My parents bought me a horn from AutoZone for my birthday:
Here's the back. It grounds to itself which is grounded by the metal strap.
And here's a momentary switch I bought from Radio Shack. It was a two pack so I have one Red and one Black. In retrospect, I should have bought a lit one. I might go back and pick one of those up and swap it out. But for now, I have a red button for my horn.
Here's the hole I cut. Basically, like I said in previous posts, VW put pre-drilled holes into the metal behind the dash material. You have to feel along the back with your fingers, find the hole and stick something sharp through. I use an exacto knife. For this I also had to use a half inch drill bit to make it just a little bigger.
And here's the button installed:
One idea I had to make this a little more aesthetically pleasing of an install was to take a large diameter coin or maybe even a doorbell backing plate and put it behind the red button. The button doesn't look like enough. Maybe I'll need to make it lighted and give it a background.
Momentary means that the circuit is only completed when the button is pushed in. The button does not stay in, so the circuit is only active for the "moment" that you push the button. For this circuit I ran the power from my number 9 fuse (held for accessories) through the switch and down to the horn.
I removed the original horn (temporarily) and placed the new horn there. I'll put the old horn back once I adjust the steering wheel.
So, is it loud? Yes, it is loud.
I've told people about this install and they often ask is it the AAAA-OOOOO-GAAA horn. They do sell that horn at HarboFreight but I'm not sure I want to go that way. Others install air-horn which there are a plethora of online to buy.
I think I'm good with this for right now. I've not had to use it yet, but I'm looking forward to it.
Casey
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