hi i brought a Mugen fan switch and thermostat for my 05 s2000. can anyone can tell me where 's the fan swtich located.thanks

 

I believe it's at the bottom of the Radiator, it's attached to it. It senses the temperature, then it determines when to kick the fan on. Someone correct me if I'm wrong.

 

Yes, if you are standing in front of the open hood/engine bay, the fan switch is threaded into the bottom right corner of the radiator, facing the firewall. Look for the electrical connector plugging into the back of it.

The thermostat on the other hand is a bit more hidden. You'll have to get underneath the intake manifold to see it bolted to the block.

Get some coolant too because your gonna lose a bunch........no matter how fast you are with switching these out.

-Hockey