air horn with car alarm?

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=103588
Printed Date: May 18, 2024 at 7:29 AM

Topic: air horn with car alarm?

Posted By: pitdawg
Subject: air horn with car alarm?
Date Posted: April 01, 2008 at 10:22 AM

Hi guys im new here..

i need help i have a ungo (clairon) alarm that has a (-) wire to run to horn relay to make the horn honk when the alarm goes off.

I have a 97 tahoe i found the horn relay in the relay box under the hood.. Do i hook it to that? Or Do i have to have a hole diffrent relay i would buy form parts store or something? If i could hook it up to the horn relay thats already factory in the truck, What prong would i have to tap into.. Please help.. Im stumped..

Replies:

Posted By: KarTuneMan
Date Posted: April 01, 2008 at 12:02 PM

There is a black wire in the harness from the steering column, it's a negative trigger so you should be able to test it and wire directly without a relay.

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Posted By: pitdawg
Date Posted: April 01, 2008 at 1:17 PM

Ok so i just find the black wire in steering,,, and wire the - alarm horn wire to that black wire in steering?

Wont there be a bunch of black wires in steering colum? should i just tap in to all of them intill the horn starts honking?

Posted By: KarTuneMan
Date Posted: April 01, 2008 at 2:59 PM

TEST all connections.

If you don't have a multimeter get one. borrow one if you must.

Your truck is worth far more than the cost of this tool you will use for the rest of your life.

Safety first, but if you just wanna go tapping into black wires willy-nilly have at it.

The horn wire will go to ground when you honk it.

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Posted By: pitdawg
Date Posted: April 01, 2008 at 3:17 PM

ok so i test all the connections... how do i know what wire it is.. Im sure the meter wont say this is the wire you need... stick with me.. Im a lil confused, I need detail. thanks again for your help..

Posted By: pitdawg
Date Posted: April 02, 2008 at 12:53 PM

Can anyone else help me i dont think that guys coming back..

Posted By: another-kelly
Date Posted: April 02, 2008 at 6:45 PM

go buy a digital multi meter and test for continuity to ground on the proposed black wire when honking the horn