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Relay Buzz

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=54220
Printed Date: May 08, 2025 at 9:06 PM


Topic: Relay Buzz

Posted By: hawkinstaller02
Subject: Relay Buzz
Date Posted: April 19, 2005 at 12:05 PM

How can I get rid of a buzz from the relay as voltage drops from pin 85??

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Did that work???????
-Installer-



Replies:

Posted By: Ween
Date Posted: April 19, 2005 at 12:21 PM

add a capacitor (2200uf or so) across terminals 85 and 86, observe polarity.  and also add a small diode (1N4001) in series on the terminal 85 lead (band towards the relay).

mark


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