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Qs on adding siren to horn output

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=20144
Printed Date: July 18, 2025 at 4:13 AM


Topic: Qs on adding siren to horn output

Posted By: meanbean
Subject: Qs on adding siren to horn output
Date Posted: October 15, 2003 at 2:12 PM

I am trying to add a siren to my factory/OEM alarm and note that there is only a pulse horn output available.  When I have the siren connected to this output, the siren is coming on/off with the horn and is not continuous like a "normal" siren.  I would like it so that the siren will remain continuous, so I can hear all of the tones cycle through, and the horn to continue to honk (on/off).  If I connect a Constant to Momentary Output relay, as shown in the Relays: Special  Applications, will this work for me?  Thanks for the help.




Replies:

Posted By: auex
Date Posted: October 15, 2003 at 5:49 PM
It wouldn't work for this application because once it would turn on what would turn it off? What brand of alarm is it, other then factory?

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Posted By: meanbean
Date Posted: October 15, 2003 at 11:50 PM

Can't find any makers on the BCU to note brand but it is the OEM alarm found in a 1999 Nissan Maxima.  Do you have any suggestions that might work for me  to get this siren hooked up?






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