If I were you I'd clean all of the electrical contacts first and see if that helps. Do the easy and cheap first! It won't be a fuse problem - as in a blown fuse - if it works intermittently. You might need to clean up the contacts on the fuse though...

__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!