Next to the waterpump on a clevo is for the temp sensor that goes to the dash,
The threaded hole on top of the thermostat housing is 3/8" Gas, Tridon thermo fan switch will fit straight into there,
A TFS110 will turn fans on at 85°C & off at 80°C & TFS111 is on at 95°C & off at 90°C.
simply run the ground wire from the relay to the TFS. I run this on the Clevo my Black ute