Klaxon was a brand name that has evolved to include any Oogha type horn. Kind of like any adjustable open end wrench is now referred to as a Crescent wrench. I have been told that GM put klaxon horns on some very early vehicles but I don't personally know that to be a fact. You don't say what vehicle you're referring to but if it's the '51 in your signature it had a vibrating horn from the factory. Those are plentiful and inexpensive.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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