dei 520t 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=113544
Printed Date: June 04, 2024 at 12:40 PM
Topic: dei 520t backup battery
Posted By: jcs091570
Subject: dei 520t backup battery
Date Posted: May 02, 2009 at 3:34 AM
I have this module installed with my alarm system and to spec. I went to test it today and disconnected the power to the battery and noticed that the siren does not chirp or sound as load as when connected to battery. The lights will flash somewhat dimmer. I also tried arming and disarming the system with my remote when it was disconnected and it was having a hard time communicating with the system. Is this normal or do I have a bad ground possibly? Too many things connected to the alarm for the backup battery to handle? The 520T only a few months old and tests at 12v on meter. Thanks
Replies:
Posted By: JWorm
Date Posted: May 02, 2009 at 9:06 AM
The parking lights should not flash if you disconnect the battery and trigger the alarm. I could tell you how to wire it, but you didn't say what you have for a vehicle. Did you use a (+) or (-) output on the alarm for parking lights. You should only use negative when using a 520T.
Posted By: Chris Luongo
Date Posted: May 02, 2009 at 5:41 PM
Even though I've installed just a few of those, I was thinking the same thing.
That small battery wouldn't have enough power to flash the car's lights for very long at all.
You definitely want it set up so that the battery only serves to provide power to the alarm, and the siren, and nothing more.
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