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SERVICE
MANUAL
Jeep
ELECTRICAL
SERVICE MANUAL
1990 JEEP VEHICLES
To order the special service tools used and illus­
trated, please refer to the instructions on inside
back cover.
^ f e CHRYSLER
W
MOTORS
SERVICE & PARTS
OPERATIONS
NO PART OF THIS PUBLICATION MAY BE RE­
PRODUCED, STORED IN A RETRIEVAL SYS­
TEM, OR TRANSMITTED, IN ANY FORM OR
BY ANY MEANS, ELECTRONIC, MECHANI­
CAL, PHOTOCOPYING, RECORDING, OR
OTHERWISE, WITHOUT THE PRIOR WRIT­
TEN PERMISSION OF CHRYSLER MOTORS.
Jeep/Eagle reserves the right to make changes in design or to make additions
to or improvements in its products without imposing any obligations upon itself
to install them on its products previously manufactured.
Litho in U.S.A. Copyright © 1989 Jeep/Eagle Corporation 25M889
FOREWORD
The information contained in this service manual has
been prepared for the professional automotive techni­
cian involved in daily repair operations. Information in
this manual is divided into groups. Each group covers
a general vehicle system (brakes, steering, body, etc.).
Each group is further divided to address individual com­
ponents or systems within the group.
The Component and System Index, located at the back
of this manual, will assist you in locating the correct
group for the component or system you require.
These groups contain general information, diagnosis,
testing, adjustment, removal and installation, disas­
sembly and assembly procedures for the components.
The diagnosis charts are designed to help you locate
and correct problems with a systematic approach. The
tab locator at the right side of this page will help you
quickly locate the first page of each group. The first
page of each group contains a n alphabetical index to
assist in the location of the component or system.
The information, description, testing procedures and
specifications were in effect at the time this manual was
released for printing.
Chrysler Motors reserves the right to change testing
procedures, specifications, diagnosis, or repair methods
at any time without prior notice or incurring obligation.
The information describing the operation and use of
standard and optional equipment is included in the
Operating Instructions and Product Information man­
ual located in the glove box.
N O T E : F O R M E C H A N I C A L
INFORMATION,
R E F E R TO T H E " E N G I N E , C H A S S I S & BODY
SERVICE MANUAL - J E E P VEHICLES.
59
GROUP
8A
SB
8C
8P
8E
8F
8G
8H
8J
SC
E
8L
8M
TITLE
Introduction
Battery
Storting System
Charging
System
Ignition
Instrument Panel
iadio
Antenna &
Speakers
f
Horns
Cruise Control
Multi-Function Switch & H a z a r d
Windshield Wipers & Washers
Lamps
Seat Belt
Warning
Systems
8N
Rear W i n d o w Defogger
8P
81
8S
ST
8W
P o w e r
Door Locks
Power Seats
Power Windows
P o w e r Mirrors
Wiring Diagrams
J901N-6
INTRODUCTION
INTRODUCTION
VEHICLE SAFETY CERTIFICATION LABELS
pu
70
13
A safety certification label (Fig. 1) is attached to all
vehicles to certify that they conform to Federal motor
vehicle safety certificate standards. The label lists the
month and year of manufacture, gross vehicle weight
rating (GVWR) and gross axle weight rating (GAWR).
The label is located on the door pillar (driver's side).
TIRE INFLATION LABEL
Check the tires for visible signs of wear which may
indicate underinflation or a need for front-end align­
ment, tire rotation or wheel balancing. Also check for
bulging, cracks or other road hazard damage. Check
and adjust the inflation pressures according to the spec­
ifications. The tire pressure specification sticker is lo­
cated on the glove box door (Fig. 2).
JEEP CHEROKEE.
TIRE INFLATION
PRESSURES p.s.i.
inflatetires
coldbefore
running
DO NOT reduce
pressure
If tires
are warm.
FULL
«*«cyi.
pits/rsftis
piH/KKi
»tlf/7SRlf
1 0 AO
30
m
m
to
Sf 8952 000 713
USA
GLOVE BOX
DOOR
J891N-3
Fig. 2 Tire Inflation
Pressures
VEHICLE IDENTIFICATION NUMBER (WIN)
The Vehicle Identification Number (VIN) is located
on the left side of the instrument panel at the base of the
windshield. All VIN's contain 17 characters in a com­
bination of letters and numbers t h a t provide specific
information about the vehicle (Fig. 3).
J89IN-2
Fig. 1 Safety Certification
Labels
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