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"OOgah" Horn

The “oogah horn” i had installed on my truck doesnt work all the time mostly when it is colder weather or nearly always early in the morning, by noon or when the weather warms up it just “buzzes” but wont really work??

You might spray some electrical cleaner or silicone lubricant (not WD-40) in it. How old is it?

It is about four years old, and whenit works it does great other wise just buzzy sounds!!