Relay for siren 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=70997
Printed Date: May 14, 2024 at 1:43 PM
Topic: Relay for siren output
Posted By: rdlybeck
Subject: Relay for siren output
Date Posted: January 17, 2006 at 6:47 PM
My siren is getting 2.46 volts when remote start (this means I hear the siren but it is quiet) It was suggested to try a relay in the siren output to try to get rid of this. Does anyone know how I would wire this relay? I want the siren to still go off when an alarm is activated but I don't want to hear the siren when remote started.
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Ryan Lybeck
"Wiring diagrams are nice but still double check with DMM"!
Replies:
Posted By: sparkie
Date Posted: January 17, 2006 at 7:01 PM
The relay may fix the problem, however unless there is something really wired incorrectly you shouldn't get any voltage on the siren wire when remote starting. If you try the relay hook terminal #85 to ground. Terminal #86 to the siren output of the alarm. Terminal #30 to a fused 12 volt + battery source. Terminal #87 to the siren's positive input.
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sparky
Posted By: rdlybeck
Date Posted: January 17, 2006 at 7:10 PM
I don't understand why it is doing this. I have a post in the alarm section that several people have tried to help with a ground problem. But I've determined this is not the case. There is only one output wire comming from the system to the red wire of the siren. Then the black wire from the siren is connected to the negative terminal of the battery. So I am going to try a relay this week unless I figure something else.
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Ryan Lybeck
"Wiring diagrams are nice but still double check with DMM"!
Posted By: rdlybeck
Date Posted: January 17, 2006 at 7:20 PM
How many amp fuse should I put on the relay?
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Ryan Lybeck
"Wiring diagrams are nice but still double check with DMM"!
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