2003 JEEP GRAND CHEROKEE wire harness

(3) Install fascia, refer to (Refer to 13 - FRAMES
& BUMPERS/BUMPERS/FRONT FASCIA - INSTAL-
LATION).
HEADLAMP MOUNTING
MODULE
REMOVAL
CAUTION: Take special care when handling the
HMM not to damage the upper mounting tabs. Step
#3 must be performed prior to removing HMM from
the vehicle to prevent damage to HMM.
(1) Remove fascia, refer to (Refer to 13 - FRAMES
& BUMPERS/BUMPERS/FRONT FASCIA - REMOV-
AL).
(2) Remove inner fender liner.
(3) Reach into the wheelhouse opening and disen-
gage the retainer attaching the HMM to each side of
the body.
(4) Remove bolts attaching headlamp mounting
module to body (Fig. 10).
(5) Disconnect headlamp wire harness connectors.
(6) Separate headlamp mounting module from
vehicle.
INSTALLATION
(1) Position headlamp mounting module at vehicle.
(2) Connect headlamp wire harness connectors.
(3) Engage the retainer attaching the HMM to
each side of the body.
(4) Install bolts attaching headlamp mounting
module to body (Fig. 10).
(5) Install inner fender liner.
(6) Install front fascia, refer to (Refer to 13 -
FRAMES & BUMPERS/BUMPERS/FRONT FASCIA
- INSTALLATION).
LUGGAGE RACK
REMOVAL
NOTE: The skid strips are attached to the roof
panel with adhesive.
(1) Using a trim stick, or other suitable device, pry
support cover off.
(2) If necessary, slide the crossbars to expose the
screws attaching the slide rails to the supports.
(3) Remove the screws retaining the slide rails to
the supports.
Fig. 10 Headlamp Mounting Module
1 - CONNECTOR
2 - CONNECTOR3 - MOUNTING BRACKET
4 - HEADLAMP MODULE
23 - 30 EXTERIORWJ
GRILLE (Continued)

(4) Remove the screws attaching the supports to
the roof panel.
(5) Separate the supports from the roof panel.
NOTE: If a crossbar needs to be serviced, the for-
ward or rearward supports will have to be removed.
INSTALLATION
(1) Position the supports on the roof panel and
install the screw. Be sure that the gasket is properly
seated.
(2) Position the luggage rack on the supports.
(3) Install the screws attaching the side rails to
the supports.
(4) Position the supports covers on the supports
and press into place.
SIDE VIEW MIRROR GLASS
REMOVAL
(1) With damaged mirror still on vehicle, position
mirror glass down and centered.
(2) Position a wide leverage device between the
bottom edge of the glass and the mirror shell.
(3) Firmly apply pressure in an upward direction
until glass assembly disengages from adapter plate.
(4) Disconnect the heater wire terminal, if
equipped, or the EC plug, if equipped.
INSTALLATION
(1) Connect the heater wire terminal or the EC
plug, if equipped.
(2) Position the replacement glass in the mirror
shell and align the four snap tabs with the four cav-
ities in the shell.
(3) Apply firm pressure inward until the replace-
ment glass assembly engages with the adapter plate.
Correct assembly will result in a firm click. Glass
assembly should exhibit even gaps to the shell when
complete.
(4) Pull lightly on corners of glass assembly to
ensure all four snaps are engaged and there is no
free play.
SIDE VIEW MIRROR
REMOVAL
(1) Remove door trim panel, refer to (Refer to 23 -
BODY/DOOR - FRONT/TRIM PANEL - REMOVAL).
(2) Disengage power mirror harness connector, if
equipped.
(3) Remove mirror flag seal.
(4) Remove nuts attaching mirror to door (Fig. 11).
(5) Separate mirror from door.
INSTALLATION
(1) Position mirror on door. Verify that gasket seal
is properly positioned.
(2) Install nuts attaching mirror to door (Fig. 11).
(3) Install mirror retaining nuts.
(4) Install mirror flag seal.
(5) Engage power mirror harness connector, if
equipped.
(6) Install door trim panel, refer to (Refer to 23 -
BODY/DOOR - FRONT/TRIM PANEL - INSTALLA-
TION).
Fig. 11 Side View Mirror
1 - SIDEVIEW MIRROR
2 - MIRROR FLAG SEAL
3 - CONNECTOR
WJEXTERIOR 23 - 31
LUGGAGE RACK (Continued)

(12) Remove the screw that secures the lower tilt-
ing steering column shroud to the steering column
multi-function switch mounting housing (Fig. 2).
(13) Unsnap the two halves of the tilting steering
column shroud from each other and remove both
halves from the steering column.
(14) Disconnect the instrument panel wire harness
connectors from the following steering column compo-
nents (Fig. 3):
²the two lower clockspring connector receptacles
²the left multi-function switch connector recepta-
cle
²the right multi-function switch connector recep-
tacle
²the two ignition switch connector receptacles
²the shifter interlock solenoid connector recepta-
cle
²if the vehicle is so equipped, the Sentry Key
Immobilizer Module (SKIM) connector receptacle.
(15) Turn the ignition switch to the On position,
then release and remove the shifter interlock cable
connector from the ignition lock housing receptacle.
(16) Turn the ignition switch back to the Lock
position to prevent steering wheel rotation and theloss of clockspring centering following steering col-
umn removal.
(17) Remove the bolt that secures the coupler to
the lower steering column shaft (Fig. 4).
Fig. 2 Steering Column Shrouds Remove/Install
1 - UPPER TILTING COLUMN SHROUD
2 - FIXED COLUMN SHROUD
3 - LOWER TILTING COLUMN SHROUD
4 - SCREW
Fig. 3 Steering Column Connections
1 - LEFT MULTIFUNCTION SWITCH CONNECTOR
2 - LOWER CLOCKSPRING CONNECTORS
3 - RIGHT MULTIFUNCTION SWITCH CONNECTOR
4 - SHIFTER INTERLOCK CABLE CONNECTOR
5 - SHIFTER INTERLOCK SOLENOID CONNECTOR
6 - IGNITION SWITCH CONNECTOR RECEPTACLES
7 - SKIM CONNECTOR
Fig. 4 Steering Column Mounting
1 - COLUMN MOUNTING NUTS
2 - COUPLER BOLT
23 - 38 INSTRUMENT PANEL SYSTEMWJ
INSTRUMENT PANEL SYSTEM (Continued)

(18) Remove the four nuts that secure the steering
column to the studs on the instrument panel steering
column support bracket.
(19) Remove the steering column from the instru-
ment panel. Be certain that the steering wheel is
locked and secured from rotation to prevent the loss
of clockspring centering.
(20) Disconnect the left and right body wire har-
ness connectors, the Ignition Off Draw (IOD) wire
harness connector and the fused B(+) wire harness
connector from the connector receptacles of the JB
(Fig. 5).(21) Disconnect the instrument panel wire harness
connectors from the following floor panel transmis-
sion tunnel components (Fig. 6):
²the Airbag Control Module (ACM) connector
receptacle
²the park brake switch terminal
²the transmission shifter connector receptacle.
(22) Remove the two nuts that secure the instru-
ment panel wire harness ground eyelets to the studs
on the floor panel transmission tunnel in front of and
behind the ACM.
(23) Disengage the retainers that secure the
instrument panel wire harness to the floor panel
transmission tunnel.
(24) Remove the instrument panel to center floor
tunnel bracket from the instrument panel and the
floor panel transmission tunnel. (Refer to 23 - BODY/
INSTRUMENT PANEL/IP CENTER FLOOR TUN-
NEL BRACKET - REMOVAL).
(25) Remove the one screw that secures the floor
duct to the heater and air conditioner housing near
the driver side of the floor panel transmission tunnel
and remove the duct from the housing.
(26) If the vehicle is equipped with the manual
heating and air conditioning system, disconnect the
vacuum harness connector located near the driver
side of the floor panel transmission tunnel behind
the driver side floor duct.
(27) Remove the one screw that secures the instru-
ment panel steering column support bracket to the
driver side end of the heater and air conditioner
housing (Fig. 7).
(28) Remove the one screw that secures the instru-
ment panel steering column support bracket to the
intermediate bracket on the driver side dash panel
(Fig. 8).
Fig. 5 Junction Block Connections
1 - SNAP CLIPS
2 - SCREW
3 - CONNECTOR
4 - LEFT BODY WIRE HARNESS
5 - IOD CONNECTOR
6 - FUSED B+ CONNECTOR
7 - RIGHT BODY WIRE HARNESS
8 - SCREW
9 - CONNECTOR
10 - JUNCTION BLOCK
WJINSTRUMENT PANEL SYSTEM 23 - 39
INSTRUMENT PANEL SYSTEM (Continued)

Fig. 6 Floor Panel Transmission Tunnel
1 - AIRBAG CONTROL MODULE CONNECTOR
2 - PARK BRAKE SWITCH CONNECTOR
3 - AIRBAG CONTROL MODULE
4 - NUT (2)
5 - STUD
6 - GROUND EYELET7 - RETAINER
8 - STUD
9 - GROUND EYELET
10 - INSTRUMENT PANEL WIRE HARNESS
11 - TRANSMISSION SHIFTER CONNECTOR
Fig. 7 Instrument Panel to Heater-A/C Housing -
Driver Side
1 - HEATER AND AIR CONDITIONER HOUSING
2 - FLOOR DUCT
3 - INSTRUMENT PANEL STEERING COLUMN SUPPORT
BRACKET
4 - SCREW
Fig. 8 Instrument Panel to Intermediate Bracket
Mounting
1 - DASH PANEL
2 - SCREW
3 - INSTRUMENT PANEL STEERING COLUMN SUPPORT
BRACKET
4 - INTERMEDIATE BRACKET
23 - 40 INSTRUMENT PANEL SYSTEMWJ
INSTRUMENT PANEL SYSTEM (Continued)

(29) Remove the nut that secures the instrument
panel steering column support bracket to the stud on
the driver side cowl plenum panel (Fig. 9).
(30) Remove the two screws that secure the instru-
ment panel to the driver side cowl side inner panel
(Fig. 10).
(31) Remove the end cap from the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL END CAP - REMOVAL).
(32) Remove the lower right center bezel from the
instrument panel. (Refer to 23 - BODY/INSTRU-
MENT PANEL/IP LOWER RIGHT CENTER BEZEL
- REMOVAL).
(33) Disconnect the instrument panel wire harness
connector from the lower cavity of the inline connec-
tor on the passenger side cowl side inner panel (Fig.
11).
(34) Disconnect the two halves of the radio
antenna coaxial cable connector near the right cowl
side inner panel under the end of the instrument
panel.
Fig. 9 Instrument Panel to Cowl Plenum Mounting
1 - COWL PLENUM PANEL
2 - JUNCTION BLOCK
3 - INSTRUMENT PANEL STEERING COLUMN SUPPORT
BRACKET
4 - NUT
5 - STUD
Fig. 10 Instrument Panel to Driver Side Cowl Side
Inner Panel Mounting
1 - INSTRUMENT PANEL
2 - SCREW (2)
3 - COWL SIDE PANEL
Fig. 11 Instrument Panel Passenger Side
Connection
1 - INLINE CONNECTOR
2 - INSTRUMENT PANEL WIRE HARNESS CONNECTOR
WJINSTRUMENT PANEL SYSTEM 23 - 41
INSTRUMENT PANEL SYSTEM (Continued)

(35) Disconnect the two instrument panel wire
harness connectors from the two heater and air con-
ditioner housing connectors located near the blower
motor on the passenger side end of the housing (Fig.
12).
(36) Remove the two screws that secure the pas-
senger side instrument panel structural duct to the
heater and air conditioner housing (Fig. 13).(37) Remove the two screws that secure the instru-
ment panel to the passenger side cowl side inner
panel (Fig. 14).
(38) With the aid of an assistant, lift the instru-
ment panel assembly upward off of the studs on the
dash panel near the windshield fence line and to dis-
engage the molded plastic hook formations on the
instrument panel structural duct from the guide
holes at each cowl side inner panel.
(39)
Pull the instrument panel rearward from the
dash panel and the cowl side inner panels and remove it
through the driver side front door of the vehicle.
Fig. 12 Heater and Air Conditioner Housing
Connections
1 - INSTRUMENT PANEL
2 - HVAC HOUSING
3 - INSTRUMENT PANEL WIRE HARNESS
4 - BLOWER MOTOR
Fig. 13 Passenger Side Instrument Panel to
Heater-A/C Housing Mounting
1 - HEATER AND AIR CONDITIONER HOUSING
2 - INSTRUMENT PANEL STRUCTURAL DUCT
3 - SCREW (2)
Fig. 14 Instrument Panel to Passenger Side Cowl
Side Inner Panel Mounting
1 - COWL SIDE INNER PANEL
2 - INSTRUMENT PANEL STRUCTURAL DUCT
3 - SCREW (2)
23 - 42 INSTRUMENT PANEL SYSTEMWJ
INSTRUMENT PANEL SYSTEM (Continued)

INSTALLATION
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Prior to installing the instrument panel into
the vehicle, loosen the three nuts that secure the
instrument panel intermediate bracket and the accel-
erator pedal assembly to the studs on the dash panel
(Fig. 8).
(2) With the aid of an assistant, load the instru-
ment panel assembly through the driver side front
door of the vehicle and hang it on the studs on the
dash panel near the windshield fence line (Fig. 1).
(3) Be certain that the molded plastic hook forma-
tions on the instrument panel structural duct are
inserted into and seated in the guide holes at each
cowl side inner panel.
(4) Loosely install the two screws that secure each
end of the instrument panel to the cowl side inner
panels.
(5) Install and tighten the two screws that secure
the passenger side instrument panel structural duct
to the heater and air conditioner housing (Fig. 13).
Tighten the screws to 11.8 N´m (105 in. lbs.).
(6) Install and tighten the one screw that secures
the instrument panel steering column support
bracket to the driver side end of the heater and air
conditioner housing (Fig. 7). Tighten the screw to
11.8 N´m (105 in. lbs.).
(7) Tighten the two screws that secure each end of
the instrument panel to the cowl side inner panels
(Fig. 10) and (Fig. 14). Tighten the screws to 11.8
N´m (105 in. lbs.).
(8) Install and tighten the one screw that secures
the instrument panel steering column support
bracket to the intermediate bracket on the driver
side dash panel (Fig. 8). Tighten the screw to 11.3
N´m (100 in. lbs.).
(9) Tighten the three nuts that secure the instru-
ment panel intermediate bracket and the accelerator
pedal assembly to the studs on the dash panel.
Tighten the nuts to 11.3 N´m (100 in. lbs.).(10) Install and tighten the four nuts that secure
the instrument panel to the studs on the dash panel
near the windshield fence line. Tighten the nuts to
11.8 N´m (105 in. lbs.).
(11) Install and tighten the nut that secures the
instrument panel steering column support bracket to
the stud on the driver side cowl plenum panel (Fig.
9). Tighten the nut to 28.2 N´m (250 in. lbs.).
(12) Reinstall the instrument panel to center floor
tunnel bracket onto the instrument panel and the
floor panel transmission tunnel. (Refer to 23 - BODY/
INSTRUMENT PANEL/IP CENTER FLOOR TUN-
NEL BRACKET - INSTALLATION).
(13) Reconnect the two instrument panel wire har-
ness connectors to the two heater and air conditioner
housing connectors located near the blower motor on
the passenger side end of the housing (Fig. 12).
(14) Reconnect the two halves of the radio antenna
coaxial cable connector near the right cowl side inner
panel under the end of the instrument panel.
(15) Reconnect the instrument panel wire harness
connector to the lower cavity of the inline connector
on the passenger side cowl side inner panel and
tighten the connector screw (Fig. 11). Tighten the
screw to 4 N´m (36 in. lbs.).
(16) Reinstall the lower right center bezel onto the
instrument panel. (Refer to 23 - BODY/INSTRU-
MENT PANEL/IP LOWER RIGHT CENTER BEZEL
- INSTALLATION).
(17) Reinstall the end cap onto the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL END CAP - INSTALLA-
TION).
(18) If the vehicle is equipped with the manual
heating and air conditioning system, reconnect the
vacuum harness connector located near the driver
side of the floor panel transmission tunnel behind
the driver side floor duct.
(19) Position the driver side floor duct to the
heater and air conditioner housing near the driver
side of the floor panel transmission tunnel (Fig. 7).
(20) Install and tighten the one screw that secures
the driver side floor duct to the heater and air con-
ditioner housing near the driver side of the floor
panel transmission tunnel. Tighten the screw to 2.2
N´m (20 in. lbs.).
(21) Route the instrument panel wire harness to
the floor panel transmission tunnel and engage the
retainers that secure the harness to the mounting
brackets on the tunnel (Fig. 6).
(22) Install the instrument panel wire harness
ground eyelets to the studs on the floor panel trans-
mission tunnel in front of and behind the airbag con-
trol module and secure the eyelets with nuts. Tighten
the nuts to 7.3 N´m (65 in. lbs.).
WJINSTRUMENT PANEL SYSTEM 23 - 43
INSTRUMENT PANEL SYSTEM (Continued)