backup siren or backup battery?

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=31584
Printed Date: July 29, 2025 at 1:37 PM

Topic: backup siren or backup battery?

Posted By: Pooreclipse
Subject: backup siren or backup battery?
Date Posted: May 04, 2004 at 2:43 PM

I want some kind of backup system.. it's still too easy to pop the hood and cut the battery.

What do you think.. is less maintainence or more effective.

I have a backup siren it has 4 wires I don't know how to hook it up or how it's supposed to work, I think it's same as the DEI backup siren.

Also looking at DEI 520T, how does it work? Does it just hook to the 12V going to the brain and ground to a point of the car?

Replies:

Posted By: chriswallace187
Date Posted: May 05, 2004 at 12:17 AM

With the 520T, you run the alarm's power wire directly to it, and there's another power wire that goes from the 520T to the car's battery. The 520T also has its own ground wire.

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