audio JEEP GRAND CHEROKEE 2002 WJ / 2.G Owner's Guide

8W-47 AUDIO SYSTEM
Component Page
Antenna........................... 8W-47-2
Antenna Module..................... 8W-47-3
Body Control Module............. 8W-47-2, 3, 13
Clockspring........................ 8W-47-13
Compact Disc Changer.............. 8W-47-6, 7
Diagnostic Junction Port...... 8W-47-2, 3, 6, 7, 13
Fuse 5........................... 8W-47-2, 3
Fuse 30.......................... 8W-47-2, 3
G300............................ 8W-47-2, 3
Junction Block.................... 8W-47-2, 3Component Page
Left Front Door Speaker......... 8W-47-4, 10, 11
Left Instrument Panel Speaker....... 8W-47-4, 12
Left Rear Door Speaker.......... 8W-47-5, 10, 11
Left Remote Radio Switch............. 8W-47-13
Power Amplifier..... 8W-47-3, 6, 7, 8, 9, 10, 11, 12
Radio............. 8W-47-2, 3, 4, 5, 6, 7, 8, 9, 13
Right Front Door Speaker........ 8W-47-4, 10, 11
Right Instrument Panel Speaker..... 8W-47-4, 12
Right Rear Door Speaker......... 8W-47-5, 10, 11
Right Remote Radio Switch........... 8W-47-13
WJ8W-47 AUDIO SYSTEM 8W - 47 - 1

C302 - BLACK (FRONT DRIVER DOOR SIDE)
CAV CIRCUIT
1 P112 20YL/WT
2 P114 20YL/RD
3 D25 20YL/VT
4 Z1 12BK
5 E21 20OR/RD
6 Q13 16DB
7 Q23 16RD/WT
8 A146 12OR/WT
9 X85 18LG/DG (LHD PREMIUM)
9 X80 18LG/DG (RHD PREMIUM)
9 X55 18LG/DG (BASE)
10 X53 18LG/RD (BASE)
10 X82 18LG/RD (RHD PREMIUM)
10 X87 18LG/RD (LHD PREMIUM)
11 M1 18PK (JAPAN)
12 -
13 -
14 -
C303 - WHITE (RIGHT BODY SIDE)
CAV CIRCUIT
1 X58 18DB/OR (BASE AUDIO)
1 X92 18TN/DG (PREMIUM AUDIO)
2 X52 18DB/WT (BASE AUDIO)
2 X90 18WT/VT (PREMIUM AUDIO)
3 E21 20OR/DB (RHD)
3 E20 20OR/DB (LHD)
4 P35 18OR/VT
5 P36 18PK/VT
6-
7-
8 Q13 16DB (RHD)
8 Q14 16GY (LHD)
9 Q24 16DG (LHD)
9 Q23 16RD/WT (RHD)
10 Z151 16BK (RHD)
10 Z28 16BK (LHD)
11 G76 18TN/YL (LHD)
11 G76 20TN/YL (RHD)
8W - 80 - 50 8W-80 CONNECTOR PIN-OUTWJ

COIL ON PLUG NO. 7 (4.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K97 14BR COIL DRIVER NO. 7
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL ON PLUG NO. 8 (4.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K98 14LB/RD COIL DRIVER NO. 8
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL RAIL (4.0L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K91 14TN/RD COIL DRIVER NO. 1
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3 K92 14TN/PK COIL DRIVER NO. 2
4 K93 14TN/OR COIL DRIVER NO. 3
COMPACT DISC CHANGER (PREMIUM RADIO) - BLACK 8 WAY
CAV CIRCUIT FUNCTION
1 X40 20WT/RD AUDIO OUT RIGHT
2 C235 20WT/LB SHIELD
3 D25 20YL/VT PCI BUS
4 X112 20RD IGNITION SWITCH OUTPUT (RUN-ACC)
5 X41 20WT/DG AUDIO OUT LEFT
6 Z4 20WT/BK GROUND
7 Z17 20BK GROUND
8 X160 20YL B(+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 63

RADIATOR FAN RELAY - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Z1 20BK GROUND
2 C24 20DB/PK RADIATOR FAN RELAY CONTROL
3 C23 12DG RADIATOR FAN RELAY OUTPUT
4 A16 12GY FUSED B(+)
RADIO C1 - GRAY 22 WAY
CAV CIRCUIT FUNCTION
1 F60 16RD/WT FUSED B(+)
2 X12 16WT/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
3 E2 20OR PANEL LAMPS DRIVER
4- -
5- -
6- -
7 X54 18VT RIGHT FRONT SPEAKER (+)
8 X56 18DB/PK RIGHT FRONT SPEAKER (-)
9 X55 18BR/RD LEFT FRONT SPEAKER (-)
10 X53 18DG/OR LEFT FRONT SPEAKER (+)
11 Z9 16BK GROUND
12 F60 16RD/WT FUSED B(+)
13 X64 18BR/WT ENABLE SIGNAL TO AMPLIFIER
14 D25 20YL/VT/DB PCI BUS
15 - -
16 - -
17 - -
18 X51 18WT/DG LEFT REAR SPEAKER (+)
19 X57 18DG/WT LEFT REAR SPEAKER (-)
20 X58 18DB/OR RIGHT REAR SPEAKER (-)
21 X52 18DB/WT RIGHT REAR SPEAKER (+)
22 Z9 16BK GROUND
RADIO C2 - GRAY 10 WAY
CAV CIRCUIT FUNCTION
1 X40 20WT/RD AUDIO OUT RIGHT
2 Z4 20WT/BK GROUND
3 Z5 20BK/LB SHIELD
4- -
5 X112 20RD IGNITION SWITCH OUTPUT (RUN-ACC)
6 X41 20WT/DG AUDIO OUT LEFT
7 Z17 20BK GROUND
8- -
9- -
10 X160 20YL FUSED B(+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 111

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) If the vehicle is not equipped with the optional
automatic headlamps light sensor/vehicle theft secu-
rity system indicator, be certain that the hole plug is
installed in the clearance hole located to the out-
board side of the driver side defroster outlet in the
instrument panel top cover (Fig. 22).
(2) Before installing the top cover onto the top of
the instrument panel, be certain that the rubber top
cover seal is properly positioned on the forward edge
of the top cover panel.
(3) Position the top cover onto the top of the
instrument panel.
(4) Align the four snap clips on the top cover with
the snap clip receptacles in the instrument panel top
pad.
(5) Press firmly downward on the top cover over
each of the four snap clip locations until each of the
snap clips is fully seated in their receptacles in the
instrument panel top pad.
(6) Reconnect the battery negative cable.
INSTRUMENT PANEL TOP PAD
REMOVAL
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) Disconnect and isolate the battery negative
cable.
(2) Remove the trim from the right and left A-pil-
lars. (Refer to 23 - BODY/INTERIOR/A-PILLAR
TRIM - REMOVAL).
(3) Remove the top cover from the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL TOP COVER - REMOVAL).
(4) Remove the four nuts that secure the instru-
ment panel top pad to the studs on the dash panel
near the windshield fence line (Fig. 23).
(5) Remove the speakers from the instrument
panel top pad. (Refer to 8 - ELECTRICAL/AUDIO/
SPEAKER - REMOVAL - INSTRUMENT PANEL
SPEAKER).
(6) Disengage the retainer that secures each of the
two instrument panel wire harness speaker take outs
to the mounting hole in the instrument panel top
pad. Tuck the loose ends of these speaker take outs
down the defroster ducts to keep them out of the way
during the remainder of this procedure.
(7) If the vehicle is so equipped, remove the two
screws that secure the automatic headlamp light sen-
sor/vehicle theft security system indicator unit to the
instrument panel top pad just outboard of the driver
side defroster outlet. Move the sensor/indicator unit
towards the windshield to keep it out of the way dur-
ing the remainder of this procedure.
(8) Remove the cluster bezel from the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
CLUSTER BEZEL - REMOVAL).
(9) Remove the instrument cluster from the instru-
ment panel. (Refer to 8 - ELECTRICAL/INSTRU-
MENT CLUSTER - REMOVAL).
(10) Remove the steering column opening cover
from the instrument panel. (Refer to 23 - BODY/IN-
STRUMENT PANEL/STEERING COLUMN OPEN-
ING COVER - REMOVAL).
(11) Roll the glove box down from the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
GLOVE BOX - STANDARD PROCEDURE - GLOVE
BOX ROLL DOWN).
(12) Remove the end cap from the passenger side
lower outboard end of the instrument panel. (Refer to
23 - BODY/INSTRUMENT PANEL/INSTRUMENT
PANEL END CAP - REMOVAL).
(13) Remove the lower right center bezel from the
instrument panel. (Refer to 23 - BODY/INSTRU-
MENT PANEL/IP LOWER RIGHT CENTER BEZEL
- REMOVAL).
(14) Remove the glove box lamp and switch from
the instrument panel. (Refer to 8 - ELECTRICAL/
LAMPS/LIGHTING - INTERIOR/GLOVE BOX
LAMP/SWITCH - REMOVAL).
23 - 52 INSTRUMENT PANEL SYSTEMWJ
INSTRUMENT PANEL TOP COVER (Continued)

(6) Reach through the front bin opening of the
floor console to access and tighten the two nuts that
secure the center floor tunnel bracket to the studs on
the floor panel transmission tunnel. Tighten the nuts
to 11.8 N´m (105 in. lbs.).
(7) Reinstall the front bin into the floor console.
(Refer to 23 - BODY/INTERIOR/FLOOR CONSOLE -
INSTALLATION).
(8) Install and tighten all of the screws that secure
the perimeter of the top pad to the instrument panel
structural duct. Tighten the screws to 2.2 N´m (20 in.
lbs.).
(9) Install and tighten the four screws that secure
the heater-A/C control to the instrument panel struc-
tural duct. Tighten the screws to 2.2 N´m (20 in.
lbs.).
(10) Install and tighten the four screws that secure
the radio to the instrument panel structural duct.
Tighten the screws to 2.2 N´m (20 in. lbs.).
(11) Reinstall the center lower bezel onto the
instrument panel. (Refer to 23 - BODY/INSTRU-
MENT PANEL/IP CENTER BEZEL - LOWER -
INSTALLATION).
(12) Reinstall the center upper bezel onto the
instrument panel. (Refer to 23 - BODY/INSTRU-
MENT PANEL/IP CENTER BEZEL - UPPER -
INSTALLATION).
(13) Install and tighten the two large screws on
the glove box opening upper reinforcement that
secure the top pad to the instrument panel structural
duct (Fig. 24). Tighten the screws to 11.8 N´m (105
in. lbs.).
(14) Install and tighten the two small screws on
the glove box opening upper reinforcement that
secure the panel outlets to the instrument panel
structural duct. Tighten the screws to 2.2 N´m (20 in.
lbs.).
(15) Reinstall the glove box lamp and switch into
the instrument panel. (Refer to 8 - ELECTRICAL/
LAMPS/LIGHTING - INTERIOR/GLOVE BOX
LAMP/SWITCH - INSTALLATION).
(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) Roll the glove box back up into the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
GLOVE BOX - STANDARD PROCEDURE - GLOVE
BOX ROLL DOWN).
(19) Reinstall the steering column opening cover
onto the instrument panel. (Refer to 23 - BODY/IN-
STRUMENT PANEL/STEERING COLUMN OPEN-
ING COVER - INSTALLATION).
(20) Reinstall the instrument cluster into the
instrument panel. (Refer to 8 - ELECTRICAL/IN-
STRUMENT CLUSTER - INSTALLATION).
(21) Reinstall the cluster bezel onto the instru-
ment panel. (Refer to 23 - BODY/INSTRUMENT
PANEL/CLUSTER BEZEL - INSTALLATION).
(22) If the vehicle is so equipped, position the
automatic headlamp light sensor/vehicle theft secu-
rity system indicator unit to the instrument panel
top pad just outboard of the driver side defroster out-
let. Install and tighten the two screws that secure
the sensor/indicator unit. Tighten the screws to 2.2
N´m (20 in. lbs.).
(23) Engage the retainer that secures each of the
two instrument panel wire harness speaker take outs
to the mounting hole in the instrument panel top
pad.
(24) Reinstall the speakers onto the instrument
panel top pad. (Refer to 8 - ELECTRICAL/AUDIO/
SPEAKER - INSTALLATION - INSTRUMENT
PANEL SPEAKER).
(25) Install and tighten the four nuts that secure
the instrument panel top pad to the studs on the
dash panel near the windshield fence line (Fig. 23).
Tighten the nuts to 11.8 N´m (105 in. lbs.).
(26) Reinstall the top cover onto the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL TOP COVER - INSTALLA-
TION).
(27) Reinstall the trim onto the right and left
A-pillars. (Refer to 23 - BODY/INTERIOR/A-PILLAR
TRIM - INSTALLATION).
(28) Reconnect the battery negative cable.
WJINSTRUMENT PANEL SYSTEM 23 - 55
INSTRUMENT PANEL TOP PAD (Continued)

(4) Install screw attaching B-pillar lower trim to
B-pillar.
(5) Install screw attaching front of B-pillar lower
trim to floor.
(6) Install screw attaching front of quarter panel
trim to floor.
(7) Install front seat shoulder belt anchor bolt.
(8) Install front seat shoulder belt height adjust-
ment knob and turning loop.
(9) Install front door sill trim (Refer to 23 - BODY/
INTERIOR/DOOR SILL TRIM - INSTALLATION).
B-PILLAR UPPER TRIM
REMOVAL
(1) Remove shoulder belt height adjustment knob.
(2) Remove front seat belt turning loop.
(3) Remove the screw attaching lower B pillar
trim.
(4) Pull lower B pillar trim out far enough to
remove upper trim panel.
(5) Grasp upper B-pillar trim and pull outward to
detach from B-pillar (Fig. 2).
INSTALLATION
(1) Position trim panel on B-pillar (Fig. 2).
(2) Ensure trim panel covers inner edge of door
opening weatherstrip and press inward to seat.
(3) Install screw attaching lower B pillar trim
panel.
(4) Install front seat belt turning loop.
(5) Install shoulder belt height adjustment knob.
CARPETS AND FLOOR MATS
REMOVAL
REMOVAL - FRONT CARPET
(1) Remove door sill trim (Refer to 23 - BODY/IN-
TERIOR/DOOR SILL TRIM - REMOVAL).
(2) Remove the B-pillar lower trim, refer to (Refer
to 23 - BODY/INTERIOR/B-PILLAR LOWER TRIM -
REMOVAL).
(3) Remove front seats (Refer to 23 - BODY/
SEATS/SEAT - REMOVAL).
(4) Remove the rear seats lower cushions (Refer to
23 - BODY/SEATS/SEAT CUSHION - REMOVAL).
(5) Remove center floor console (Refer to 23 -
BODY/INTERIOR/FLOOR CONSOLE - REMOVAL).
(6) Remove any other interfering trim or molding.
(7) Lift carpet and mat from floor panel.
REMOVAL - CARGO AREA CARPET
(1) Lift tailgate.
(2) Fold rear seat cushions forward.
(3) Remove rear seat backs (Refer to 23 - BODY/
SEATS/REAR SEAT BACK - REMOVAL).
(4) Remove the rear shoulder belts (Refer to 8 -
ELECTRICAL/RESTRAINTS/REAR SEAT BELT &
RETRACTOR - REMOVAL).
(5) Remove the retractable security cargo cover
assembly.
(6) Remove the spare tire cover.
(7) Remove the rear cargo tie down footman loops.
The side mounted footman loops are retained by
screws. The floor footman loops are riveted (Fig. 3).
(8) Remove the C pillar trim (Refer to 23 - BODY/
INTERIOR/C-PILLAR TRIM - REMOVAL).
(9) Remove the CD changer, if equipped (Refer to 8
- ELECTRICAL/AUDIO/CD CHANGER - REMOV-
AL).
(10) Remove the Infinity amp, if equipped (Refer to
8 - ELECTRICAL/AUDIO/AMPLIFIER - REMOVAL).
(11) Lift the carpet.
INSTALLATION
INSTALLATION - FRONT CARPET
(1) Carefully lay the carpet and mat on the floor
panel. Align the carpet to allow installation of the
components fastened to the floor panel.
(2) Install the center console (Refer to 23 - BODY/
INTERIOR/FLOOR CONSOLE - INSTALLATION).
(3) Install the front seats (Refer to 23 - BODY/
SEATS/SEAT - INSTALLATION).
(4) Install the rear seat cushions (Refer to 23 -
BODY/SEATS/SEAT CUSHION - INSTALLATION).
Fig. 3 Cargo Area Carpet
1 - CARGO AREA CARPET
2 - RIVET
3 - CARGO TIE-DOWN LOOP
WJINTERIOR 23 - 71
B-PILLAR LOWER TRIM (Continued)

(5) Install the lower B pillar trim (Refer to 23 -
BODY/INTERIOR/B-PILLAR LOWER TRIM -
INSTALLATION).
(6) Install the door sill trim (Refer to 23 - BODY/
INTERIOR/DOOR SILL TRIM - INSTALLATION).
(7) Install any other moldings or trim panels
removed.
INSTALLATION - CARGO AREA CARPET
(1) Thoroughly clean the area with Mopar Super
Kleent, or equivalent.
(2) Lay the new carpet in.
(3) Install the ªCº pillar trim (Refer to 23 - BODY/
INTERIOR/C-PILLAR TRIM - INSTALLATION).
(4) Install the CD changer, if equipped (Refer to 8 -
ELECTRICAL/AUDIO/CD CHANGER - INSTALLA-
TION).
(5) Install the footman loops (Fig. 3).
(6) Install the rear shoulder belts (Refer to 8 -
ELECTRICAL/RESTRAINTS/REAR SEAT BELT &
RETRACTOR - INSTALLATION).
(7) Install the rear seat backs (Refer to 23 -
BODY/SEATS/REAR SEAT BACK - INSTALLA-
TION).
(8) Install the Infinity amp, if equipped (Refer to 8
- ELECTRICAL/AUDIO/AMPLIFIER - INSTALLA-
TION).
(9) Install the spare tire cover.
(10) Install the retractable security cover.
COWL TRIM
REMOVAL
(1) Remove front door sill trim (Refer to 23 -
BODY/INTERIOR/DOOR SILL TRIM - REMOVAL).
(2) Remove screws attaching cowl trim to floor.
(3) Remove plastic nut.
(4) Grasp cowl trim and pull outward to separate
from clip.
(5) Separate cowl trim from vehicle.
INSTALLATION
(1) Position cowl trim and press into place.
(2) Install screws attaching cowl trim to floor.
(3) Install plastic nut.
(4) Install front door sill trim (Refer to 23 - BODY/
INTERIOR/DOOR SILL TRIM - INSTALLATION).
C-PILLAR TRIM
REMOVAL
(1) Remove rear shoulder belt turning loop.
(2) Remove rear shoulder belt height adjustment
knob.
(3) Remove screws attaching quarter panel trim.
(4) Pull quarter panel trim outward as necessary.
(5) Grasp C-pillar upper trim and pull outward to
disengage from C-pillar (Fig. 4).
(6) Route rear shoulder belt through access hole.
(7) Separate C-pillar upper trim from vehicle.
INSTALLATION
(1) Position C-pillar upper trim at C-pillar (Fig. 4).
(2) Route rear shoulder belt through access hole.
(3) Press C-pillar upper trim onto C-pillar.
(4) Press quarter panel trim into place as neces-
sary.
(5) Ensure front edge of trim is covered by weath-
erstrip.
(6) Install screws attaching quarter panel trim.
(7) Install rear shoulder belt height adjustment
knob.
(8) Install rear shoulder belt turning loop.
23 - 72 INTERIORWJ
CARPETS AND FLOOR MATS (Continued)