Hi Laurens
I remember that someone faced as well such a kind of issue. His problem was caused by a weak connector at the fuse box. Have a look in the manual to identify, which fuse is related, then check the if the cable connector is still tight or may have slipped down.
Best regards
Kurt
M3W willow green,Triumph T100,KTM LC4 Adv./Freer.250R, RD250/RS125DX, Alpine A110
Kurt
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