Or try here:
http://www.vehicle-wiring-products.eu/se...d107e927a9e4918

There are lots of purveyore of vehicle connectors. Some are waterproof - I used one on Bumble's speedo leads.
http://www.autosparks.co.uk/index.php?cPath=94


DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4