My 2011 Fiesta has problems with the heated rear screen elements one at the bottom and two (the most important two!) in the middle do not work. Obviously there is some sort of break but what is the easiest way to test and fix the problem?

i have noticed that one of the elements has a section about 2 inches long that feels slightly rough and if you look at it from the outside, that section is a darker colour, so I assume that is the dodgy area. But the other two elements don't have such obvious characteristics.

You used to be able to buy conductive paint to repair the elements in rear heated screens. You painted it on to the element with a fine brush to remake the circuit. Don't know if its still available.

Try Maplins for the paint they d stock it at one time

Thanks

Try this

http://www.maplin.co.uk/search?text=Electro+conductive+paint&x=0&y=0

There are quite a few there to chose from I have used the silver one in the past works well