how to connect many sirens to relay
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=113106
Printed Date: September 13, 2025 at 2:06 AM
Topic: how to connect many sirens to relay
Posted By: jeradmp
Subject: how to connect many sirens to relay
Date Posted: April 13, 2009 at 10:20 AM
can anyone help me out... how do i connect 3 dei 513t mini piezo sirens and 3 dei 514n sirens together and wire them to my python 700 brain? and also are the dei 509u and dei 508d, plug-n-play?
Replies:
Posted By: t&t tech
Date Posted: April 13, 2009 at 10:25 AM
A standard single pole double throw relay connected like this, pin 30 to constant 12volts- fused at ten amps pin 85 to permanent ground pin 86 is connected to siren output of alarm pin 87 to all the sirens hot wire. -------------
Posted By: t&t tech
Date Posted: April 13, 2009 at 10:27 AM
also i'm not familiar with the unit you have but on most dei units the 508d is plug n play, i'm not sure about your 509u, someone else might help out there.
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Posted By: howie ll
Date Posted: April 13, 2009 at 12:51 PM
What's a 509? If it's a sensor, they can be parallel wired to a single port. The blue and orange wires should be dioded before joining with the bands away from the alarm. Why so many sirens? You would have to add at least two more just to double the sound pressure, a single set of air horns would be more advisable if you want to hear it.
Posted By: jeradmp
Date Posted: April 13, 2009 at 2:34 PM
ive already got everything here, i just need some guidance. i have 3: dei 513t piezo siren and 3: 514n soft chirp sirens 520t back up battery 509u ultrasonic air pressure sensor 508d prox sensor 507m tilt sensor 506t glass break sensor. my alarm brain has 2 additional ports for the 3 prox sensor, glass break sensor, and ultrasonics air pressure sensor... i just need to know how to wire 3 sensors into 2 ports
Posted By: howie ll
Date Posted: April 13, 2009 at 5:17 PM
See my post above and read it again. The sensors themselves should have these instructions in the packaging.
Posted By: jcs091570
Date Posted: April 16, 2009 at 1:11 AM
I would honestly stick with the tilt sensor, prox sensor, back up battery, one internal siren and 2 external. There is no need for a glass breakage sensor given that the prox sensor will initially trip warn away if someone is close to your car, secondly if they do break the glass and reach in the vehicle they will trip zone 2 full alarm on the prox sensor. The 509U works similiar to the 506t glass sensor. it will sense the pressure change upon breaking the glass..where as the 506t uses frequency detection of glass tampering. I guess you have to decide which one you want. This will eliminate your dilemma. Personally I have the 508d prox sensor. The blue wire from the 508d is tapped into the green of the same harness thus freeing up a blue wire to the brain, which is what I connected my tilt sensor to. Having one internal siren should be fine. 2 external works for me. I have one under my front headlight, and the other under the rear tail light up in the bumper. Both inaccesible.. but if for whatever reason one gets eliminated, they still have one more to get to. Too many sensors and too many wires can be a headache if you have problems down the road, false alarms, and of course more wires a thief can trace back to you brain and dismantle it.. that is if they are good and know what they are doing. Just my thoughts from experience.
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