Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Jeep Cherokee XJ 1988-1989.1993-1995 Approved 1995 XJ Jeep Cherokee 95XJ_8WL
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>> Download 95XJ_8WL documenatation <<Text preview - extract from the documentJ WIRING DIAGRAMS--GENERAL INFORMATION 8W - 1
WIRING DIAGRAMS--GENERAL INFORMATION
INDEX
page page
Circuit Identification . . . . . . . . . . . . . . . . . . . . . .. . . 1 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . 2
Connector and Terminal Replacement . . . . . . . .. . . 7 Take Outs . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . 2
Connector Replacement . . . . . . . . . . . . . . . . . .. . . 6 Terminal Replacement . . . . . . . . . . . . . . . . . . .... . 8
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . 2 Terminal/Connector Repair--Molex Connectors ... . 6
Diode Replacement . . . . . . . . . . . . . . . . . . . . .. . . 8 Troubleshooting Tests . . . . . . . . . . . . . . . . . . .... . 4
Electrostatic Discharge (ESC) Sensitive Devices . . . 2 Troubleshooting Tools . . . . . . . . . . . . . . . . . . .... . 4
General Information . . . . . . . . . . . . . . . . . . . . . .. . . 1 Troubleshooting Wiring Problems . . . . . . . . . .... . 5
Intermittent and Poor Connections . . . . . . . . . . .. . . 4 Wire Code Identification . . . . . . . . . . . . . . . . .... . 1
Notes, Cautions, and Warnings . . . . . . . . . . . . .. . . 1 Wiring Repair . . . . . . . . . . . . . . . . . . . . . . . . .... . 6
GENERAL INFORMATION SET THE PARKING BRAKE WHEN WORKING ON
This Group is divided into three stand alone sec- ANY VEHICLE. AN AUTOMATIC TRANSMISSION
tions; XJ, YJ, and XJ Right Hand Drive (XJ-RHD). SHOULD BE IN PARK. A MANUAL TRANSMISSION
Separate circuit descriptions and wiring diagrams are SHOULD BE IN NEUTRAL.
provided for each vehicle. Each section contains a
Contents list for the wiring diagrams and circuit de-
OPERATE THE ENGINE ONLY IN A WELL-VENTI-
scriptions for that vehicle.
LATED AREA.
The complete XJ circuit descriptions and diagrams
are printed first, followed by those for the YJ and
then the XJ-RHD. The heading at the top of each KEEP AWAY FROM MOVING PARTS WHEN THE EN-
page identifies the vehicle covered in the section. GINE IS RUNNING, ESPECIALLY THE FAN AND BELTS.
NOTES, CAUTIONS, and WARNINGS
Throughout this group additional important infor- TO PREVENT SERIOUS BURNS, AVOID CONTACT
mation is presented in three ways; Notes, Cautions, WITH HOT PARTS SUCH AS THE RADIATOR, EX-
HAUST MANIFOLD(S), TAIL PIPE, CATALYTIC CON-
and Warnings.
VERTER, AND MUFFLER.
NOTES are used to help describe how switches or
components operate to complete a particular circuit.
They are also used to indicate different conditions DO NOT ALLOW FLAME OR SPARKS NEAR THE
that may appear on the vehicle. For example, an BATTERY. GASES ARE ALWAYS PRESENT IN AND
up-to and after condition. AROUND THE BATTERY.
CAUTIONS are used to indicate information that
could prevent making an error that may damage the
ALWAYS REMOVE RINGS, WATCHES, LOOSE
vehicle.
HANGING JEWELRY, AND LOOSE CLOTHING.
WARNINGS provide information to prevent per-
sonal injury and vehicle damage. Below is a list of
general warnings that should be followed any time a WIRE CODE IDENTIFICATION
vehicle is being serviced. Each wire shown in the diagrams contains a code
(Fig. 1) which identifies the main circuit, part of the
ALWAYS WEAR SAFETY GLASSES FOR EYE PRO- main circuit, gauge of wire, and color. The color is
TECTION. shown as a two letter code which can be identified by
referring to the Wire Color Code Chart (Fig. 2).
USE SAFETY STANDS ANYTIME A PROCEDURE RE-
CIRCUIT IDENTIFICATION
QUIRES BEING UNDER A VEHICLE.
All circuits in the diagrams use an alpha/numeric
code to identify the wire and its function (Fig. 3). To
BE SURE THAT THE IGNITION SWITCH ALWAYS IS identify which circuit code applies to a system, refer
IN THE OFF POSITION, UNLESS THE PROCEDURE to the Circuit Identification Code Chart. This chart
REQUIRES IT TO BE ON. shows the main circuits only and does not show the
secondary codes that may apply to some models.
8W - 2 WIRING DIAGRAMS--GENERAL INFORMATION J
Fig. 1 Wire Color Code Identification
Fig. 3 Circuit Identification
Fig. 2 Wire Color Code Chart
Fig. 4 Connector Identification
CONNECTORS
Connectors shown in the diagrams are identified TAKE OUTS
using the international standard arrows for male and The abbreviation T/O is used in the component
female terminals (Fig. 4). A connector identifier is location section to indicate a point in which the wir-
placed next to the arrows to indicate the connector ing harness branches out to a component.
number (Fig. 4).
For viewing connector pin outs, with two terminals SYMBOLS
or greater, refer to section 8W-80. This section identi- Various symbols are used throughout the Wiring
fies the connector by number and provides terminal Diagrams. These symbols can be identified by refer-
numbering, circuit identification, wire colors, and ring to the symbol identification chart (Fig. 5).
functions.
All connectors are viewed from the terminal end un- ELECTROSTATIC DISCHARGE (ESD) SENSITIVE
less otherwise specified. To find the connector location in DEVICES
the vehicle refer to section 8W-90. This section uses the All ESD sensitive components are solid state and a
connector identification number from the wiring dia- symbol (Fig. 6) is used to indicate this. When han-
grams to provide a figure number reference. dling any component with this symbol, comply with
J WIRING DIAGRAMS--GENERAL INFORMATION 8W - 3
Fig. 5 Symbol Identification
8W - 4 WIRING DIAGRAMS--GENERAL INFORMATION J
the following procedures to reduce the possibility of CAUTION: - Most of the electrical components used
electrostatic charge build up on the body and inad- in today's vehicle are Solid State. When checking
vertent discharge into the component. If it is not resistance in these circuits use a meter with a 10-
known whether the part is ESD sensitive, assume megohm or greater impedance. In addition, make
that it is. sure the power is disconnected from the circuit.
(1) Always touch a known good ground before han- Circuits that are powered up by the vehicle electrical
dling the part. This should be repeated while han- system can cause damage to the equipment and
dling the part and more frequently after sliding provide false readings.
across a seat, sitting down from a standing position,
or walking a distance.
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