2002 JEEP GRAND CHEROKEE Vin

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Page 385 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DIAGNOSIS AND TESTING - HEATED SEAT
ELEMENT
RESISTOR WIRE ELEMENT
(1) Disconnect and isolate the battery negative
cable. The power seat wire harness connectors for the
seat cushion and seat back heati

Page 390 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual HORN
TABLE OF CONTENTS
page page
HORN SYSTEM
DESCRIPTION..........................1
OPERATION............................2
DIAGNOSIS AND TESTING - HORN SYSTEM . . . 2
HORN
DESCRIPTION.................

Page 391 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual connector pin-out information and location views for
the various wire harness connectors, splices and
grounds. Following are general descriptions of the
remaining major components in the horn system.

Page 393 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (6) Remove both horns and the mounting bracket
from the right extension of the radiator closure
assembly as a unit.
INSTALLATION
(1) Position both horns and the mounting bracket
onto the right extensi

Page 406 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (14) If a plus (+) or a minus (-) is displayed next to
degree number, and/or the degree displayed is not
zero, loosen but do not remove hold-down clamp bolt.
Rotate oil pump drive until IN RANGE appea

Page 413 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (Fig. 25). There will not be evidence of electrode
burning. Gap growth will not average more than
approximately 0.025 mm (.001 in) per 3200 km (2000
miles) of operation.
Spark plugsexcept platinum tip

Page 415 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual SPARK PLUG OVERHEATING
Overheating is indicated by a white or gray center
electrode insulator that also appears blistered (Fig.
31). The increase in electrode gap will be consider-
ably in excess of 0

Page 419 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OPERATION
The ElectroMechanical Instrument Cluster (EMIC)
is designed to allow the vehicle operator to monitor
the conditions of many of the vehicle components and
operating systems. The gauges and in