I agree with Mar1k, not that hard ( i did it a few weeks ago in the car park at the sally with a steak knife and second hand sticky tape)!!!...
it was a data tool veto evo 3, imm/alarm.
like Mar1k says, your originals will be colour coded (the alarm ones will all be black) , simply trace them back and snip/join again.
took me half an hour?.......
what bike and where do you live? can you get it to Tidworth if you get stuck???....
jaydee.