Originally Posted by cossie_pol
the relay is clicking and have changed it for another ford one which does the same and have also checked the fuse and this is ok.
so has it got to be the wiring from the relay back to the fans or is there something else i could try??
many thanks
Dave
The fact that the relay is clicking suggests that the relay is working (ie switching) and the fan switch is OK, but that you've lost the 12V feed that should between the battery to the relay, or between the relay and the fans, or betwen the fans and earth. Time to get your multimeter out.