mgf fan switch location

Hi,can anyone tell me where to locate the fan thermostat switch and relay on mgf 1.8 vvc,2001,y reg.Car is overheating and water bubbling in expansion tank and fan is not coming on.I thought it would be worth testing these before lookin into other possibilities.Any advice would be greatly appreciated.Cheers .Ray

Try http://www2.mgcars.org.uk/cgi-bin/gen5?runprog=mgbbs

Thanks,i will try them.Ray