Hi All does anyone know the part no for the stilo tailgate micro switch ,mine is doing my head in i use car for deliveries and the damm thing keeps opening ..its only started since the heavy rain.. took the rubber off and blew it out with airline but it still keeps doing it ...many thanks in advance Anne

Have a read of this thread, posts on page 2 may be helpful. The tailgates are a similar construction.
https://www.fiatforum.com/multipla/148223-multipla-boot-lock-its-permanently-locked.html

Here's the complete handle including the microswitch.
http://cgi.ebay.co.uk/FIAT-STILO-TAILGATE-HANDLE-SWITCH-/190465248446?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2c589d0cbe