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Hey just wanting to know how anyone else with one of these has wired it up. I have a set of EL thermos in and have wired up the STC differently to the instructions. It says to wire up the fan signal wire to the ecu but since I have aftermaket fans I have ran the wire directly to the fans via a relay setup.

Now the temp signal into the controller is via the ecu where it utilises the stock temp sender as I have used the provided temp sensor which is used for the oil temp. The switches on the back have been set to the Nissan setting aswell. So I set the fans to kick on at 80 degrees to test and once it reaches that... nothing. I used my test light and found the is no power coming from the fan signal wire (white) straight from the controller... I just wonder if it is stuffed or im doing something wrong... it was new out of the box too.

I have also tried wiring up from my temp sensor for my water temp gauge up to the controller but that was doing something weird with the gauge and didnt work. I also set the swtches on the back to the right setting for use with a temp sensor.

Any ideas as whats going wrong?

scrap the entire fan controller.

On the bottom RHS of you radiator is a fan switch which triggers once water temps pass 90 degrees, this triggers the aux fan that sits in front of your radiator.

Now, what you want to do is replace that fan switch with one that triggers at a lower temperature and the perfect on would be from a misubishi lancer or mirage 1.5L which triggers at 82 degrees.

use that a parallel an extra negative trigger wire into your relay setup. Easy.

I wish it was that easy but its not. I put a 52mm alloy radiator recently and from that the clutch fan had to have about 3mm ground from the end of the blades as it hit the radiator. Worst thing was the shroud could not be used at all so thats what made me go thermos... that and my aux fan has never worked!

For now I have just wired the fans upto a switch but would like to get the controller working... just wanting to know if anyone else has wired these things direct to thermos before and how they did it. The only thing I can think of that its stuffed... but everything else is working?? Cant understand whats wrong.

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