2002 JEEP GRAND CHEROKEE Door amplifier

8W-18 BUS COMMUNICATIONS
Component Page
Adjustable Pedals Module.............. 8W-18-2
Airbag Control Module.............. 8W-18-4, 7
Automatic Zone Control Module....... 8W-18-4, 7
Body Control Module......... 8W-18-4, 7, 8, 9, 10
Compact Disc Changer.............. 8W-18-3, 5
Controller Antilock Brake.......... 8W-18-2, 3, 5
Data Link Connector......... 8W-18-4, 7, 8, 9, 10
Diagnostic Junction Port...... 8W-18-4, 7, 8, 9, 10
Driver Door Module................ 8W-18-2, 5
Engine Control Module........... 8W-18-3, 5, 10
Fuse 17....................... 8W-18-8, 9, 10
G103......................... 8W-18-8, 9, 10
Instrument Cluster.......... 8W-18-4, 7, 8, 9, 10Component Page
Intrusion Transceiver Module......... 8W-18-2, 6
Junction Block.................. 8W-18-8, 9, 10
Passenger Door Module.............. 8W-18-3, 6
Power Amplifier................... 8W-18-3, 5
Powertrain Control Module....... 8W-18-3, 5, 8, 9
Radio............................ 8W-18-4, 7
Rain Sensor...................... 8W-18-2, 6
Seat Module...................... 8W-18-2, 5
Sentry Key Immobilizer Module....... 8W-18-4, 7
Shifter Assembly................... 8W-18-4, 7
Transmission Control Module . . 8W-18-3, 6, 8, 9, 10
Vehicle Information Center........... 8W-18-2, 6
WJ8W-18 BUS COMMUNICATIONS 8W - 18 - 1

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

Component Page
LIFTGATE FLIP-UP PUSH
BUTTON SWITCH................ 8W-80-97
LIFTGATE FLIP-UP RELEASE
SOLENOID...................... 8W-80-97
LIFTGATE POWER LOCK MOTOR..... 8W-80-97
LINE PRESSURE SENSOR (4.7L)...... 8W-80-98
MANIFOLD ABSOLUTE PRESSURE
SENSOR (4.0L)................... 8W-80-98
MANIFOLD ABSOLUTE PRESSURE
SENSOR (4.7L)................... 8W-80-98
MANUAL TEMPERATURE
CONTROL C1 (MTC).............. 8W-80-98
MANUAL TEMPERATURE
CONTROL C2 (MTC).............. 8W-80-99
MASS AIR FLOW SENSOR (DIESEL) . . . 8W-80-99
MODE DOOR MOTOR/ACTUATOR
(AZC).......................... 8W-80-99
NEEDLE MOVEMENT SENSOR
(DIESEL)....................... 8W-80-99
OUTPUT SPEED SENSOR (4.0L)...... 8W-80-99
OUTPUT SPEED SENSOR (4.7L)..... 8W-80-100
OVERHEAD MAP/COURTESY LAMP . . 8W-80-100
OXYGEN SENSOR 1/1 UPSTREAM.... 8W-80-100
OXYGEN SENSOR 1/2 DOWNSTREAM . 8W-80-100
OXYGEN SENSOR 2/1 UPSTREAM.... 8W-80-100
OXYGEN SENSOR 2/2
DOWNSTREAM................. 8W-80-101
PARK/NEUTRAL POSITION SWITCH
(4.0L).......................... 8W-80-101
PARK/NEUTRAL POSITION SWITCH
(DIESEL)...................... 8W-80-101
PASSENGER AIRBAG.............. 8W-80-101
PASSENGER BLEND DOOR
MOTOR/ACTUATOR (LHD) (AZC) . . . 8W-80-101
PASSENGER BLEND DOOR
MOTOR/ACTUATOR (RHD) (AZC) . . . 8W-80-102
PASSENGER CURTAIN AIRBAG...... 8W-80-102
PASSENGER DOOR LOCK MOTOR/AJAR
SWITCH....................... 8W-80-102
PASSENGER DOOR MODULE C1..... 8W-80-102
PASSENGER DOOR MODULE C2..... 8W-80-103
PASSENGER FRONT DOOR
COURTESY LAMP............... 8W-80-103
PASSENGER FRONT POWER
WINDOW MOTOR............... 8W-80-103
PASSENGER HEATED SEAT BACK
(PREMIUM I/III)................. 8W-80-103
PASSENGER HEATED SEAT CUSHION
(PREMIUM I/III)................. 8W-80-104
PASSENGER HEATED SEAT SWITCH . 8W-80-104
PASSENGER LUMBAR MOTOR
(MIDLINE/PREMIUM)............ 8W-80-104
PASSENGER LUMBAR SWITCH
(MIDLINE/PREMIUM)............ 8W-80-104
PASSENGER POWER MIRROR....... 8W-80-105Component Page
PASSENGER POWER SEAT FRONT
RISER MOTOR.................. 8W-80-105
PASSENGER POWER SEAT
HORIZONTAL MOTOR........... 8W-80-105
PASSENGER POWER SEAT REAR
RISER MOTOR.................. 8W-80-105
PASSENGER POWER SEAT RECLINER
MOTOR (MIDLINE/PREMIUM)..... 8W-80-106
PASSENGER POWER SEAT SWITCH
(MIDLINE/PREMIUM)............ 8W-80-106
PASSENGER REAR POWER
WINDOW MOTOR............... 8W-80-106
PASSENGER REAR POWER
WINDOW SWITCH............... 8W-80-106
PASSENGER SEAT BELT SWITCH.... 8W-80-106
PASSENGER SIDE IMPACT
SENSOR....................... 8W-80-107
POWER AMPLIFIER C1
(PREMIUM RADIO).............. 8W-80-107
POWER AMPLIFIER C2
(PREMIUM RADIO).............. 8W-80-107
POWER CONNECTOR.............. 8W-80-108
POWERTRAIN CONTROL
MODULE C1 (GAS).............. 8W-80-108
POWERTRAIN CONTROL
MODULE C2 (GAS).............. 8W-80-109
POWERTRAIN CONTROL
MODULE C3 (GAS).............. 8W-80-110
RADIATOR FAN MOTOR............ 8W-80-110
RADIATOR FAN RELAY............. 8W-80-111
RADIO C1........................ 8W-80-111
RADIO C2........................ 8W-80-111
RAIN SENSOR (AUTOWIPE)......... 8W-80-112
REAR POWER OUTLET............. 8W-80-112
REAR WASHER PUMP.............. 8W-80-112
REAR WIPER MOTOR.............. 8W-80-112
RECIRCULATION DOOR
MOTOR/ACTUATOR (AZC)......... 8W-80-112
RED BRAKE WARNING INDICATOR
SWITCH....................... 8W-80-113
REMOTE KEYLESS MODULE
(JAPAN)....................... 8W-80-113
RIGHT COURTESY LAMP........... 8W-80-113
RIGHT DOOR HANDLE
COURTESY LAMP............... 8W-80-113
RIGHT FOG LAMP................. 8W-80-113
RIGHT FRONT DOOR SPEAKER..... 8W-80-114
RIGHT FRONT IMPACT SENSOR..... 8W-80-114
RIGHT FRONT PARK LAMP......... 8W-80-114
RIGHT FRONT PARK/TURN SIGNAL LAMP
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-114
RIGHT FRONT SIDE MARKER LAMP
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-115
RIGHT FRONT TURN SIGNAL LAMP
(BUILT-UP-EXPORT)............. 8W-80-115
8W - 80 - 4 8W-80 CONNECTOR PIN-OUTWJ

PASSENGER SIDE IMPACT SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 R134 20LB/BR PASSENGER SIDE IMPACT SENSOR GROUND
4 R132 20LG/VT PASSENGER SIDE IMPACT SENSOR SIGNAL
POWER AMPLIFIER C1 (PREMIUM RADIO) - WHITE 18 WAY
CAV CIRCUIT FUNCTION
1 D25 18YL/VT PCI BUS
2 F60 16RD/WT FUSED B(+)
3 Z9 16BK GROUND
4- -
5 X58 18DB/OR RIGHT REAR SPEAKER (-)
6 X57 18DG/WT LEFT REAR SPEAKER (-)
7 X56 18DB/PK RIGHT FRONT SPEAKER (-)
8 X55 18BR/RD LEFT FRONT SPEAKER (-)
9- -
10 F60 16RD/WT FUSED B(+)
11 Z9 16BK GROUND
12 - -
13 X64 18BR/WT ENABLE SIGNAL TO AMPLIFIER
14 - -
15 X52 18DB/WT RIGHT REAR SPEAKER (+)
16 X51 18WT/DG LEFT REAR SPEAKER (+)
17 X54 18VT RIGHT FRONT SPEAKER (+)
18 X53 18DG/OR LEFT FRONT SPEAKER (+)
POWER AMPLIFIER C2 (PREMIUM RADIO) - WHITE 12 WAY
CAV CIRCUIT FUNCTION
1 X90 18WT/VT RIGHT REAR DOOR SPEAKER (+)
2 X92 18TN/DG RIGHT REAR DOOR SPEAKER (-)
3 X85 18LG/DG LEFT FRONT DOOR SPEAKER (-)
4 X83 18YL/RD LEFT INSTRUMENT PANEL SPEAKER (+)
5 X84 18OR/GY RIGHT INSTRUMENT PANEL SPEAKER (-)
6 X93 18DG/WT LEFT REAR DOOR SPEAKER (+)
7 X91 18WT/DG LEFT REAR DOOR SPEAKER (-)
8 X87 18LG/RD LEFT FRONT DOOR SPEAKER (+)
9 X80 18LB/BK RIGHT FRONT DOOR SPEAKER (-)
10 X82 18LB/RD RIGHT FRONT DOOR SPEAKER (+)
11 X81 18YL/BK LEFT INSTRUMENT PANEL SPEAKER (-)
12 X86 18OR/RD RIGHT INSTRUMENT PANEL SPEAKER (+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 107

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Passenger Power Seat Rear
Riser MotorRD At Passenger Seat N/S
Passenger Power Seat
Recliner Motor (Midline/
Premium)BK At Passenger Seat N/S
Passenger Power Seat Switch
(Midline/Premium)GN At Passenger Seat N/S
Passenger Rear Power
Window MotorBK In Right Rear Door 29
Passenger Rear Power
Window SwitchBL In Right Rear Door 29
Passenger Seat Belt Switch t Switch N/S
Power Amplifier - C1 WT Under Rear Seat 34, 36
Power Amplifier - C2 WT Under Rear Seat 34, 36
Power Connector WT Center of Instrument Panel 21, 22
Powertrain Control Module -
C1 (Gas)BK Rear of Engine Compartment 5, 10, 11, 14, 15, 18
Powertrain Control Module -
C2 (Gas)WT Rear of Engine Compartment 5, 10, 11, 14, 15, 18
Powertrain Control Module -
C3 (Gas)WT Rear of Engine Compartment N/S
Radiator Fan Motor BK At Radiator 5
Radiator Fan Relay BK Right Side of Engine Compartment 5
Radio - C1 GY Center of Instrument Panel 19, 20
Radio - C2 BK Center of Instrument Panel 19, 20
Rain Sensor BK Front Center Overhead N/S
Rear Power Outlet RD Right Rear Quarter Panel 37
Rear Washer Pump BK Left Front of Engine Compartment 3, 4
Rear Window Defogger BK Right Upper Coner of Liftgate 38
Rear Wiper Motor BK In Liftgate 38
Recirculation Door Motor/
Actuator (AZC)BK Center of Instrument Panel N/S
Red Brake Warning Indicator
SwitchGY At Master Cylinder 4
Remote Keyless Module
(Japan)BL In Driver Door 25
Right Courtesy Lamp BK At Lamp 20 21, 22
Right Curtain Airbag BK Near Right C Pillar 37
Right Door Handle Courtesy
LampBK At Lamp N/S
Right Fog Lamp BK At Right Front Fascia 5
Right Front Door Speaker WT In Right Front Door 25, 26
Right Front Impact Sensor BK Near Right Verticle Radiator Support N/S
Right Front Park Lamp WT At Lamp N/S
WJ8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 9
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

SPLICE
NUMBERLOCATION FIG.
S326 Near T/O for C200 34, 35
S327 Near T/O for c307 34, 35
S328 In Sill Trough Near T/O for G300 34
S329 In Sill Trough Near T/O for G300 34
S330 Near T/O for G300 34
S331 In Sill Trough Near T/O for C303 34, 36
S332 In Sill Trough Near T/O for C303 34, 36
S333 Near T/O for Power Amplifiers 36
S334 In T/O for Power Amplifier - C2 34
S335 Near T/O for C314 36
S336 Near T/O for Driver Power Window Motor 24, 25
S338 Near T/O for Passenger Power Window Motor 26, 27
S339 Near T/O for Passenger Power Window Motor 26 27
S340 In T/O for Passenger Door Module - C1 26, 27
S341 Near T/O for C306 N/S
S345 Near T/O for Sunroof Switch 32
S346 Near T/O for Left Visor/Vanity Lamp 32
S347 Near T/O for Left Visor/Vanity Lamp 32
S348 Near T/O for Automatic Day/Night Mirror 32
S349 Near T/O for Automatic Day/Night Mirror 32
S351 Near T/O for Seat Belt Switch N/S
S352 Near T/O for Seat Belt Switch N/S
S353 Near T/O for Driver Lumbar Switch N/S
S355 Near T/O for C304 and C306 N/S
S356 In T/O for Left Rear Door Lock Motor/Ajar Switch 28
S357 In T/O for Right Rear Door Lock Motor/Ajar Switch 29
S358 Near Left B Pillar Sill Trough 35
S359 Near T/O for C302 34
S360 In T/O for C302 N/S
S362 In T/O for C200 34
S363 In T/O for C200 34
S364 Near B Pillar Sill Trough 36
S365
JapanNear T/O for Remote Keyless Entry Module 24, 25
S366 Near T/O for Junction Block C1 N/S
S367 (RHD) Near T/O for C310 N/S
S368 Near T/O for Power Amplifier - C1 34
S369 Near T/O for Left Visor Vanity Lamp N/S
S370 Near T/O for Sunroof Module 32
S400 Near Rear Window Defogger Ground Connector 38
S401 Near Rear Window Defogger Ground Connector 38
S402 Near T/O for Liftgate Flip-Up Ajar Switch 38
8W - 91 - 16 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONWJ
CONNECTOR/GROUND/SPLICE LOCATION (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)