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Radiator fans not working properly

Tiny
KYLE LG
  • MEMBER
  • 2006 MITSUBISHI LANCER
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 131,000 MILES
My radiator fan on the drivers side will turn on with the A/C but not the one on the passenger side. Also, I don't see fans turn on by themselves after I've let it run for awhile. I have applied power directly to both fans and they work fine. Do I need to change a relay or the module for the passenger fan?
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Saturday, September 7th, 2019 AT 4:30 AM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Yes, I would test both the fan relay and fan controller.Here is a tutorial showing how to test a relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

I've attached pictures below showing their locations.Hope this helps and thanks for using 2CarPros.

Danny-
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Sunday, September 8th, 2019 AT 2:09 PM

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