I believe that's the gear used to level off the beam pattern.
Quote:
Originally Posted by Bulldog CFP
Please refer to the rear view of the fog light on the top half of the picture on post #6.
When looking at the bottom left of the rear of the the fog light notice the notched gear. Do you adjust the level of the beam by turning this?
As I pull into my garage and look at the fog beam on the wall (about 5 feet from wall) the beam mark on the wall is lower on one side compared to the fog beam on the other side of the car.
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