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Bosch horn repair
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Bosch horn repair
Thanks,
Scott
- schrader7032
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The Fall 2010 (Volume 37 No
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
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- Posts: 81
- Joined: Fri Oct 27, 2006 3:00 am
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- Posts: 81
- Joined: Fri Oct 27, 2006 3:00 am
Assuming it is a OEM Klaxon
Be careful if you take the vibrator apart, as there is a very exact order of re assembly keeping the proper bolts/post isolated from ground. The horn wiring terminals work in series. In other words, send voltage this through, from one terminal to the other, and then to ground. It doesn't matter which is connected to positive and which to ground. Wiring it improperly will make the horn sound when you turn on the lights, as the horn button simply completes the circuit by providing the ground.
Hope this helps,
Icarus
Your welcome. Avoid taking
Icarus
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repaired - thanks
I found a post with some pictures that also helped, see below.
The points were corroded, a bit of abrasive took care of it, I also loosened and tightened all the contact screws inside.
I had to take it apart about 5 times until I discovered I had to tighten the adjustment screw significantly tighter than I originally felt comfortable doing, the spring was really compressed pretty hard. It works well now.
Thanks for the help.
Scott
http://bmwvmca.org/joomla/index.php?opt ... iew&id=456
Glad to see you got it!
Glad to see you got it working. These things are drop dead simple, and as long as the coil isn't burned up there is no reason you can't fix them!
Icarus
PS Edit. Looking at your picture, I assume it is a Bosch horn. It looks very different than the Klaxon on my /2. The coil on the Klaxon is much smaller. The basic design is the same however.
Icarus
Just Passing Along
Dave
Ill look at my Klaxon again.
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