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Radiator fans only turn on at very hight temp

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audiodan

Probationary Member
22
0
Apr 25, 2005
Huntley, Illinois
Ok I was hoping to avoid posting a new thread but I've searched and can't really find an answer for my problem. I have a 2" aluminum radiator with 2 slim fans with shroud. I have the fans wired off the HI/LO+ from the passenger side harness and everything worked fine up until a few weeks ago. Normally the temp needle sits just below halfway when up to temp and the fans would go on and off keeping it at the temp. Now the needle will go to that position, sit there for a little while, then start to climb and only when the needle reaches a little more than 3/4 of the way up will the fans turn on. This happens regardless if its idling or driving. I guess I could wire them up to be on constantly or off a switch but I'd prefer them to turn on the way they were intended. I've checked fuses and relays already. Any ideas?
 
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