Just follow the cable,you will lose radio and need the key code and re program central locking remote and window one touch,pasenjer head light out battry out battry tray out passenjer kick panel out fuse box remove bonnet releas handle, i usualy cut inner cable and pull out but dont pull all the outer cable out use this to pull new one threw, then strech old outer cable end so it opens in a spirel,twist the correct end of new inner cable into the old outer cable then slowley pull and feed so old comes out as new goes in by the way it is a sod to do sorry,
Steve s, May 2012