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Air Horn on Delay through factory horn

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=78894
Printed Date: July 14, 2025 at 9:06 AM


Topic: Air Horn on Delay through factory horn

Posted By: hack6500
Subject: Air Horn on Delay through factory horn
Date Posted: June 08, 2006 at 3:31 PM

hello all, i have new truck and had some air horns laying around and hooked them up.

rather than plumb a wire for the switch, i was thinking about another solution. i really only want to use the air horns in extreme situations, such as laying on the stock horn for 2+ sec. this would allow me to be obnoxious when i needed to, and not bother many people for a simple beep-beep.

i have no details on my specific China air compressor other than 12v 20amp (i think) as it didnt have directions. currently I have it wired for negative trigger with the relay & switch under the hood and it works fine by itself.

what i am thinking of doing is taping the factory horn voltage and using a capacitor to atain my desired 2sec delay for my compressor. I have a handful of caps, but thought i would ask before i start to experiment.

has anyone done anything like this? any advise would be greatly appreciated.

hack6500



Replies:

Posted By: dualsport
Date Posted: June 09, 2006 at 9:10 AM
Check out this prior post on airhorns, looks pretty close to what you're trying to do-


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