Clio rear light failure

Hello everyone, I have the typical Renault Clio failure, the rear lights make me the same as in this vidio
This is not the car I have in the workshop but it does the same and it is same model.

I read that the connectors of the rear pilots are cleaned and solved, <-the fact and were not sulfated or anything clean everything well. I also read that it is about putting a dough to chassis, you know if that works? If someone has repaired this typical failure to comment on any solution.

Tomorrow I am in something, neither does the car touched much.

Hello! Mass is missing the platelet is very common in those cars carry the same dough in common for all circuits. In my workshop I salary a 1.5mm wing wing cable and put the cable to a good point of Nasa and solve.

solved that was all good