Citroen XM radiator thermocontact

Hello everyone;
I have a Citroen XM 2.1 Automatic TD of the year 2000 and I stopped working the radiator fans, trying to locate the fault, I saw how a relay was molten and proceeded to their change, but they continue to work.

On the Internet I saw that the fault could be in the radiator thermocontact, but I have no idea where it is.

I would appreciate if someone could tell me their location in this car and how to distinguish it, because I have tried to see if there was a workshop book of the XM but in Spanish there is not and English ... or potatoes.

Thank you very much in advance.

Edu

Normally I should bring it on the radiator on the left side or in the butt near the thermostat check the connector where you change the relay may be that the terminal is burned and there is no pier