battery backup siren

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=19160
Printed Date: May 15, 2025 at 12:06 PM

Topic: battery backup siren

Posted By: sordee
Subject: battery backup siren
Date Posted: September 22, 2003 at 1:37 PM

I have a Fusion battery back up siren (FBBS). I have no instructions forit. There is four wires Red, Black, Blue and White. If anyone has an idea of what wire is what,that would be very helpfull.

Thankyou.

Replies:

Posted By: floaterr
Date Posted: September 22, 2003 at 2:53 PM

If the red is fused and no one responds. Here's what I would try.

Connect the red to a constant (sit it on the battery till you finished testing). Negative to ground.

Probe the other 2 wires. One should be putting out 12v the other with go negative (or is it positive?) when the red is disco's.

Should be
red - constant
black - gound
blue - neg output to trigger alm
white - probably to the alm's red wire. (throughput).

Posted By: auex
Date Posted: September 22, 2003 at 4:24 PM

I would think that the White wire would go to the alarm's siren output.

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Posted By: tcool
Date Posted: September 23, 2003 at 12:04 PM

I have a similar battery back-up siren that is wired as follows:

Red- +battery constant

Black- -battery constant

White- + positive siren input from alarm (brown wire on most alarms)

Blue- - negative siren input from alarm (Most new alarms do not use this)

You can check your alarm instructions and it will tell you whether the siren output is positive ( +) or negative (-)

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