Has anyone changed the broken wire

or know how to go about it.

There's a couple of youtube videos worth a look
https://www.google.co.uk/#q=changing+the+wire+on+a+garage+door

thanks, will take a look.

some more here

.
https://www.google.co.uk/#q=changing+the+wire+on+a+garage+door+for+complete+fookwits

Its a bit tricky, might have to go carefully.

garage wall too close to wire cone to allow cone to come off!

Have you thought about wearing the cone....may look fetching?

Be careful, when i watch a film and their is a scene involving a garage door it always ends in death of some nasty sort.

Thinly veiled, "I have a Garage"

http://www.garagedoor-spares.com/technical-guides/for/monkeys

automatic doors are the way forward

https://www.youtube.com/watch?v=ypYNRZN90vs