Here's a video showing both lights:
http://video.google.com/videoplay?do...67649437186754
One is quicker than the other because the motor has new bushings in it. The slower one will be rebuilt when the bushings arrive. In any case, both doors are solidly open or shut once the movement is complete.
The oirignal video showing one side, with the grill out, is at top of this thread.
Bob Trimpe