fuses JEEP CHEROKEE 1988 Service User Guide

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Page 540 of 1378

$JEEP CHEROKEE 1988 Service User Guide ��\ ��\ ��\ ��\ ��\ ��\ ��\ �� FUSIBLE LINKS See FUSES, FUSIBLE LINK$

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FUSIBLE LINKS
See FUSES, FUSIBLE LINKS AND CIRCUIT BREAKERS .
GAUGES
NOTE: Includes odometers, speedometers and tachometers (except
cable-driven).
GAUGE INSPECTION
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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Leaking ................. A ............ Require replacement.
Lens broken ............. A ........... ( 2) Require repair or
replacement.
Lens cloudy ............. 2 ........... ( 2) Suggest repair or
replacement.
Lens missing ............ C ........... ( 2) Require repair or
replacement.
Malfunctioning .......... A ........... ( 3) Require repair or
replacement.
Mechanical head noisy ... 2 .. Suggest repair or replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - If lens is available as a separate part, require
replacement of lens only.
( 3) - Includes inoperative, intermittent operation, failure
to perform all functions, out of OEM specification,
or out of range.
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Page 828 of 1378

JEEP CHEROKEE 1988 Service User Guide FU SES & C IR CUIT B REA K ER S

1988 J e ep C hero ke e
Fuses & Circuit Breakers
1984-88 AMC/Jeep
Jeep; Cherokee, Wagoneer
IDENTIFICATION
FUSES &

Page 829 of 1378

JEEP CHEROKEE 1988 Service User Guide 1 - 25 Amp
Rear Washer/Wiper.
2 - 15 Amp
Radio, Cigarette Lighter.
3 - 25 Amp
Blower Motor.
4 - 20 Amp
Turn Signal, Back-Up L

Page 915 of 1378

JEEP CHEROKEE 1988 Service User Guide BATTERY SPECIFICATIONS
CAUTION: When battery is disconnected, vehicles equipped with
computers may lose memory data. When battery power is
restored, driveability problems m

BATTERY SPECIFICATIONS
CAUTION: When battery is disconnected, vehicles equipped with
computers may lose memory data. When battery power is
restored, driveability problems may exist on some vehicles.
These vehicles may require a relearn procedure. See COMPUTER
RELEARN PROCEDURES article in the GENERAL INFORMATION
section.
All gasoline engine equipped models use group 58 batteries
with 390 or 475 amp cold crank rating. Models with 2.1L Turbo Diesel
engine use group 24 batteries with a 815 amp cold crank rating.
CAUTIONS & WARNINGS
REPLACING BLOWN FUSES
Before replacing a blown fuse, remove ignition key, turn off
all lights and accessories to avoid damaging the electrical system. Be
sure to use fuse with the correct indicated amperage rating. The use
of an incorrect amperage rating fuse may result in a dangerous
electrical system overload.
BATTERY WARNING
WARNING: When battery is disconnected, vehicles equipped with
computers may lose memory data. When battery power is
restored, driveability problems may exist on some vehicles.
These vehicles may require a relearn procedure. See COMPUTER
RELEARN PROCEDURES article in GENERAL INFORMATION section.
BRAKE PAD WEAR INDICATOR
Indicator will cause a squealing or scraping noise, warning
that brake pads need replacement.
DIESEL FUEL ANTI-FUNGAL ADDITIVES
CAUTION: If fuel contamination due to fungi or other microorganisms is
suspected a fuel additive with a biocide may be used. Follow
the manufacturers dosage as recommended on product label. Use
biocides ONLY when necessary, excessive use can may cause
other fuel system problems.
DIESEL FUEL CONTAMINATION
WARNING: Diesel fuel system may be contaminated with fungi or other
microorganisms. Keep contaminated fuel away from open skin
cuts or sores to prevent skin irritation or infection.
DIESEL FUEL REQUIREMENTS
CAUTION: All diesel engines are to use Diesel Fuel #2 when the outside
temperature is above 20\bF (-7\bC). In temperatures that are
below 20\bF (-7\bC) use Diesel Fuel #1, this will reduce the
chance of the fuel thickening and forming wax.
Note: A Diesel Fuel #1 & #2 combination (Blended Fuel) may be\
used, and is recommended for mild winter driving.

Page 918 of 1378

JEEP CHEROKEE 1988 Service User Guide whichever occurs first.
EMISSION DEFECT WARRANTY (EXCEPT CALIFORNIA)
It warrants that vehicle meets Federal emissions standards in
force at time of vehicles manufacture. Warranty co

whichever occurs first.
EMISSION DEFECT WARRANTY (EXCEPT CALIFORNIA)
It warrants that vehicle meets Federal emissions standards in
force at time of vehicle's manufacture. Warranty covers the cost of
repair or adjustment of any parts of vehicle's emission control
systems that are defective in material, workmanship or factory
preparation, but ONLY IF the defect causes the vehicle to fail to meet
Federal standards. Begins at warranty start date and lasts for 5 years
or 50,000 miles, whichever occurs first.
EMISSION PERFORMANCE WARRANTY (EXCEPT CALIFORNIA)
It begins at warranty start date and lasts for 5 years or 50,
000 miles, whichever comes first. This warranty applies only under the
following conditions:
* Vehicle failed a Federally-approved state or local emissions
test.
* Vehicle has been maintained and operated properly up until
the time of testing.
* Owner faces a penalty or other sanctions because of the
vehicle's failure to pass the local emissions test.
The following components and systems are covered: Carburetor
Feedback Control System, Electronic Fuel Injection System, Air Cleaner
Vapor Containment Door System, Electronic Spark Control, Electronic
Control Module, Vapor Storage Canister and Controls, Deceleration
Throttle Control, EGR Valve & Control System, Air Pump, Belt & Pulley,
Air Injection Controls, PCV Valve, Catalytic Converter, Vacuum Hoses,
Clamps, Fittings & Tubing used in these components and systems,
Vacuum, Temperature, Altitude, Speed and Time-Sensitive Valves and
Switches used in these components and systems.
EMISSION PERFORMANCE WARRANTY (CALIFORNIA)
If vehicle fails a Smog Check inspection, all necessary
repairs and adjustments will be made by manufacturer to ensure that
your vehicle passes the inspection. Warranty begins at warranty start
date and lasts for a period of 3 years or 50,000 miles, whichever
occurs first.
EMISSION DEFECTS WARRANTY (CALIFORNIA)
If any emission-related part on your vehicle is defective,
the part will be repaired or replaced by manufacturer for a period of
3 years or 50,000 miles, whichever occurs first. Warranty begins at
warranty start date and lasts for a period of 3 years or 50,000 miles,
whichever occurs first.
The following emission-related parts are warranted for 7
years or 70,000 miles, whichever occurs first, and will be repaired or
replaced by manufacturer if found to be defective in material or
workmanship: Catalytic Converter, Intake Manifold, Carburetor,
Throttle Body, Injectors, Fuel Tank, Exhaust Manifolds (4.0L).
FUSES & CIRCUIT BREAKERS
Fuse panel is located at the lower left side of dash on most
models.

Page 951 of 1378

JEEP CHEROKEE 1988 Service User Guide computers may lose memory data. When battery power is
restored, driveability problems may exist on some vehicles.
These vehicles may require a relearn procedure. See COMPUTE

computers may lose memory data. When battery power is
restored, driveability problems may exist on some vehicles.
These vehicles may require a relearn procedure. See COMPUTER
RELEARN PROCEDURES article in GENERAL INFORMATION section.
REPLACING BLOWN FUSES
Before replacing a blown fuse, remove ignition key, turn off
all lights and accessories to avoid damaging the electrical system. Be
sure to use fuse with the correct indicated amperage rating. The use
of an incorrect amperage rating fuse may result in a dangerous
electrical system overload.
BRAKE PAD WEAR INDICATOR
Indicator will cause a squealing or scraping noise, warning
that brake pads need replacement.
BRAKE WARNING LIGHT
CAUTION: If BRAKE warning light is on with parking brake disengaged
and engine running, there may be a problem in the hydraulic
brake system. Braking effort, brake pedal travel and
stopping distances may increase.
CATALYTIC CONVERTER
To prevent catalytic converter overheating, DO NOT allow
engine to idle for more than 20 minutes.
COMMAND-TRAC (4WD)
CAUTION: NEVER operate a Command-Trac vehicle in 4WD on dry,
hard-surfaced roads for a sustained period. Use 4L only
when needed for added pulling power. Operating vehicle in
4WD mode on such roads will cause stress and possible
damage to components, as well as make shifting difficult.
To reduce shifting effort, drive vehicle in Reverse for a
few feet, or drive off hard-surfaced road momentarily to
allow tire slippage.
FRONT AND REAR DIFFERENTIALS (4WD)
CAUTION: DO NOT use water, steam, kerosene or gasoline for flushing
a differential. ONLY use a flushing oil.
TRAC-LOK DIFFERENTIALS (4WD)
CAUTION: DO NOT flush a rear axle Trac-Lok differential. Trac-Lok
differentials may be cleaned only by disassembling the
unit and wiping the components with clean, lint-free cloth.
CAUTION: NEVER attempt to engage Low range when vehicle is moving
faster than 2-3 MPH, as transfer case damage may result.
GASOLINE CONTAINING ALCOHOL
CAUTION: Exclusive use of gasohol is not recommended. Vehicle test
results have shown that significant fuel system corrosion
can result when gasohol is used exclusively.

Page 1223 of 1378

$JEEP CHEROKEE 1988 Service User Guide ALTERNATOR article��\ ��\ ��\ ��\ ��\ ��\ ��$

ALTERNATOR article\
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Alternator Blown fuse See WIRING DIAGRAMS
Light Stays Off
With Ignition
Switch ON
Defective alternator See Testing in
ALTERNATOR article
Defective indicator light See Indicator Warning
bulb or socket Lights in STANDARD
INSTRUMENTS in the
ACCESSORIES &
EQUIPMENT section
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Alternator Short in alternator wiring See On-Vehicle Tests
Light Stays OFF in ALTERNATOR article
With Ignition
Switch ON
Defective rectifier bridge See Bench Tests in
ALTERNATOR article
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Lights or Fuses Defective alternator wiring See On-Vehicle Tests
Burn Out in ALTERNATOR article
Frequently
Defective regulator See Regulator Check in
ALTERNATOR article
Defective battery Check and replace as
necessary
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Ammeter Gauge Loose or worn drive belt Check alternator drive
Shows Discharge belt tension and
condition. See Belt
Adjustment in TUNE-UP
article in the
TUNE-UP section
Defective wiring Check all wires and
wire connections
Defective alternator or See Bench Tests and
regulator On-Vehicle Tests in
ALTERNATOR article
Defective ammeter, or See Testing in
improper ammeter wiring STANDARD INSTRUMENTS
connection in the ACCESSORIES &
EQUIPMENT section
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Noisy Loose drive pulley Tighten drive pulley
Alternator attaching nut
Loose mounting bolts Tighten all alternator
mounting bolts
Worn or dirty bearings See Bearing
Replacement
ALTERNATOR article

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