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splitting rcs with relays

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=135244
Printed Date: May 14, 2025 at 2:42 PM


Topic: splitting rcs with relays

Posted By: hondaguy48891
Subject: splitting rcs with relays
Date Posted: November 09, 2013 at 1:45 PM

Hello all,

I have been trying to figure out a way to transfer signal from RCA jacks to go through a line drive then to the amp whena switch is flipped and if I don't want to use the line driver I can shut it off and listen to the sound system normally. Any information or diagrams will be helpful. Thanks in advance



Replies:

Posted By: i am an idiot
Date Posted: November 09, 2013 at 8:37 PM
One relay per channel.
30 to the input of your amplifier. 87A from your deck. 87 from the line driver. Whenever you energize the relay by placing 12 volts across 85 and 86, the signal from the line driver will get to the amplifier. With no voltage across 85 and 86, signal from the deck will get to the amplifier.



Posted By: hondaguy48891
Date Posted: November 10, 2013 at 7:49 AM
Won't I need 2 relays per channel since there is a a signal and a ground per channel? And should I have to worry about any signal interference?



Posted By: the12volt
Date Posted: November 10, 2013 at 10:26 AM
The RCA grounds are common. Leave them connected. No need to switch them.

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Posted By: hondaguy48891
Date Posted: November 10, 2013 at 1:05 PM
Thank you


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