All tested and all sorted.....so much for the ABS Control Unit and £840 that the Stealers wanted!
Very easily identified once the undertray was off, 2 crimps and a short bit of wire was all that was needed, i'll get under there and solder it at some point.
It's amazing what a little bit of knowledge sharing and forum community can do, saved a lot of money in my case.
Credit to DIFT for pointing me in the right direction and muddyboots for posting the solution.
I can start enjoying the driving the car for longer than 10 minutes now, that little light was well annoying but it has finally gone