Siren stays on? How do fix?

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=23381
Printed Date: April 28, 2024 at 2:49 PM

Topic: Siren stays on? How do fix?

Posted By: J15BIG
Subject: Siren stays on? How do fix?
Date Posted: December 26, 2003 at 6:54 PM

I drove up the other and night, got out of my truck and locked it with the factory remote like I usally do. As I was walking I notice the siren on my truck is going off, but its at a very low volume. I tried to arm then unarm the truck and when the lights blinked, the siren got louder, but when they went off, it got quiet again. Whats going on? I left it because I thought maybe something got wet and if I let it dry over night it will fix it self but it never stopped. Finally I just unplugged the battery. So two days later I comer back to the truck and plug the battery in, hoping that the alram doesnt do what it was doing...it still is. So my only option was to cut the + wire from the siren. How can I fix this? Is it bad wiring? Did something get wet? Whats the deal? I have had this alarm for almost two years now, and this has never happened.

Thanks.

BTW,

Its an audiovox alarm/remote start unit.

Replies:

Posted By: lspker
Date Posted: December 26, 2003 at 7:18 PM

Check the ground on the brain unit. If the ground has comes lose or dirty, the brain tries to draw ground through what ever curcit it can.

Posted By: Teken
Date Posted: December 26, 2003 at 8:04 PM

What is the current voltage reading of the vehicles battery?

Regards

EVIL Teken . . .

Posted By: alarmpro
Date Posted: December 26, 2003 at 8:57 PM

Most likely a bad ground... pretty sure...

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Posted By: auex
Date Posted: December 26, 2003 at 9:17 PM

It does sound like a ground to me.

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Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

Posted By: J15BIG
Date Posted: December 27, 2003 at 3:33 PM

so I should check the main grounds from the brain?

Posted By: Teken
Date Posted: December 27, 2003 at 3:39 PM

J15BIG wrote:

so I should check the main grounds from the brain?

You should check ALL the grounds that pertain to the alarm system, and the siren.

But start with the battery ground terminal first. Simple things such as loose or dirty contacts. If the system continues to give an off sound when arming, varify the battery voltage is at 12.80 VDC

Do a simple test on the siren as well, to see that it is not about to fail either.

Remove the siren and connect it to the battery directly, if you let it sound off for 2 minutes continously, and the sound / pitch does not alter than you can rule this out as being one of the faults.

FYI: Use ear protection at all times, when sounding any siren device.

Regards

EVIL Teken . . .