Need Negative from Missing Power

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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=59783
Printed Date: November 06, 2025 at 5:12 PM

Topic: Need Negative from Missing Power

Posted By: jfwynn
Subject: Need Negative from Missing Power
Date Posted: July 20, 2005 at 7:24 PM

I have a automobile application that requires a ground present when the ignition is OFF and an open circuit when the ignition is on. Any ideas or help would be appreciated!

Replies:

Posted By: chungo
Date Posted: July 20, 2005 at 7:28 PM

85= ign

86= ground

30= ground ouptut when ing off

87a= ground

87= empty

Posted By: jfwynn
Date Posted: July 20, 2005 at 7:31 PM

Thanks for the quick response! How about the same situation with a double throw so I can have 2 ground outputs when ignition is off?

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