Volvo RWD 444-544 Forum

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6 Volt Bosch horns 444-544

posted by  VinceInMt on  Mon Jul 26 06:45 CST 2010
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last visit: Mon Jun 9 07:43 CST 2014
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Does anyone have experience rejuvenation the Bosch horns?

I am restoring a '59 PV544, 6 volt. I have the horn relay clicking but no horns. I pulled the horns and did a direct connect to the battery but no sound from either. I opened one and it is very clean and dry inside, looks like new.

Am I missing something.

Thanks,

Vince in Billings








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6 Volt Bosch horns 444-544

posted by  VinceInMt on  Mon Jul 26 15:58 CST 2010
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last visit: Mon Jun 9 07:43 CST 2014
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Thanks for the suggestions so far. Are there "points" in the horn itself? It looks like it has a coil and a capacitor. I didn't see "contacts." I'll pull them out again and take a look.

Vince







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6 Volt Bosch horns 444-544

uid 5322's pic
posted by  alschnertz on  Mon Jul 26 11:26 CST 2010
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last visit: Fri Oct 24 10:32 CST 2014
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I'd say, yes, you are missing something. I re-did the horns on my '60 myself. Pull them apart and clean them.

I don't remember it being anything difficult. Make sure all the contacts are very clean and use an anti-corrosive paste on all the electrical connections.

They worked like a charm after that. Sound awesome too! What a BLATTT.







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6 Volt Bosch horns 444-544

posted by  walrus3 on  Mon Jul 26 09:46 CST 2010
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last visit: Mon Dec 2 14:20 CST 2013
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Are the points clean?
The adjustment on them is pretty picky.
--
George Downs, Bartlesville, Heart of the USA!







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