relay coil with diode, terminal polarity?

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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=114805
Printed Date: May 13, 2025 at 7:31 PM

Topic: relay coil with diode, terminal polarity?

Posted By: sundancer268
Subject: relay coil with diode, terminal polarity?
Date Posted: July 02, 2009 at 5:59 AM

I have a relay that has the diode built in across the coil.

I need to know if the 85 or 86 terminal should be the positive terminal and which should be the negative.

Thank you.

Replies:

Posted By: i am an idiot
Date Posted: July 02, 2009 at 6:15 AM

85 is ground.

Posted By: sundancer268
Date Posted: July 02, 2009 at 4:58 PM

Thank you.

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