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auxiliary output problem with alarm brain

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=97296
Printed Date: November 04, 2025 at 3:17 AM


Topic: auxiliary output problem with alarm brain

Posted By: missionarymike
Subject: auxiliary output problem with alarm brain
Date Posted: September 20, 2007 at 12:45 PM

I have installed a simple alarm system on an enclosed cargo trailer.  1 aux actuates a relay for outside lights, 1 aux actuates a 2nd outside light circuit.  when i turn off the inside toggle switch it automaticaly turns on both aux outputs.  it is not an every time occurance.  i believe this might be a diode, resistor problem on the grounds but im not sure.  everything works perfect and all the circuits are isolated by relays, i have 14 different relays installed.  I think the latching relays that im using are super sensitive and the ground pulse from the disengaging relays sets them off.  what do you guys think.



Replies:

Posted By: hotwaterwizard
Date Posted: September 21, 2007 at 10:28 PM

You might put a protection relay and a capacitor across them to Absorb the serge.

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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !


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