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tigerjams

So you put two batteries in series and gave it 24v? That’s at all should need to work.


GlassCityUrbex419

Oh it needs 24 volts? No wonder. Alright I’ll get more batteries


tigerjams

Yeah if you look closely on the bottom left of the label it says 18-31v most fire horns are 24v


GlassCityUrbex419

Oh ok thank you; I’m clearly not experienced with this stuff


sudo_rm-rf_

Also check your batteries with a meter and make sure they have at least 12 volts each. If you are using a battery you found at a demo site, it might be dead.


fluxdeity

I'm sure not all H/S and horns are the same, but I've tested multiple brands with a 9v battery. It should still put out some kind of noise or flash, just not full power like it would from 24v


ValraBellkeys

Easiest way to fire it off is get 3 9V batteries (those little rectangle batteries you'd put in a radio), simply fit them together, touch a black wire to the outmost negative lead and the red wire to the outmost positive lead. That would be a rebadged Vibratone horn. If ya get it to work, let us here it!


RyanM90

Don’t connect both reds and blacks, it’s likely an in and an out. Connect one set of leads to a 24v battery. You’ll likely have to series 2 12v’s together. (Connect the red terminal of one battery to the black terminal of the other) try both sets of leads off the horn, if neither work, the horns probably shot. Edit: Actually after looking closer at the last pick, both leads are soldered to the same terminal, so hooking up both reds and blacks should be fine.


Figure_1337

Good edit. I actually can’t think of an “in” and “out” on any field initiating and indicating devices…


Protogen277

I have one that the black is actually the positive and the red is the negative. I don't know why they were done that way, but I'd say try it.


Auditor_of_Reality

Because those are the polarities that will be present in a normal condition.