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16-02-15, 03:44 PM
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#1
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Member
Join Date: Sep 2011
Posts: 20
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Horn MK2 diesel
I've done a quick search, so apologies if this has been over before!
My Horn has stopped working, (mk2) i know most people will instantly say the BCU relay(s) have failed, but when I push the button you can hear the relay clicking, does this still mean its failed? or is the horn unit knackered? im not immune to a bit of soldering, but i would rather bypass, and make a circuit or something!!! (fog lights still work, aren't they on the same circuit?)
Thanks Dan
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16-02-15, 04:40 PM
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#2
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Technical Expert R.I.P.
Join Date: Aug 2007
Posts: 9,239
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Most likely the horn itself.
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16-02-15, 04:44 PM
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#3
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Member
Join Date: Feb 2008
Location: UK
Posts: 10,493
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Rear fogs and brake lights are on the same fuse, no 2, in the engine bay fuse box.
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16-02-15, 05:17 PM
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#4
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promoted bloke!
Join Date: May 2008
Location: bournemouth
Posts: 16,800
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Try the horn by putting a live wire to the terminal, to check if its working or not.
First thing I bought on here a s/h horn, still not used it, but thats life. Got a spare, the original will never fail!!!!
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16-02-15, 05:40 PM
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#5
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Member
Join Date: Jan 2010
Location: stenhousemuir,falkirk
Posts: 3,962
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it will be the horn thats failed,this was the same symptoms when i got mine,fitted a new horn and its worked ever since.
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16-02-15, 06:50 PM
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#6
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Member
Join Date: Jul 2012
Posts: 1,284
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had a couple of horns fail, the mk2 has only 1 horn, but I think there is wiring both sides for 2 horns like the mk1, so a used horn from either side of a mk1 could be the way forward?
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16-02-15, 06:53 PM
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#7
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Member
Join Date: Feb 2008
Location: UK
Posts: 10,493
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That was my plan but I assumed the wiring wouldn't be there.
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16-02-15, 11:42 PM
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#8
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Member
Join Date: Jul 2014
Location: Carlow Ireland
Posts: 390
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It will be the horn itself. Mine was like that. Because of its position it's very easy for water to get into them causing them to fail, I got away once with just leaving the horn unit to dry for 24 hours and it worked so try that first if the wires aren't badly corroded
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17-02-15, 10:47 AM
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#9
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Member
Join Date: Nov 2007
Location: Sheffield
Posts: 776
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I concur with others, it is most likely be the horn. Mine had the exact same symptoms with no horn but clicking relay on the horn buttons. Got a new horn and it was fixed.
Mk2 seems to be more prone to horn failure.
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17-02-15, 09:36 PM
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#10
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Member
Join Date: Nov 2012
Location: Nantes, France
Posts: 360
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Fit both low and high tones from a mk1 on my mk2 was one of my favorite mod. It sounds lovely, even if I barely use the horn.
No wiring for the other side on mine, but add some wire from the n/s side is very easy.
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