factory fan relays

Information on the naturally-aspirated KA24E and KA24DE engines.
chris1212
Posts: 128
Joined: Mon Nov 14, 2011 5:17 pm
Car: 1996 240sx

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Hey guys why can't we just hook the dual fan ground wire to a ground and the other to #3 terminal witch is normally open on the hi radiator fan relay. this way it will close loop when energized and send power to the fans?


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Razi
Posts: 28681
Joined: Sun Dec 31, 2006 9:52 am
Car: Moo

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You mean so the 2nd fan kicks in when the relay kicks in?
You could do that, but I believe the factory electric fan kicks in at like 210 degrees, seems a bit too high for me.

chris1212
Posts: 128
Joined: Mon Nov 14, 2011 5:17 pm
Car: 1996 240sx

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both of my fans are wired together. so both come on at the same time. and i've had an issue that occurs from time to time. if let the car idle for a long period of time and then start off down the hiway,the temp will go very high and then drop back down. so untill you just mentioned that they come on at 210..i had no idea. but as of now i have my lil autozone temp pen stuck back on the radiator and i think i found a sweet spot since theres no number setting. why is the factory relay setting 210?

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Razi
Posts: 28681
Joined: Sun Dec 31, 2006 9:52 am
Car: Moo

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The clutch fan is very efficient, so the electric fan is only there for when you turn on the A/C, and incase of overheating emergency.

chris1212
Posts: 128
Joined: Mon Nov 14, 2011 5:17 pm
Car: 1996 240sx

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I guess we mess up when we take things off to try and get a neater apperance. that fan really served a perpose.guess i'll be putting the clutch fan back on or buy another one if i can't find my old one

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Razi
Posts: 28681
Joined: Sun Dec 31, 2006 9:52 am
Car: Moo

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I ended up going back to a clutch fan as well. I'm guessing the more affordable electric fans don't pull as much air as our stock one.


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