DIY junkyard electrical fan controller

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-I am not the original creator of this work but it is a great cheap DIY way to use a controller to control your electric fan setup so im putting it out there for more people to be able to see and use.....
-You basically Use a dual temp switch from a BMW
-http://www.rockauto.com/dbphp/x,catalog,402,partnum,8575,d,Original_Engine_Management_8575.html  for 180/195*F
-https://www.rockauto.com/dbphp/prt,107,61311378073   for 195/210*F
-Then a dual fan relay controller from a volvo.  The referenced material says 94-97 model 850
-The material also has schematics too to show you how to wire it if you can't figure it out
-Hopefully this helps anyone looking for a cheap and effective way to control an electric fan so you don't have to worry about it.  Most people would wire it off the ignition switch or a separate toggle but this way on a hot day if you stop the car and shut it off the fan will be able to stay on until the coolant is cool enough and the fan wont turn on until the temp is high enough which will help the motor warm up quicker.  I plan on getting the parts together to do this in a couple weeks on my Oldsmobile cutlass.
-References...
-http://www.nastyz28.com/forum/showthread.php?t=200028
-http://www.nastyz28.com/forum/showthread.php?t=192920&highlight=volvo
-..... i don't think forums are copyrighted? if they are my apologies and i will remove the links.

Latest revision as of 08:04, 23 December 2024