climate control issue

Hey all,



Just after a little advice if possible, I have an mg zs diesel with climate control fitted. The problem is the is no fan movement when you turn the fans on. The previous owner has bodged in a switch which just turns the fan on but it has no heating control which means with colder weather faster approaching I can't get any hot air.



Anyone know how much a replacement unit would be and how tricky they are to swap? Thanks in advance!!!

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