Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Jeep Cherokee XJ 1997.1999-2001 Approved 1999 XJ Jeep Cherokee EXJ_8W
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XJ WIRING DIAGRAMS 8W - 1
WIRING DIAGRAMS
CONTENTS
page page
AIR CONDITIONING-HEATER . . . . . . . . . . 8W-42-1 POWER DISTRIBUTION . . . . . . . . . . . . . . 8W-10-1
AIRBAG SYSTEM . . . . . . . . . . . . . . . . . . . 8W-43-1 POWER DOOR LOCKS . . . . . . . . . . . . . . . 8W-61-1
ANTI-LOCK BRAKES . . . . . . . . . . . . . . . . . 8W-35-1 POWER MIRRORS . . . . . . . . . . . . . . . . . . 8W-62-1
AUDIO SYSTEM . . . . . . . . . . . . . . . . . . . . 8W-47-1 POWER SEAT . . . . . . . . . . . . . . . . . . . . . . 8W-63-1
CHARGING SYSTEM . . . . . . . . . . . . . . . . . 8W-20-1 POWER WINDOWS . . . . . . . . . . . . . . . . . . 8W-60-1
COMPONENT INDEX . . . . . . . . . . . . . . . . . 8W-02-1 REAR LIGHTING . . . . . . . . . . . . . . . . . . . . 8W-51-1
CONNECTOR LOCATIONS . . . . . . . . . . . . . 8W-90-1 REAR WINDOW DEFOGGER . . . . . . . . . . . 8W-48-1
CONNECTOR PIN-OUTS . . . . . . . . . . . . . . 8W-80-1 SPLICE INFORMATION . . . . . . . . . . . . . . . 8W-70-1
FRONT LIGHTING . . . . . . . . . . . . . . . . . . . 8W-50-1 SPLICE LOCATIONS . . . . . . . . . . . . . . . . . 8W-95-1
FUEL/IGNITION SYSTEM . . . . . . . . . . . . . 8W-30-1 STARTING SYSTEM . . . . . . . . . . . . . . . . . 8W-21-1
GENERAL INFORMATION . . . . . . . . . . . . . 8W-01-1 TRAILER TOW . . . . . . . . . . . . . . . . . . . . . . 8W-54-1
GROUND DISTRIBUTION . . . . . . . . . . . . . 8W-15-1 TRANSMISSION CONTROL SYSTEM . . . . 8W-31-1
HORN/CIGAR LIGHTER/POWER OUTLET . 8W-41-1 TURN SIGNALS . . . . . . . . . . . . . . . . . . . . . 8W-52-1
INSTRUMENT CLUSTER . . . . . . . . . . . . . . 8W-40-1 VEHICLE SPEED CONTROL . . . . . . . . . . . 8W-33-1
INTERIOR LIGHTING . . . . . . . . . . . . . . . . . 8W-44-1 VEHICLE THEFT SECURITY SYSTEM . . . . 8W-39-1
JUNCTION BLOCK . . . . . . . . . . . . . . . . . . . 8W-12-1 WIPERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 8W-53-1
OVERHEAD CONSOLE . . . . . . . . . . . . . . . . 8W-49-1
XJ 8W - 01 GENERAL INFORMATION 8W - 01 - 1
8W-01 GENERAL INFORMATION
INDEX
page page
DESCRIPTION AND OPERATION TROUBLESHOOTING TESTS . . . . . . . . . . . . . . . . 9
CIRCUIT FUNCTIONS . . . . . . . . . . . . . . . . . .... 4 TROUBLESHOOTING TOOLS . . . . . . . . . . . . . . . 8
CIRCUIT INFORMATION . . . . . . . . . . . . . . . .... 4 TROUBLESHOOTING WIRING PROBLEMS . . . . 10
CONNECTOR INFORMATION . . . . . . . . . . . .... 7 SERVICE PROCEDURES
ELECTROSTATIC DISCHARGE (ESD) CONNECTOR AND TERMINAL REPLACEMENT . 12
SENSITIVE DEVICES . . . . . . . . . . . . . . . . . . . . 8 CONNECTOR REPLACEMENT . . . . . . . . . . . . . . 11
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 1 DIODE REPLACEMENT . . . . . . . . . . . . . . . . . . . 14
NOTES, CAUTIONS, and WARNINGS . . . . . . . . . 7 TERMINAL REPLACEMENT . . . . . . . . . . . . . . . . 13
SECTION IDENTIFICATION . . . . . . . . . . . . . . . . . 5 TERMINAL/CONNECTOR REPAIR-MOLEX
SPLICE LOCATIONS . . . . . . . . . . . . . . . . . . . . . . 7 CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . 10
SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 TERMINAL/CONNECTOR REPAIR--THOMAS
TAKE OUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 AND BETTS CONNECTORS . . . . . . . . . . . . . . 11
TERMINOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . 7 WIRING REPAIR . . . . . . . . . . . . . . . . . . . . . . . . 10
DIAGNOSIS AND TESTING SPECIAL TOOLS
INTERMITTENT AND POOR CONNECTIONS .... 9 WIRING/TERMINAL . . . . . . . . . . . . . . . . . . . . . . 15
DESCRIPTION AND OPERATION Components are shown two ways. A solid line
around a component indicates that the component is
INTRODUCTION complete. A dashed line around a component indi-
Chrysler wiring diagrams are designed to provide cates that the component being shown is not com-
information regarding the vehicles wiring content. In plete. Incomplete components have a reference
order to effectively use Chrysler wiring diagrams to number to indicate the page where the component is
diagnose and repair a Chrysler vehicle, it is impor- shown complete.
tant to understand all of their features and charac- It is important to realize that no attempt is made
teristics. on the diagrams to represent components and wiring
Diagrams are arranged such that the power (B+) as they appear on the vehicle. For example, a short
side of the circuit is placed near the top of the page, piece of wire is treated the same as a long one. In
and the ground (B-) side of the circuit is placed near addition, switches and other components are shown
the bottom of the page. as simply as possible, with regard to function only.
All switches, components, and modules are shown
in the at rest position with the doors closed and the
key removed from the ignition.
8W - 01 - 2 8W - 01 GENERAL INFORMATION XJ
DESCRIPTION AND OPERATION (Continued)
The System shown here is an EXAMPLE ONLY. It does not represent the actual circuit shown in the WIRING
DIAGRAM SECTION.
XJ 8W - 01 GENERAL INFORMATION 8W - 01 - 3
DESCRIPTION AND OPERATION (Continued)
The System shown here is an EXAMPLE ONLY. It does not represent the actual circuit shown in the WIRING
DIAGRAM SECTION.
8W - 01 - 4 8W - 01 GENERAL INFORMATION XJ
DESCRIPTION AND OPERATION (Continued)
CIRCUIT INFORMATION CIRCUIT FUNCTIONS
Each wire shown in the diagrams contains a code All circuits in the diagrams use an alpha/numeric
which identifies the main circuit, part of the main code to identify the wire and its function. To identify
circuit, gage of wire, and color (Fig. 1). which circuit code applies to a system, refer to the
Circuit Identification Code Chart. This chart shows
the main circuits only and does not show the second-
ary codes that may apply to some models.
CIRCUIT IDENTIFICATION CODE CHART
CIRCUIT FUNCTION
A BATTERY FEED
B BRAKE CONTROLS
C CLIMATE CONTROLS
D DIAGNOSTIC CIRCUITS
E DIMMING ILLUMINATION CIRCUITS
F FUSED CIRCUITS
G MONITORING CIRCUITS (GAUGES)
Fig. 1 Wire Code Identification H OPEN
I NOT USED
WIRE COLOR CODE CHART
J OPEN
STANDARD K POWERTRAIN CONTROL MODULE
COLOR CODE COLOR TRACER L EXTERIOR LIGHTING
COLOR M INTERIOR LIGHTING
BL BLUE WT N NOT USED
BK BLACK WT O NOT USED
BR BROWN WT P POWER OPTION (BATTERY FEED)
DB DARK BLUE WT Q POWER OPTIONS (IGNITION FEED)
DG DARK GREEN WT R PASSIVE RESTRAINT
GY GRAY BK S SUSPENSION/STEERING
LB LIGHT BLUE BK T TRANSMISSION/TRANSAXLE/
LG LIGHT GREEN BK TRANSFER CASE
OR ORANGE BK U OPEN
PK PINK BK or WT V SPEED CONTROL, WIPER/WASHER
RD RED WT W OPEN
TN TAN WT X AUDIO SYSTEMS
VT VIOLET WT Y OPEN
WT WHITE BK Z GROUNDS
YL YELLOW BK
* WITH TRACER
XJ 8W - 01 GENERAL INFORMATION 8W - 01 - 5
DESCRIPTION AND OPERATION (Continued)
SECTION IDENTIFICATION SYMBOLS
The wiring diagrams are grouped into individual International symbols are used throughout the wir-
sections. If a component is most likely found in a par- ing diagrams. These symbols are consistent with
ticular group, it will be shown complete (all wires, those being used around the world
connectors, and pins) within that group. For exam-
ple, the Auto Shutdown Relay is most likely to be
found in Group 30, so it is shown there complete. It
can, however, be shown partially in another group if
it contains some associated wiring.
GROUP TOPIC
8W-01 thru 8W-09 General Information and
Diagram Overview
8W-10 thru 8W-19 Main Sources of Power and
Vehicle Grounding
8W-20 thru 8W-29 Starting and Charging
8W-30 thru 8W-39 Powertrain/Drivetrain
Systems
8W-40 thru 8W-49 Body Electrical items and A/C
8W-50 thru 8W-59 Exterior Lighting, Wipers, and
Trailer Tow
8W-60 thru 8W-69 Power Accessories
8W-70 Splice Information
8W-80 Connector Pin Outs
8W-90 Connector Locations
(including grounds)
8W-95 Splice Locations
8W - 01 - 6 8W - 01 GENERAL INFORMATION XJ
DESCRIPTION AND OPERATION (Continued)
Wiring Diagram Symbols
XJ 8W - 01 GENERAL INFORMATION 8W - 01 - 7
DESCRIPTION AND OPERATION (Continued)
TERMINOLOGY
This a list of terms with there definitions used in
the wiring diagrams.
Built-Up-Export . . . . . . . . Vehicles Built For Sale In
Markets Other Than North America
Except-Built-Up-Export . . Vehicles Built For Sale In
North America
LHD . . . . . . . . . . . . . . . . . Left Hand Drive Vehicles
RHD . . . . . . . . . . . . . . . . Right Hand Drive Vehicles
ATX . . . Automatic Transmission-Front Wheel Drive Fig. 3 Connector Identification
MTX . . . . Manual Transmission-Front Wheel Drive LOCATIONS
AT . . . . . Automatic Transmission-Rear Wheel Drive Section 8W-90 contains connector/ground location
MT . . . . . . Manual Transmission-Rear Wheel Drive illustrations. The illustrations contain the connector
SOHC . . . . . . . . . . . Single Over Head Cam Engine name (or number)/ground number and component
DOHC . . . . . . . . . . . . Dual Over Head Cam Engine identification. Connector/ground location charts in
Section 8W-90 reference the illustration number for
CONNECTOR INFORMATION components and connectors.
Section 8W-80 shows each connector and the cir-
CAUTION: Not all connectors are serviced. Some
cuits involved with that connector. The connectors
connectors are serviced only with a harness. A typ-
are identified using the name/number on the Dia-
ical example might be the Supplemental Restraint
gram pages.
System connectors. Always check parts availability
before attempting a repair.
SPLICE LOCATIONS
Splice Location charts in Section 8W-70 show the
IDENTIFICATION entire splice, and provide references to other sections
In-line connectors are identified by a number, as the splice serves.
follows: Section 8W-95 contains illustrations that show the
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