Sorry, but i can't find out how to insert pictures in the post, so they are attached. It is my first post on the forum.
Make a cut in the back of the light.
Open up, but bee a bit careful.
Carefully take up the circuit board. Pull of the connector and cut the wires at the connector.
Clean the connectionarea and sold on the wires as on the picture.
Replace circuit board and add a little glue on the two pinns.
Add silicone to glue the back of the light together.
Let it dry before mounting in the car.