just get some bullet type crimps for somewhere like Maplins for a couple of quid and a tool to fit them onto the cable if you chop the old ones off.
like these for example, perfect fit:
http://cgi.ebay.co.uk/BLUE-Female-Bu...item4a9b25409a

this is a cheaper tool for costs sake:
http://cgi.ebay.co.uk/CRIMP-TOOL-CRI...item2a06a8c57d

you can get ratchet crimping tools, but cost a bit more, worth it though.