yeah we changed the blade part of the key to match the barrell but the black plip bit is the new part, the break in the wire has been fixed now(to my knowledge) and the red light comes on when u turn it. so what ur saying is if there was a break in the wire the red light wouldnt come on so that kinda eliminates that, and it must be down to the key, fuse or earthing points. ive had 1 guy from renault try coding the key the first time then another guy tried doing it with all the codes i had from matt but still the same problem so ill try another diagnostic company, 3rd time lucky! thanks for the help.....