Originally Posted by
the windscreen man
What kind of trouble are you having exactly bud ? If it doesn't blow hot then chances are it's the "heater control valve" under the wipers that's knackered (if your car has one ?). £20, an hour to replace, google it.
that is exactly what the problem was,the solenoid on the heater valve was knackered.
i connected the new part up and it worked perfectly with a good click then tried the old unit and it was silent.
got a nice warm toasty fiesta now