Hi both,
Thanks a lot for your answers.
The wiper motor is a 2 speed with 3 cables, I think I've wired it correctly because when the wipers are not attached to it, it works well (or it seem).
When I attach the wiper cable they move a bit then the motor stops (and I'm not even using the wiper switch at this point), if the wheel is correct, maybe the motor doesn't get enough power ? I tested it with the cap for the self park, I just removed it for the picture. I'll take a few more pictures when I'll be back near the car.
For the engine sound you're perfectly right it's more of a