Jeep Cherokee 2000 Service Manual - page 452
used for tail light and stop lamp functions. One sin-
gle filament bulb is for turn signal functions. The
other bulb is a single filament bulb used for back-up
light illumination.
OPERATION
Each tail lamp module can be serviced separately.
Each bulb can also be serviced separately. The head-
lamp switch controls tail lamp operation. The multi-
function switch on the steering column controls turn
signal operation, and the back-up light switch con-
trols the back-up light operation. The brake lamp
switch controls the stop lamp function.
FRONT TURN SIGNAL/PARKING LAMP
DESCRIPTION
The front turn signal and parking lamp module
contains a housing, a lens, and two bulbs.
OPERATION
The parking lamp function is controlled by the
headlamp switch. The turn signal function is con-
trolled by the multifunction switch on the steering
column. Each bulb can be serviced separately.
CHMSL (CENTER HIGH MOUNTED STOP LAMP)
DESCRIPTION
The center high mounted stop lamp (CHMSL) is
mounted on the liftgate. The module consists of a
housing, a lens, and a single filament bulb.
OPERATION
The CHMSL is controlled by the brake lamp
switch.
DAYTIME RUNNING LAMPS
DESCRIPTION
The Daytime Running Lights (Headlamps) System
is installed on vehicles manufactured for sale in Can-
ada only. A separate module, mounted on the cowl,
controls the DRL.
OPERATION
The headlamps are illuminated when the ignition
switch is turned to the ON position. The DRL module
receives a vehicle-moving signal from the vehicle
speed
sensor.
This
provides
a
constant
head-
lamps-on condition as long as the vehicle is moving.
The lamps are illuminated at less than 50 percent of
normal intensity.
SAFETY PRECAUTIONS
WARNING: EYE PROTECTION SHOULD BE USED
WHEN SERVICING GLASS COMPONENTS. PER-
SONAL INJURY CAN RESULT.
CAUTION: Do not touch the glass of halogen bulbs
with fingers or other possibly oily surface, reduced
bulb life will result.
Do not use bulbs with higher candle power than
indicated in the Bulb Application table at the end of
this group. Damage to lamp and/or Daytime Run-
ning Lamp Module can result.
Do not use fuses, circuit breakers or relays hav-
ing greater amperage value than indicated on the
fuse panel or in the Owners Manual.
When it is necessary to remove components to ser-
vice another, it should not be necessary to apply
excessive force or bend a component to remove it.
Before damaging a trim component, verify hidden
fasteners or captured edges are not holding the com-
ponent in place.
8L - 2
LAMPS
XJ
DESCRIPTION AND OPERATION (Continued)