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Discussion Starter #1 (Edited)
I wonder when the small Electric Auxiliary fan on the radiator should kick in on Turbo Supra's. I know that my big fan works all the time once I start the car. Any body knows when that small fan should kick in, should it start working once you start the car or once it gets really hot and it kicks in to help cool it down.

Thanks in advance,
-Vitek
 

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fan turns on when:

(ignition is on) and [(compressor is running) or thermatic switch is off)]

thermatic switch is normally closed, therefore it is fail safe and you can make the fans run all the time by unplugging the thermatic switch in the bottom of the radiator

switch is on when temp < 92°
switch is off when temp > 100°C
 

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what about the radiator fan on the outside? I was putting my FMIC on the other day and I had to install a Spal fan instead of the old fan and it doesn't start up. I'm wondering if it's broken or not.
 
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