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Old 1st January 2013, 15:06   #1
Charles
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Default Problem with horn buttons

I have discovered that my horn buttons are not working. The horn still gives a quick beep if I lock the car with a door open, so clearly the horn itself and its fuse are OK, but neither of the buttons on the steering-wheel has any effect. This suggests a loose connection inside the steering-wheel, or somewhere between the wheel and the horn. Is this a known problem, and can anyone suggest a solution, please? I am reluctant to start dismantling the steering-wheel for fear of damaging the air-bag.
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Old 1st January 2013, 15:18   #2
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Mine is the same. The beep when you lock the car is not the same horn,it's a single horn for the alarm and is in the plenum on the drivers side.
You need to check your fuse box in the passenger foot well, it's a blue 15amp fuse, easy to spot on the guide inside the fuse box lid. Mine was blown and instantly blew when I changed it, pressed the button, the horn did make a slight beep.
Let me know what you find but I guess the steering wheel will have to come off next. MUST disconnect the battery for half an hour first though, make sure you know your radio code.
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Old 1st January 2013, 15:23   #3
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I had a similar problem with a Granada a few years ago.
On the underside of the steering wheel there was a brass or copper ring, which made the contact for the horn.
It was covered in a grey film, so I gave it a spray with WD40, gave it a wipe with a cloth, and that was it sorted.
Not sure if the set up's the same, but might be worth a look.
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Old 1st January 2013, 15:28   #4
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Thanks for the reply. I hadn't realised they were separate horns. I'll check the fuse when I can get to it in daylight (probably at the weekend now) and report back.
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Old 1st January 2013, 15:30   #5
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And thanks to GazYorkshire as well. Can't see anything like that on the underside of my steering-wheel but it may be inside the steering column.
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Old 1st January 2013, 15:31   #6
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Quote:
Originally Posted by hgv2 View Post
Mine is the same. The beep when you lock the car is not the same horn,it's a single horn for the alarm and is in the plenum on the drivers side.
You need to check your fuse box in the passenger foot well, it's a blue 15amp fuse, easy to spot on the guide inside the fuse box lid. Mine was blown and instantly blew when I changed it, pressed the button, the horn did make a slight beep.
Let me know what you find but I guess the steering wheel will have to come off next. MUST disconnect the battery for half an hour first though, make sure you know your radio code.
IIRC it is fuse 28 and don't forget to check the horn relay on the fuse panel.
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Old 1st January 2013, 15:33   #7
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Quote:
Originally Posted by rover54 View Post
IIRC it is fuse 28 and don't forget to check the horn relay on the fuse panel.
Never thought of that, when I get fully mobile (almost there:xmas-smiley-004 I will get out and investigate. Thanks.
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Old 1st January 2013, 18:34   #8
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Charles, with the engine running, pop the bonnet, does the bonnet open warning light come on?
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Old 1st January 2013, 18:45   #9
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When the horn buttons are pressed, can you hear a ticking sound from the Fuse Box above the glove box. If the ticking is audible, this is the Relay receiving power and the Fuse will be intact.
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Old 1st January 2013, 19:29   #10
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Quote:
Originally Posted by Charles View Post
And thanks to GazYorkshire as well. Can't see anything like that on the underside of my steering-wheel but it may be inside the steering column.
Sorry, should have said - you'll need to remove the wheel to see it.
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