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How can I install an air horn using existing horn button

I have a set of air horns I want to install to bypass whimpy Toyota horn

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alan.thomas65  your ‘85 seems to have a lot of horn problems going on. As for your air hon, that will depend what horn that is and what the wiring looks like. So, you may have to consider posting some pictures with your question.. Usually you just replace the standard horn with the air horn. That way your original button and circuitry is being used by the new horn. It may need some more wiring for the compressor but that will depend on the air horn not your Toyota.

Adding images to an existing question

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Air horns need compressed air, so I would imagine you that you either need a compressor or an all in one system that produces the compressed air for that specific horn, like this for example…

https://www.ate-uk.com/air-horn-with-bui...

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