2002 JEEP GRAND CHEROKEE ground wiring

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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.

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CONDITION POSSIBLE CAUSES CORRECTION
HORN SOUNDS
CONTINUOUSLY1. Faulty horn relay. 1. Refer to Horn Relay for the proper horn relay
diagnosis and testing procedures. Replace the
horn relay or repair t

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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

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual HORN SWITCH
DESCRIPTION
A center-blow, normally open, resistive membrane-
type horn switch is secured in a plastic tray that is
inserted in a pocket sewn on the front of the driver
side airbag retaine

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INSTALLATION
4.7L High-Output Engine Only
NOTE: The left sensor is identified by an identifica-
tion tag (LEFT). It is also identified by a larger bolt
head. The Powertrain Control Module (PCM) must
h

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual EMIC also uses several hard wired inputs in order to
perform its many functions. The EMIC module incor-
porates a blue-green digital Vacuum Fluorescent Dis-
play (VFD) for displaying odometer and trip

Page 422 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual an input from the auto headlamp light sensor to
determine the ambient light levels. If the BCM
decides that the exterior lighting is turned on in the
daylight, it overrides the selected panel dimmer
s

Page 431 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual For further diagnosis of the brake indicator or the
instrument cluster circuitry that controls the indica-
tor, (Refer to 8 - ELECTRICAL/INSTRUMENT
CLUSTER - DIAGNOSIS AND TESTING). The park
brake swi