Jeep 1997 Grand Cherokee Service Manual page 513

ZG
SERVICE PROCEDURES (Continued)
(5) Jounce front suspension three times by pushing
downward on front bumper and releasing.
(6) Measure the distance from the center of head-
lamp lens to the floor. Transfer measurement to the
alignment screen (with tape).
(7) Place a tape line 150 mm below and parallel to
the center of headlamp lens to the floor tape mark.
Use this for up/down alignment reference.
(8) Measure distance from the centerline of the
vehicle to the center of each headlamp being aligned.
Transfer measurements to screen (with tape) to each
side of vehicle centerline. Use these lines for left/
right adjustment reference.
HEADLAMP ADJUSTMENT
A properly aimed low beam headlamp will project
the top edge of high intensity pattern on screen from
150 mm below headlamp centerline (Fig. 1). The
angle between the horizontal and the inclined part of
the light-dark boundary may not vary more than 10
cm to the right or left of the vertical through the cen-
ter mark.
To adjust headlamp aim, rotate the headlamp
alignment screws to achieve the pattern specified on
the alignment screen.
LAMPS 8L - 3