Jeep 1997 Grand Cherokee Service Manual page 491

ZG
BULB APPLICATION . . . . . . . . . . . . . . . . . . . . . 19
HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . 7
LAMP BULB SERVICE . . . . . . . . . . . . . . . . . . . 10
GENERAL INFORMATION
GENERAL INFORMATION . . . . . . . . . . . . . . . . . 1
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . 1
DIAGNOSIS AND TESTING
DAYTIME RUNNING LAMP DIAGNOSIS . . . . . . . 4
GENERAL INFORMATION
GENERAL INFORMATION
Each vehicle is equipped with various lamp assem-
blies. A good ground is necessary for proper lighting
operation. Grounding is provided by the lamp socket
when it comes in contact with the metal body, or
through a separate ground wire.
When changing lamp bulbs check the socket for
corrosion. If corrosion is present, clean it with a wire
brush and coat the inside of the socket lightly with
Mopar Multi-Purpose Grease or equivalent.
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 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.
LAMPS
CONTENTS
page
LAMP DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . 1
LAMP SERVICE
LAMP SYSTEMS
LAMP DIAGNOSIS
INDEX
page
DIAGNOSTIC PROCEDURES
FOG LAMP DIAGNOSIS . . . . . . . . . . . . . . . . . . . 3
HEADLAMP DIAGNOSIS . . . . . . . . . . . . . . . . . . 2
LAMP OUTAGE MODULE DIAGNOSIS . . . . . . . . 5
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.
DIAGNOSIS AND TESTING
DIAGNOSTIC PROCEDURES
When a vehicle experiences problems with the
headlamp system, verify the condition of the battery
connections, charging system, headlamp bulbs, wire
connectors, relay, high beam dimmer switch and
headlamp switch. Refer to Group 8W, Wiring Dia-
grams for component locations and circuit informa-
tion.
LAMPS
. . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . 17
. . . . . . . . . . . . . . 1
8L - 1
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