what year prelude is this from ?

This is a pic of a Prelude A/C heater and fan control in a CRX

http://www.cardomain.com/member_pages/show_image.pl?bg=FFFFFF&image=http://memimage.cardomain.net/member_images/12/web/3024000-3024999/3024298_14_full.jpg

Also, how hard would it be to wire it up to CRX like that ?