Hello,
many thanks for all the nice replies. The dimmer is working for sure. But I have to check the earth connections and the fuse box inside the car. The fuse box in engine compartment is covered by storage box and well protected against water. The dimmer is working fine that is for sure. It all seems to come out on a loose connection. Today and in the next it is and will be to cold to work outside. After that my temporary licesense plate will run out. Therefore I will correct the issue next year in March when my license plate allows me to drive again.
BR
Christian
2006 4/4 70th anniversary, 1985 VW 1200 50th anniversary, 1977 Vespa 50 Special, 2003 Vespa PX 200E
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