Dimension "H" is a measurement you physically have to measure. It assures your truck is level when adjusting the lamps. If you measure (just an example) 3'-0" from the ground to the actual haedlight center, then 25' away on the screen, the beam should be at 3'-0"...then your truck is level. Then the "Allowable vertical Aiming Area" should be between 2.094" below the measured "H" and .5" above "H". That is the way I see it from an engineers point of view.
Headlamp adjustment
My right headlamp is higher than my right, so need to adjust. Looking in the manual, it is a little confusing how high the beams should be. I am attaching the diagram. Am I just missing something here?
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titanized said:Dimension "H" is a measurement you physically have to measure. It assures your truck is level when adjusting the lamps. If you measure (just an example) 3'-0" from the ground to the actual haedlight center, then 25' away on the screen, the beam should be at 3'-0"...then your truck is level. Then the "Allowable vertical Aiming Area" should be between 2.094" below the measured "H" and .5" above "H". That is the way I see it from an engineers point of view.
After reading my own post...I see it doesn't make sense :boxing: . If your lights need adjusting. then it will not ensure your truck is level. However, once your truck is parked on level ground (or as close as possible). Then take your measurement for "H" on the actual headlight. Then adjust your headlight so that the light is shining with in the "allowable vertical aiming area" 25' away. Sorry for the confusion.
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