Ford Ranger Maintaince And Repair Manual page 716

Example of headlight adjustment screw location for composite headlamps
2. If aiming is to be performed outdoors, it is advisable to wait until dusk in order to properly see the
headlight beams on the wall. If done in a garage, darken the area around the wall as much as possible
by closing shades or hanging cloth over the windows.
3. Turn the headlights ONand mark the wall at the center of each light's low beam, then switch on the
brights and mark the center of each light's high beam. A short length of masking tape which is visible
from the front of the vehicle may be used. Although marking all four positions is advisable, marking
one position from each light should be sufficient.
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HOW TO USE THIS BOOK
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AIMING THE HEADLIGHTS