Probably easier to buy something like this and then just take a male pin out to use. http://www.ebay.co.uk/itm/5-Pin-Kit-Waterproof-Connector-Tyco-AMP-Superseal-Car-Truck-Boat-Electrical-UK-/322018074091?hash=item4af9c5ddeb:m:mwjhRlxr_3iTr9e-bkM5KvA
If anyone is local to me I don't mind doing the wiring mod for you.