fan not working relay
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=17871
Printed Date: July 23, 2025 at 4:00 PM
Topic: fan not working relay
Posted By: ekDRIFTER
Subject: fan not working relay
Date Posted: August 20, 2003 at 7:31 PM
Hey guys...im paranoid about the overheating my engine.
- i would like the wiring diagram for a relay that would activate an LED or BUZZER for when my radiator fan stops working. i have my fan on all the time.
thanks in advance,
john
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Keep it sideways...
Replies:
Posted By: EvernhamMS
Date Posted: August 21, 2003 at 10:43 AM
Why not just install a temp gauge with a numerical readout?
Posted By: jdbgmo
Date Posted: August 21, 2003 at 9:18 PM
Hes right, I will see that on my temp guage. But you can rig an LED light next to the switch in the car so you will see it and not forget to turn it off when you park. I have left mine on a few times and should do that. Some of these fans will drain your battery quick. Mine only draws 10.8 amps though. wire the led so its only hot when the fan is on, thats it I think. But I'm a newb, so dont take that as the gospel. I am trying to learn more here.
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