A 'normal' heated screen has the up and down elements in the glass it self, if you look at it at the right angle you can see them, with the connection points either side, a single male spade on each.

that screen you have looks like it is using a system similar to the rear screen, the 'stick on' element that heats and will gradually spread up the screen. It is probably something that you can buy from a good motor factors TBH and stuck on. All it will do is quicken up the defrost/demist untill the heater gets hot enough to take over.

wiring should be fairly easy, couple of relays, time delay switch?


The BEST way if you want a heated screen is to get one of a 90 spec MK4, then search the scrappies to find a car with all the wiring