Do you know why you're getting unhelpful posts? I'll give you a hint. No offense meant, however, it's because you act like a cocksure punk who thinks he knows it all. Your first post contains assumptions that you expect us to take at face value, and, more importantly, doesn't include all the relevant information we would need to diagnose your problem. Add in the fact that your English is less than flawless - which we might excuse, assuming that it wasn't your primary language, except for the fact that you don't use any capital letters, either, and I'm not aware of any alphabetic based languages that don't capitalize sentences. On the internet, where text is our only method of judging your character, this presents the image of someone who is lazy and doesn't logically think things through.
There is a link in my signature, that explains how to get free help from experts on the internet. It would be well worth your time to go read it.
So, on to your problem.
Your AC aux fan is coming on, and you don't think this is right. Firstly, we need to determine whether it should be coming on or not. It should come on if the coolant temp is above a certain point, or if the AC is on. If either of these is the case, it's operating as designed. Therefore, we ask you to check that the AC is off, and as we know that the stock temperature gauge is notoriously inaccurate, we ask if you have an aftermarket gauge. You do not have one, so we have to abandon this line of investigation.
Your mention of changing to an electric fan raises a red flag, as there have been hundreds of examples of members going this route and causing problems with the cooling system. You say it 'work perfectly', yet don't explain how you come to this conclusion. You also mention you have a fan controller, and claim that it works great as well, however, again, there isn't any explanation of why. You ask if you have the wrong thermostat, then don't know which one you have.
At this point, we have basically stopped caring.
Nobody has even asked you whether this problem occurred before with the stock clutch fan, how much power the engine is making, whether the fan you are using has a shroud, if your engine bay still has the stock undercover, what radiator is installed, what electric fan you are using, how it is wired, or any details of how you mounted the temperature probe for your fan controller.
Bottom line, you have modified the cooling system on a car that lives in Florida, where by all reports it's relatively hot out most of the time, and now it is showing signs of overheating. How exactly is this a surprise?
