Lost Central locking key fob

Hi all,
I have a 1998 20v nt. Lost my remote key fob for Central locking. So thought I'd buy an ebay special (Bighawks)replacement kit. So after staring at the very poor wiring diagram for an hour or so. I thought i would ask Mr Google and found this community 😊 so here I am. Any tips on fitting or other solutions to the lost key fob would be appreciated.

Cheers

This will help
Clicky
Shows the wiring details.

Good luck and welcome.

Thank you bud. I will have a go this weekend. I will post the results when it's done. Fingers crossed