Restore the original Pole Classic 2002 Electroventilers

I have a Volkswagen Polo Classic 2002 Motor 1.6, the person who sold it to me made several adaptations between it eliminated the original temperature system (electro fans and radiator) and the original temperature valve located on the radiator the replacement for a universal, now I would like to restore all this to its parts and original system for which I need your help, already bought the control module of the electros From the radiator, I would like to know if only by replacing these two spare parts would be enough or something else should be taken into account for thanks ...