could be contact in sockets dirty. Don't have ignition on when cleaning them and suck out the crap with a vaccum cleaner. I think they are push fits in the consul (I have a Peugeot Partner a flash version of Berlingo) check current to the sockets using 12v car neon tester. No current then fuse.
bob uk
May 2018
Sounds like fuse has blown
Roger
May 2018
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