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Donald.e



Member Since: 03 Aug 2021
Location: Evanton
Posts: 27
Scotland 
2011 Defender Horn Failure
The horn has stopped working recently, they still sound from the alarm but not from push switch.
I have checked the obvious, Fuse 3 on secondary fuse box all OK (headlamp flash OK which shares fuse)
and physically on Column Switch, nothing obvious.
The problem is my Haynes Manual doesn’t show applicable Wiring Diagram, so couple of questions
1. Does anyone have a wiring diagram
2. Or better still, any ideas as to fault
Post #928910 7th Nov 2021 3:47pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
fuse 27 under dash fuse box
Post #928913 7th Nov 2021 4:26pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
https://1drv.ms/u/s!AtZSoWFHDgnGlkisYCA8iDgYfVxD?e=IjJwqe


look under alarm

then you open the file it will ask how do you wont to open pick PDF


two missing fuse from wire diagram think martin


Click image to enlarge
Click image to enlarge
Post #928914 7th Nov 2021 4:31pm
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Donald.e



Member Since: 03 Aug 2021
Location: Evanton
Posts: 27
Scotland 
Cheers, the alarm sounder is good, but will check all this out
Post #928919 7th Nov 2021 4:58pm
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stanley



Member Since: 18 Sep 2009
Location: Dorset /hampshire
Posts: 1026
United Kingdom 2011 Defender 110 Puma 2.4 USW Orkney Grey
Check the wiring behind the O/S headlight , mine had chaffed through
Post #929032 8th Nov 2021 10:33am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
Donald.e wrote:
Cheers, the alarm sounder is good, but will check all this out


alarm sounder and horn on same page of the wire diagram Thumbs Up
Post #929035 8th Nov 2021 10:52am
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OJ



Member Since: 23 Nov 2018
Location: North of Edinburgh
Posts: 120
Scotland 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Had exactly the same problem, thought it was my grandson yanking on the stalk that broke it but turned out both horns had failed, think one failed a while ago, didn’t realise there were two, replaced and all ok, access by removing the headlights and pots, I tried removing them first and tweaking the grey adjustment screw, they worked fine for a few days then had to do it all again to replace them
Post #929064 8th Nov 2021 3:39pm
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