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  1. #1
    Saab Fan
    Join Date
    07 Feb 2015
    Location
    Guam
    Posts
    5
    Saab(s)
    9-3/2005/arc/convertible
    Thumbs Up:   0

    Exclamation Horn not working....and I need car inspection

    Hi everyone, my horn is not working at all. Is there a battery to replace? I have a 2005 9-3 arc convertible and I need to know if there is a battery- where to find it and how to replace. I love doing myself small repairs with someone else's guidance Please, help! My car's inspection is due

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  2. #2
    Dave T.
    Super Moderator Dave T's Avatar
    Join Date
    03 Aug 2010
    Location
    near Seattle, Washington
    Posts
    1,446
    Saab(s)
    1999 9-3SE (2013-2015), 2005 9-3 (2005-2013), 1990 900 (1990-2003)
    Thumbs Up:   31
    Once a saw another car, not a Saab, that had a corroded horn relay, located in the fuse box. The horn doesn't have a separate battery.

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  3. #3
    Saab Fan
    Join Date
    07 Feb 2015
    Location
    Guam
    Posts
    5
    Saab(s)
    9-3/2005/arc/convertible
    Thumbs Up:   0
    Hi Dave T, thanks for the suggestion. I will look into it. It is all possible since humidity is extremely high on Guam :-(

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  4. #4

    Join Date
    12 Jul 2016
    Location
    north Carolina
    Posts
    3
    Saab(s)
    2005 saab linear convertible
    Thumbs Up:   0
    My 2005 linear convertible horn is not working either and the fuse is fine any advice would be great

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  5. #5
    Saab Fan
    Join Date
    07 Feb 2015
    Location
    Guam
    Posts
    5
    Saab(s)
    9-3/2005/arc/convertible
    Thumbs Up:   0
    Hi, actually I never got any feedback from anyone on this problem. I have been driving without horn and someone hit me because I could not warn them that I was behind.

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  6. #6

    Join Date
    12 Jul 2016
    Location
    north Carolina
    Posts
    3
    Saab(s)
    2005 saab linear convertible
    Thumbs Up:   0
    These cars have so many quirks my mechanic is a saint

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  7. #7

    Join Date
    12 Jul 2016
    Location
    north Carolina
    Posts
    3
    Saab(s)
    2005 saab linear convertible
    Thumbs Up:   0
    Glad you were not hurt and good luck with the horn I will keep u posted

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  8. #8
    Dave
    Saab Enthusiast
    Join Date
    25 Oct 2014
    Location
    Nottinghamshire, England
    Posts
    130
    Saab(s)
    2001 93 2.0Ltr HOT Aero coupe & 2011 1.9TTiD Aero saloon
    Thumbs Up:   3
    Hi
    I have had the same problem for quite a while, and have posted the fault on various sites and had no definitive answer.
    the problem seems to be with the CIM (column integrated module or steering column control unit).And a break down in communication along the I-Bus?
    As you can imagine module repair or replacement, plus the need for Tech 2 to activate/install could work out quite expensive for a guess based repair. Due to the rapid arrival of the annual inspection (MOT) and the lack of facts and finances, I opted for a cunning plan B.
    Install a separate horn assembly. I decided to not use a relay or the existing horns.
    Instead I got the dual horns off a 2002 93 from a breakers, an inline 30amp fuse holder and fuse and a non committal push button horn/start switch from a local car parts place.
    I took the feed direct from the battery, straight into the fuse and then on through the bulkhead into the rear of the glove compartment(Bearing in mind mine's a right hand drive, It was through the right hand side of the bulkhead when standing in front of the car facing the engine).
    Then into the switch (mounted beside the cup holder). Out of the switch back through the bulkhead directly to the horns (mounted behind the centre of the front grill).
    Then a return wire to the negative of the battery. Job jobbed, MOT Passed.
    Below hopefully is link to a wiring diagram of a typical Saab horn (2007-2011) and a photo of the switch I installed in my dashboard.

    https://www.dropbox.com/s/uwx83pzpa9...gram.docx?dl=0

    https://www.dropbox.com/s/gca95nf29m...tton.docx?dl=0

    Hope this is of some help.
    Dave

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