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Join Date: Jul 2003
Posts: 848
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2 horns?
I've just discovered that there are 2 horns in my '72 (both inside the front left fender). One is slightly fatter than the other. Is this normal?
Both are broken. Do I have to buy 2? |
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04-11-2011, 11:27 AM
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RETIRED
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They are high low toned horns. Typical is two....
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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04-11-2011, 12:03 PM
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Join Date: Mar 2010
Posts: 799
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Yep, you have the right setup. This makes the horn warning more "musical".
As for replacing them, check first by connecting the leads directly to a 12V power source to make sure they are dead. There is a relay in the trunk that may be bad and not supplying the horns with power when the button is pushed. |
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04-11-2011, 12:25 PM
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Join Date: Jul 2003
Posts: 848
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Thanks! I have checked them by connecting the leads directly to 12v battery - they are definitely dead.
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04-11-2011, 12:48 PM
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RETIRED
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Open them up...there's an adjustement screw.
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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04-11-2011, 12:50 PM
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Posts: 848
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You're saying that adjusting the screw will fix them up? Simple as that? These are 39 years old..
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04-11-2011, 01:33 PM
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RETIRED
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Maybe...that and cleaning corrosion helps electrical stuff. What do you have to lose?
Horns are cheap but WTF.....clean them up a bit and learn the circuit diagram.....
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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04-11-2011, 01:39 PM
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Join Date: Jul 2003
Posts: 848
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Hi
I managed to fix one of the horns (high-pitched) just by adjusting the screw. The other one was knackered (burnt coils) so I ordered a new one. You saved me $50 
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04-12-2011, 08:38 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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When you have both working, you'll otice how the sound is different individually vs. activating them together. I had my low tone horn crap out on me and I was left with only the high tone horn. Sounded a bit girly. So two in this case is definitely better than one. Especially when you're left with only the girl horn working......
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Kevin L '86 Carrera "Larry" |
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04-12-2011, 09:01 AM
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RETIRED
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Quote:
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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04-12-2011, 09:26 AM
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Da cab
