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=51494
Printed Date: May 09, 2025 at 9:21 AM

Topic: factory horn

Posted By: ksingh
Subject: factory horn
Date Posted: March 07, 2005 at 11:08 PM

i want to know if this can be done to have your factory horn and your alarm horn sounding off together to make it a bit more louder and unique

if so do anyone have a relay diagram on this or can anyone send me some info on it thanks

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Kenny

Replies:

Posted By: Hornshockey
Date Posted: March 07, 2005 at 11:47 PM

It depends on your alarm; you could wire up a relay off of the siren wire to provide a negative pulse to to the horn wire. Although this would just provide a solid tone from the horn and not a pulsed honk. Some alarms have dual outputs for siren and horn. I know code alarms are this way. Not too sure about the other brands though.

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