Adjusting JK Wrangler Headlights
The new JK Wrangler
uses new style headlight lenses with bulb
inserts instead of sealed beam bulbs found in
previous model Jeep Wranglers and CJs.
After installing
lift kits and/or larger tires you may find an
increase in "dark space" directly in front of
the Jeep. This is due to the increased
height of the lights and the light angle is
casting out further ahead.
The JK Wrangler
has one adjusting screw found on the upper
outside quarter of the light. It is not
necessary to remove the grille to adjust the
light.
Since the JK only
has one adjuster per light it is not possible to
adjust the light on multiple axis. All
adjustments will be a slight compromise.
One of the Jeep
forums had someone report that the the reason
there is only one adjustment bolt is because
there is an option to have your head light beam
adjustable by an electric motor. This however is
only installed on JK's where electric adjustable
headlights are required. It would be more
expensive to adjust the head light on two axis
than with one motor that can adjust both, with
some limitation, at the same time. We
haven't confirmed this statement.
A generally
accepted method of manual headlight adjustment
is 2 inch drop per 25 feet from the vehicle.
A lifted Jeep will still maintain the proper
drop but where the lights hit the road will be
further out.
Procedure
This procedure is
meant for us DIY types. An auto repair
shop or dealer can precisely adjust your Jeep's
lights (and also cost you $ too)
On a level
surface drive the Jeep as close to a flat
surface as possible. Using tape mark the
center point of the lights. Back up the
Jeep 25 feet and note the drop in the lights
from the center line. Try lowering the
lights by backing out the adjuster screw.
It may be best trying to lower the lights 1-2
inches at a time and test drive the Jeep to
check the alignment. Typically you can
adjust the lights about 1/2 the same size as
your lift.
Don't forget a
2.5" lift and 2" taller tires equal 3.5" of
lift.
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