on the 2004 boxster.

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SOURCE: Horn does not work. Fuse good, horn and wiring

RF of engine compartment under hood, behind headlights.

Posted on Oct 15, 2009

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SOURCE: My 1994 camry horn isn't working fuses ok help

check the reley and the horn is pluged in also it might even be in the styering wheel that the wire is disconected if you had an air bag deployment

Posted on Dec 09, 2011

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