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Ground interrupt

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=32367
Printed Date: August 25, 2025 at 10:51 AM


Topic: Ground interrupt

Posted By: hillbilly71
Subject: Ground interrupt
Date Posted: May 18, 2004 at 10:28 PM

I am looking to momentarily  interrupt a ground wire by using a relay with a ground input. It doesn't have to have a ground input to the relay but it would make it easier.



Replies:

Posted By: bxscig
Date Posted: May 19, 2004 at 1:21 PM

Use a relay and connect the ground u want to disconnect to that relay's NC pin and then trigger the relay pin 85 with the ground while 86 is +12Vs.  pin 30 would be the ground u want it connected to.  that will break it as long as the relay is activated.


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