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  #1  
Old 01-03-2010, 07:11 PM
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Location: Downey, SoCal
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77' 240D Horn Doesn't Respond.

For some reason, the horn on my 240D doesn't work at all. When the steering wheel button is pressed, nothing happens at all. No click, nothing.

I have checked and confirmed that the actual horn is still there (behind the front bumper) and all wiring appears to be in very good shape. Tried two different steering wheels and contact rings, no change. Fuse is also fine, and other things associated with the fuse work perfectly.

I noticed one thing that I thought was strange...I thought W123's were supposed to have TWO horns behind the front bumper, a High and a Low. My car only has ONE. It is on the driver's side. There is no indication that my car even came with another horn on the passenger side, but that doesn't mean it didn't. Anyone have some knowledge on the subject? Thanks!
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Old 01-03-2010, 07:14 PM
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have you tried talking louder to it, as things get older they loose their hearing....
but in all fun... Check the Fuses, a lot of things diddnt work on my car including the horn until I replaced them all... also if you got a volt meter check along it's path to make sure you have power all the way to the horn
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Old 01-03-2010, 07:42 PM
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Have you tried testing the horn by jumpering 12V to it? They do go bad sometimes.
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Old 01-04-2010, 01:00 AM
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Fixed the horn. It turned out to be the fuse. :O It looked fine, but when I took it out it fell apart. Jeez. Thanks guys.
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