Relay not staying energized

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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=38604
Printed Date: July 05, 2025 at 5:47 AM

Topic: Relay not staying energized

Posted By: aawhyte
Subject: Relay not staying energized
Date Posted: September 04, 2004 at 8:41 PM

HI all, first time poster....

I am trying to wire up my fog lights. Simple right? I have everything wired up correctly and when I throw the switch the relay coil energizes for about .5 second and then cuts of. Basically it doesn't stay latched. I have checked the power on the relay socket at 86 and I have the 12V when I turn on the switch. I have swapped the relay out with two others with the same result. Anyone every have this problem, a search can up with nothing.

Thanks,

Alex

Replies:

Posted By: drvnbysound
Date Posted: September 04, 2004 at 9:05 PM

Post what all your connections are at the various pins of the relay?

You should have:
Constant 12V at 87
Either 85 or 86 should be grounded
12V going into your switch, and then to the other
terminal either 85 or 86
Pin 30 going to the lights

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Posted By: aawhyte
Date Posted: September 04, 2004 at 9:41 PM

Hi, Thanks for responding back.

I jumped the gun and posted before I started a little troubleshooting. I was trying to hook up a factory fog light switch with my newly wired fog lights. It turned out that I had to reverse the connections on the switch to get it to work. I was trying to wire it up like it was in the manual, but with my wiring.

Thanks again,

Alex

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