PUMP MOTOR SPEED SENSOR;
ANTI-LOCK BRAKES (YJ)............8W-32-1
PUMP, OIL.......................9-39,9-81
PUMP OPERATING SPECIFICATIONS......19-3
PUMP OVERHAUL, OIL.........21-131,21-216
PUMP, POWER STEERING....19-11,19-74,19-78
PUMP RELAY, FUEL; FUEL SYSTEM......14-61
PUMP RELAY, FUEL; FUEL/IGNITION
(XJ).............................8W-30-2
PUMP RELAY, FUEL; FUEL/IGNITION
(YJ).............................8W-30-2
PUMP RELAY, FUEL; FUEL/IGNITION
(XJ-RHD).........................8W-30-2
PUMP RELAY TESTING, FUEL...........14-47
PUMP RELAYÐPCM OUTPUT, FUEL......14-27
PUMP REMOVE/INSTALL, WASHER......8K-24
PUMP REPLACEMENT.................19-12
PUMP SEAL REPLACEMENT, OIL.......21-199
PUMP TESTS, WATER..................7-13
PUMP WEAR LIMITS, AW-4 OIL........21-338
PUMPÐINITIAL OPERATION, POWER
STEERING..........................19-15
PUMPSÐGENERAL INFORMATION,
WATER .............................7-13
PUMPSÐREMOVAL/INSTALLATION,
WATER .............................7-14
PUSH RODS, ROCKER ARMS........9-23,9-65
QUARTER AND WHEELHOUSE TRIM
PANELSÐXJ........................23-87
QUARTER PLASTIC INSERTÐXJ, REAR
QUARTER WINDOW GLASS/REAR.......23-73
QUARTER TRIM PANEL EXTENSIONÐXJ . . 23-87
QUARTER VENT WINDOW GLASSÐXJ,
REAR..............................23-73
QUARTER WINDOW APPLIQUEÐXJ......23-25
QUARTER WINDOW GLASSÐYJ, HARD
TOP ..............................23-149
QUARTER WINDOW GLASS/REAR
QUARTER PLASTIC INSERTÐXJ, REAR . . . 23-73
QUICK-CONNECT FITTINGS........14-10,14-64
RACK PISTON AND WORM SHAFT
REPLACEMENT......................19-32
RACKÐXJ, LUGGAGE.................23-28
RADIATOR FAN RELAY AND MOTOR; AIR
CONDITIONING/HEATER (XJ).........8W-42-2
RADIATOR FAN RELAY AND MOTOR; AIR
CONDITIONING/HEATER (XJ-RHD).....8W-42-2
RADIATOR FAN RELAYÐPCM OUTPUT . . . 14-28
RADIATOR GRILLE APPLIQUEÐYJ......23-104
RADIATOR PRESSURE CAP..............7-25
RADIATOR SUPPORT CROSSMEMBERÐ
XJ .................................23-6
RADIATORS..........................7-26
RADIO; AUDIO SYSTEMS...............8F-2
RADIO; RADIO (XJ).................8W-47-1
RADIO; RADIO (XJ-RHD)............8W-47-1
RADIO CONNECTIONS..................8F-4
RADIO DIAGNOSIS....................8F-3
RADIO FREQUENCY INTERFERENCE.......8F-5
RADIO ILLUMINATION; RADIO (XJ)....8W-47-1
RADIO ILLUMINATION; RADIO (XJ-RHD) . 8W-47-1
RADIO ILLUMINATION; RADIO (YJ)....8W-47-1
RADIO ILLUMINATION RELAY........8F-1,8F-4
RADIO ILLUMINATION RELAY
CONNECTIONS........................8F-4
RADIO MEMORY; RADIO (XJ).........8W-47-1
RADIO MEMORY; RADIO (XJ-RHD)....8W-47-1
RADIO MEMORY; RADIO (YJ).........8W-47-1
RADIO NOISE SUPPRESSION............8F-2
RADIO REMOVE/INSTALL - XJ...........8F-6
RADIO REMOVE/INSTALL - YJ...........8F-9
RADIOS.............................8F-1
RAIL ASSEMBLY, FUEL................14-62
RAIL, FUEL.........................14-33
RAIL MOLDINGÐXJ, DRIP.............23-25
RAMP ANGLE, GROUND CLEARANCE......0-11
RANGE LAMP, TRANSMISSION;
INTERIOR LIGHTING (YJ)............8W-44-1
RANGES AND SHIFT LEVER POSITIONS,
TRANSMISSION.....................21-166
RANGES, OPERATING................21-307
RATE, CHARGE.......................8A-9
RATINGS, BATTERY....................8A-3
RATINGS, BATTERY CLASSIFICATIONS
....8A-23
RATINGS, GENERATOR
................8A-23
RATIOS, GEAR
........................21-2
RATIOS, TRANSMISSION GEAR
.........21-34
READING AND COURTESY LAMPS
........8C-1READING LAMPS; INTERIOR LIGHTING
(XJ).............................8W-44-2
READING LAMPS; INTERIOR LIGHTING
(XJ-RHD).........................8W-44-1
READING/COURTESY LAMP BULB
REMOVE/INSTALL.....................8C-8
REAR AXLE ALIGNMENT................3-10
REAR AXLES, FRONT..................0-24
REAR BENCH SEATÐYJ..............23-153
REAR BUMPER..................13-16,13-8
REAR CABLE REPLACEMENT (XJ),
PARKING BRAKE......................5-67
REAR CABLE REPLACEMENT (YJ),
PARKING BRAKE......................5-68
REAR CARPET/MATÐXJ..............23-100
REAR CLUTCH OVERHAUL............21-138
REAR DOOR STATIONARY WINDOW
GLASSÐXJ.........................23-46
REAR DOOR WINDOW GLASS
REGULATORÐXJ....................23-44
REAR DOOR WINDOW GLASSÐXJ......23-45
REAR LICENSE PLATE LAMPS, TAIL
LAMPS; REAR LIGHTING (XJ)........8W-51-1
REAR LICENSE PLATE LAMPS, TAIL
LAMPS; REAR LIGHTING (XJ-RHD)....8W-51-1
REAR MAIN OIL SEALS.............9-49,9-89
REAR QUARTER VENT WINDOW
GLASSÐXJ.........................23-73
REAR QUARTER WINDOW GLASS/REAR
QUARTER PLASTIC INSERTÐXJ.........23-73
REAR SEAT CUSHION COVERÐXJ........23-82
REAR SEAT CUSHIONÐXJ.............23-82
REAR SEATBACK COVERÐXJ...........23-84
REAR SEATBACK LATCH STRIKER AND
BUMPERÐXJ.......................23-84
REAR SEATBACKÐXJ.................23-83
REAR SHOULDER BELTSÐYJ..........23-154
REAR SHOULDER/LAP BELT/BUCKLEÐ
XJ ................................23-91
REAR SUSPENSION COMPONENTS, XJ....3-51
REAR SUSPENSION COMPONENTS, YJ....3-51
REAR TOW HOOK.....................13-9
REAR WHEEL SENSOR INSTALLATION
AND ADJUSTMENT....................5-38
REAR WHEEL SENSOR REMOVAL........5-38
REAR WHEELHOUSE FLARES AND
LINERSÐXJ........................23-19
REAR WINDOW GLASS GRID.......8N-1,8N-2
REAR WINDOW GLASS GRID REPAIRS....8N-3
REAR WINDOW, HEATED; HEATED REAR
WINDOW (XJ).....................8W-48-1
REAR WINDOW, HEATED; HEATED REAR
WINDOW (XJ-RHD).................8W-48-1
REAR WINDOW, HEATED; HEATED REAR
WINDOW (YJ).....................8W-48-1
REAR WIPER SYSTEM; WIPERS (XJ) . . . 8W-53-1
REAR WIPER SYSTEM; WIPERS
(XJ-RHD).........................8W-53-1
REAR WIPER SYSTEM; WIPERS (YJ) . . . 8W-53-1
REARÐXJ,YJ VEHICLES................16-8
REARVIEW MIRROR RETAINING
BRACKETÐYJ......................23-144
REARVIEW MIRROR SUPPORT BRACKET
REPLACEMENTÐXJ, INTERIOR.........23-68
REARVIEW MIRRORÐXJ, INTERIOR.....23-66
REARVIEW MIRRORÐYJ.............23-144
RECEIVEÐPCM INPUT, SCI............14-24
RECEIVER, KEYLESS ENTRY.............8C-1
RECEIVER TRAY LAMPÐXJ, I/P ASH.....23-80
RECEIVER-DRIER REPLACEMENT........24-35
RECEIVERÐXJ, KEYLESS ENTRY........23-93
RECIRCULATING BALL POWER
STEERING GEAR.....................19-21
RECIRCULATING DOOR VACUUM MOTOR
REPLACEMENT, A/C...................24-27
RECIRCULATING-BALL POWER
STEERING GEARS....................19-74
RECIRCULATION (EGR) SYSTEM,
EXHAUST GAS........................25-1
RECOMMENDATION, LUBRICATION AND
REPLACEMENT PARTS..................0-2
RECOMMENDATIONS, BRAKE BLEEDING . . . 5-10
RECOMMENDATIONS, HOISTING.........0-10
RECOMMENDATIONS, TOWING
...........0-10
RECOMMENDED BRAKE FLUID
...........5-10
RECOVERING REFRIGERANT SYSTEM
....24-11
REFILLING COOLING SYSTEM
...........7-21
REFINISHING, BRAKE DRUM
............5-58REFINISHING, DISC BRAKE ROTOR.......5-53
REFRIGERANT........................24-7
REFRIGERANT EQUIPMENT..............24-7
REFRIGERANT HOSES/TUBES
PRECAUTIONS.......................24-10
REFRIGERANT, LEAK TESTING..........24-11
REFRIGERANT OIL...................24-12
REFRIGERANT SERVICE AND
PERFORMANCE TEST.................24-11
REFRIGERANT SYSTEM, CHARGING......24-11
REFRIGERANT SYSTEM, EVACUATING....24-11
REFRIGERANT SYSTEM, RECOVERING....24-11
REGULATOR, FUEL PRESSURE.....14-33,14-61
REGULATOR HANDLEÐYJ, FULL-METAL
DOOR WINDOW GLASS..............23-136
REGULATORÐXJ, FRONT DOOR
WINDOW GLASS.....................23-42
REGULATORÐXJ, REAR DOOR WINDOW
GLASS.............................23-44
REGULATORÐYJ, FULL-METAL DOOR
WINDOW GLASS....................23-138
RELAY, ABS POWER; ANTI-LOCK
BRAKES (XJ)......................8W-32-1
RELAY, ABS POWER; ANTI-LOCK
BRAKES (XJ-RHD).................8W-32-1
RELAY, ABS POWER; ANTI-LOCK
BRAKES (YJ)......................8W-32-1
RELAY, ABS PUMP MOTOR; ANTI-LOCK
BRAKES (XJ)......................8W-32-1
RELAY, ABS PUMP MOTOR; ANTI-LOCK
BRAKES (XJ-RHD)...................8W-32-1
RELAY, ABS PUMP MOTOR; ANTI-LOCK
BRAKES (YJ)......................8W-32-1
RELAY, A/C COMPRESSOR CLUTCH . 24-15,24-16
RELAY, AIR CONDITIONING (A/C)
CLUTCH............................14-58
RELAY AND MOTOR, RADIATOR FAN;
AIR CONDITIONING/HEATER (XJ)......8W-42-2
RELAY AND MOTOR, RADIATOR FAN;
AIR CONDITIONING/HEATER (XJ-RHD) . . 8W-42-2
RELAY, AUTOMATIC SHUT DOWN (ASD);
FUEL/IGNITION (XJ)................8W-30-1
RELAY, AUTOMATIC SHUT DOWN (ASD);
FUEL/IGNITION (YJ)................8W-30-1
RELAY, AUTOMATIC SHUT DOWN (ASD);
FUEL/IGNITION (XJ-RHD)............8W-30-1
RELAY, AUTOMATIC SHUTDOWN (ASD);
FUEL SYSTEM.......................14-59
RELAY, AUTOMATIC SHUTDOWN (ASD);
IGNITION SYSTEMS..............8D-17,8D-1
RELAY CONNECTIONS, RADIO
ILLUMINATION.......................8F-4
RELAY CONNECTIONS, STARTER........8A-15
RELAY, DEFOGGER....................8N-3
RELAY, FUEL PUMP; FUEL SYSTEM......14-61
RELAY, FUEL PUMP; FUEL/IGNITION
(XJ).............................8W-30-2
RELAY, FUEL PUMP; FUEL/IGNITION
(YJ).............................8W-30-2
RELAY, FUEL PUMP; FUEL/IGNITION
(XJ-RHD).........................8W-30-2
RELAY, HEADLAMP; FRONT LIGHTING
(XJ-RHD).........................8W-50-1
RELAY, HORN........................8G-1
RELAY, LEFT TURN; TRAILER TOW (XJ) . 8W-54-1
RELAY, LEFT TURN; TRAILER TOW
(XJ-RHD).........................8W-54-1
RELAY, LOCK; POWER DOOR LOCKS
(XJ).............................8W-61-1
RELAY, LOCK; POWER DOOR LOCKS
(XJ-RHD).........................8W-61-1
RELAY, RADIO ILLUMINATION........8F-1,8F-4
RELAY REMOVE/INSTALL, POWER
LOCK/UNLOCK.......................8P-12
RELAY REMOVE/INSTALL, STARTER.......8B-6
RELAY, RIGHT TURN; TRAILER TOW
(XJ).............................8W-54-1
RELAY, RIGHT TURN; TRAILER TOW
(XJ-RHD).........................8W-54-1
RELAY, STARTER AND STARTER..........8B-4
RELAY, STOP LAMP; TRAILER TOW (XJ)
. 8W-54-1
RELAY, STOP LAMP; TRAILER TOW
(XJ-RHD)
.........................8W-54-1
RELAY TEST, AUTOMATIC SHUTDOWN
(ASD)
..............................8D-6
RELAY TEST, STARTER MOTOR
.........14-51
RELAY TEST, TORQUE CONVERTER
CLUTCH
............................14-48
22 INDEXJ
Description Group-Page Description Group-Page Description Group-Page
SPLICE INDEX; SPLICE INFORMATION
(YJ).............................8W-70-1
SPLICE LOCATIONS; SPLICE LOCATIONS
(XJ).............................8W-95-1
SPLICE LOCATIONS; SPLICE LOCATIONS
(YJ).............................8W-95-1
SPLICE LOCATIONS; WIRING DIAGRAMS
(XJ)...............................8W-1
SPLICE LOCATIONS; WIRING DIAGRAMS
(XJ-RHD)...........................8W-1
SPLICE LOCATIONS; WIRING DIAGRAMS
(YJ)...............................8W-1
SPORT BARÐYJ....................23-132
SPRING AND SHOCK ABSORBER
DIAGNOSIS........................3-3,3-6
SPRING AND SHOCK DIAGNOSIS; FRONT
SUSPENSION AND AXLE............2-13,2-15
SPRING AND SHOCK DIAGNOSIS; REAR
SUSPENSION AND AXLES.............3-3,3-6
SPRING, COIL........................2-14
SPRING EYE BUSHING REPLACEMENT,
LEAF; FRONT SUSPENSION AND AXLE.....2-17
SPRING EYE BUSHING REPLACEMENT,
LEAF; REAR SUSPENSION AND AXLES . . 3-5,3-7
SPRING IDENTIFICATION, AW-4 VALVE . . . 21-343
SPRING, LEAF; FRONT SUSPENSION
AND AXLE...........................2-16
SPRING, LEAF; REAR SUSPENSION AND
AXLES............................3-4,3-7
SPRING REPLACEMENT, VALVE STEM
SEAL...............................9-65
SPRINGS, ACCUMULATOR PISTONS....21-189
SPRINGS AND OIL SEALS, VALVE........9-23
SPRINGS, VALVES AND VALVE.......9-27,9-69
SPROCKETS, TIMING CHAIN.........9-31,9-73
STABILIZER BAR; FRONT SUSPENSION
AND AXLE.......................2-11,2-15
STABILIZER BAR; REAR SUSPENSION
AND AXLES...........................3-5
STALL TEST, CONVERTER..............21-74
STALL TEST, TORQUE CONVERTER.....21-178
STANDARD SERVICE PROCEDURES........9-1
STANDARD WIPERS................8W-53-1
STARTER AND SOLENOID TESTING
SPECIFICATIONS, 2.5L................8A-23
STARTER AND SOLENOID TESTING
SPECIFICATIONS, 4.0L................8A-23
STARTER AND STARTER RELAY..........8B-4
STARTER MOTOR RELAY TEST..........14-51
STARTER NOISE DIAGNOSIS...........8A-16
STARTER NOISE DIAGNOSIS, 2.5L.......8A-16
STARTER RELAY CONNECTIONS.........8A-15
STARTER RELAY REMOVE/INSTALL.......8B-6
STARTER RELAY, STARTER..............8B-4
STARTER REMOVE/INSTALLÐ2.5L........8B-4
STARTER REMOVE/INSTALLÐ4.0L........8B-5
STARTER SPECIFICATIONS..............8B-8
STARTING PROCEDURE, JUMP............0-9
STARTING SYSTEM; BATTERY/
STARTING/CHARGING SYSTEMS
DIAGNOSTICS.......................8A-11
STARTING SYSTEM; STARTING SYSTEM
(XJ).............................8W-21-1
STARTING SYSTEM; STARTING SYSTEM
(XJ-RHD).........................8W-21-1
STARTING SYSTEM; STARTING SYSTEM
(YJ)
.............................8W-21-1
STARTING SYSTEM COLD CRANKING
SPECIFICATIONS, 2.5L
................8A-23
STARTING SYSTEM COLD CRANKING
SPECIFICATIONS, 4.0L
................8A-23
STARTING SYSTEM DIAGNOSIS
.........8A-12
STARTING SYSTEM SPECIFICATIONS
.....8A-23
STARTING, TOWING AND HOISTING,
JUMP
................................0-9
STATEMENTÐGAS ENGINES, FUEL
USAGE
..............................0-19
STATIONARY GLASS
.................23-144
STATIONARY GLASS WATER LEAK
DETECTION AND REPAIRÐXJ
..........23-76
STATIONARY GLASS WATER LEAK
DETECTION AND REPAIRÐYJ
.........23-150
STATIONARY WINDOW GLASS
..........23-66
STATIONARY WINDOW GLASSÐXJ,
REAR DOOR
........................23-46
STATOR CLUTCH INSPECTION, TORQUE
CONVERTER
.......................21-199STEERING COLUMN GENERAL
SERVICEÐXJ.......................19-47
STEERING COLUMN, NON-TILT..........19-60
STEERING COLUMN, TILT..............19-66
STEERING COLUMNÐXJ..............19-78
STEERING COLUMNÐYJ.........19-58,19-78
STEERING DAMPER.............19-17,19-20
STEERING GEAR ADJUSTMENTS........19-24
STEERING GEAR, MANUAL;
LUBRICATION AND MAINTENANCE........0-30
STEERING GEAR, MANUAL; STEERING . . . 19-37,
19-78
STEERING GEAR, POWER..............19-78
STEERING GEAR, RECIRCULATING BALL
POWER............................19-21
STEERING GEAR REPLACEMENT . . . 19-23,19-45
STEERING GEAR SPECIFICATIONS,
MANUAL...........................19-46
STEERING GEAR SPECIFICATIONS,
POWER............................19-36
STEERING GEARS, RECIRCULATING-
BALL POWER.......................19-74
STEERING KNUCKLE AND BALL STUDS....2-32
STEERING LINKAGE...................0-28
STEERING LINKAGEÐXJ.........19-16,19-78
STEERING LINKAGEÐYJ.........19-19,19-78
STEERING PRESSURE SWITCH, POWER;
FUEL/IGNITION (XJ)................8W-30-5
STEERING PRESSURE SWITCH, POWER;
FUEL/IGNITION (YJ)..................8W-30-4
STEERING PRESSURE SWITCHÐ2.5L
ENGINE ONLY, POWER................14-63
STEERING PRESSURE SWITCHÐPCM
INPUT, POWER......................14-24
STEERING PUMP, POWER....19-11,19-74,19-78
STEERING PUMPÐINITIAL OPERATION,
POWER............................19-15
STEERING RHD......................19-74
STEERING SYSTEM COMPONENTS........19-1
STEERING SYSTEM DIAGNOSIS,
MANUAL...........................19-38
STEERING SYSTEM DIAGNOSIS, POWER . . 19-3,
19-4,19-5,19-6,19-7,19-8,19-9
STEERING SYSTEM DIAGNOSIS,
SUSPENSION..........................2-7
STEERING SYSTEM, POWER.............0-29
STEERING WHEEL...............19-49,19-58
STEM SEAL AND SPRING
REPLACEMENT, VALVE.................9-65
STEP MOLDINGÐYJ, BODY SIDE.......23-115
STOP LAMP (CHMSL)ÐXJ, CENTER
HIGH MOUNTED.....................8L-12
STOP LAMP (CHMSL)ÐYJ, CENTER
HIGH MOUNTED.....................8L-28
STOP LAMP RELAY; TRAILER TOW (XJ) . 8W-54-1
STOP LAMP RELAY; TRAILER TOW
(XJ-RHD).........................8W-54-1
STOP LAMP SWITCH..............8H-1,8H-6
STOP LAMPS AND CHMSL LAMPS;
REAR LIGHTING (XJ)...............8W-51-1
STOP LAMPS AND CHMSL LAMPS;
REAR LIGHTING (XJ-RHD)...........8W-51-1
STOP LAMPS AND CHMSL LAMPS;
REAR LIGHTING (YJ)...............8W-51-1
STORAGE BIN REMOVE/INSTALL,
SUNGLASSES........................8C-7
STORAGE, REMOTE GARAGE DOOR
OPENER............................8C-1
STORAGE, SUNGLASSES...............8C-1
STORAGEÐXJ, JACK.................23-97
STRAIGHTENING, FRAME..............13-13
STRAP, FUEL TANK SUPPORT............13-4
STRENGTH, BOLT..................Intro.-15
STRIKER AND BUMPERÐXJ, REAR
SEATBACK LATCH....................23-84
STRIKER REPLACEMENTÐXJ, HOOD
LATCH .............................23-11
STRIKER REPLACEMENTÐXJ, SAFETY
LATCH .............................23-11
STRIKERÐYJ, HALF-METAL DOOR
LATCH ............................23-135
STRIKERÐYJ, TAILGATE LATCH
........23-123
STRIPES/DECALSÐXJ, BODY
...........23-21
STRIPES/DECALSÐYJ, BODY
..........23-116
STRIPÐXJ, DOOR EDGE GUARD/EDGE
PROTECTOR
........................23-54
STUD REPLACEMENTÐXJ, LIFTGATE
SUPPORT ROD BALL
.................23-63STUDS, STEERING KNUCKLE AND BALL . . . 2-32
SUN GEAR AND NO. 1 ONE-WAY
CLUTCH OVERHAUL.................21-238
SUNGLASSES STORAGE................8C-1
SUNGLASSES STORAGE BIN REMOVE/
INSTALL............................8C-7
SUNVISORSÐXJ.....................23-93
SUNVISORSÐYJ....................23-155
SUPPLY TEST, VACUUM................8H-6
SUPPORT BRACKET REPLACEMENTÐXJ,
INTERIOR REARVIEW MIRROR..........23-68
SUPPORT CROSSMEMBERÐXJ,
RADIATOR...........................23-6
SUPPORT OVERHAUL, OVERDRIVE.....21-226
SUPPORT OVERHAUL, OVERRUNNING
CLUTCHÐLOW-REVERSE DRUMÐ
REAR.............................21-125
SUPPORT PLATE REPLACEMENT.........5-58
SUPPORT ROD BALL STUD
REPLACEMENTÐXJ, LIFTGATE..........23-63
SUPPORT ROD CYLINDER DISPOSALÐ
XJ, LIFTGATE........................23-63
SUPPORT ROD CYLINDERÐXJ,
LIFTGATE...........................23-62
SUPPORT STRAP, FUEL TANK............13-4
SUPPORTS, ENGINE...................0-21
SUPPRESSION, RADIO NOISE............8F-2
SURFACE TOUCH-UP, PAINTED.........23-158
SUSPENSION AND STEERING SYSTEM
DIAGNOSIS...........................2-7
SUSPENSION ARM, LOWER.............2-13
SUSPENSION ARM, UPPER.............2-12
SUSPENSION COMPONENTS.............3-1
SUSPENSION COMPONENTS, XJ FRONT . . . 2-49
SUSPENSION COMPONENTS, XJ REAR....3-51
SUSPENSION COMPONENTS, YJ FRONT . . . 2-49
SUSPENSION COMPONENTS, YJ REAR....3-51
SUSPENSION, FRONT...................2-1
SUSPENSION, XJ......................3-3
SUSPENSION, XJ FRONT...............2-11
SUSPENSION, YJ......................3-6
SUSPENSION, YJ FRONT...............2-15
SWITCH - XJ, MULTI-FUNCTION..........8J-4
SWITCH, ACCELERATION; ANTI-LOCK
BRAKES (XJ)......................8W-32-1
SWITCH, ACCELERATION; ANTI-LOCK
BRAKES (XJ-RHD).................8W-32-1
SWITCH, ACCELERATION; ANTI-LOCK
BRAKES (YJ)......................8W-32-1
SWITCH, ACCELERATION; BRAKES........5-35
SWITCH ADJUSTMENT, BRAKELIGHT......5-32
SWITCH AND KEY CYLINDER SERVICE,
IGNITION...........................8D-26
SWITCH AND PLUG LOCATIONS,
TRANSMISSION......................21-34
SWITCH, BLOWER MOTOR.............24-16
SWITCH, BRAKE.....................14-59
SWITCH CONTINUITY (LEFT POSITION),
POWER MIRROR......................8T-3
SWITCH CONTINUITY, POWER SEAT......8R-2
SWITCH CONTINUITY (RIGHT
POSITION), POWER MIRROR............8T-3
SWITCH CONTINUITY TESTS, IGNITION . . . 8D-30
SWITCH, DEFOGGER..............8N-1,8N-3
SWITCH, DRIVER'S DOOR JAMB.....8U-1,8U-2
SWITCH, DRIVER'S SEAT BELT......8U-1,8U-3
SWITCH, EXTENDED IDLE...........8W-30-5
SWITCH, FIN SENSING CYCLING
CLUTCH.......................24-15,24-31
SWITCH, FOUR-WHEEL DRIVE (4WD);
INSTRUMENT CLUSTER (XJ-RHD).....8W-40-2
SWITCH, FOUR-WHEEL DRIVE (4WD);
TRANSMISSION CONTROLS (XJ-RHD) . . 8W-31-1
SWITCH, HORN.......................8G-1
SWITCH, IGNITION; BRAKES.............5-35
SWITCH, IGNITION; FUEL/IGNITION (XJ) . 8W-30-1
SWITCH, IGNITION; FUEL/IGNITION (YJ) . 8W-30-1
SWITCH, IGNITION; FUEL/IGNITION
(XJ-RHD).........................8W-30-1
SWITCH, IGNITION KEY-IN
..........8U-1,8U-2
SWITCH INPUT, BRAKE; ANTI-LOCK
BRAKES (XJ)
......................8W-32-2
SWITCH INPUT, BRAKE; ANTI-LOCK
BRAKES (XJ-RHD)
.................8W-32-2
SWITCH INPUT, BRAKE; ANTI-LOCK
BRAKES (YJ)
......................8W-32-2
SWITCH INPUT, BRAKE; FUEL/IGNITION
(XJ)
.............................8W-30-5
JINDEX 27
Description Group-Page Description Group-Page Description Group-Page
SWITCH INPUT, BRAKE; FUEL/IGNITION
(YJ).............................8W-30-5
SWITCH INPUT, BRAKE; FUEL/IGNITION
(XJ-RHD).........................8W-30-5
SWITCH INSTALLATION, ACCELERATION . . . 5-39
SWITCH INSTALLATION, BRAKELIGHT.....5-32
SWITCH LAMP, IGNITION; INTERIOR
LIGHTING (XJ)....................8W-44-1
SWITCH LAMP, IGNITION; INTERIOR
LIGHTING (XJ-RHD)................8W-44-1
SWITCH, LIFTGATE WIPER/WASHER . 8K-16,8K-5
SWITCH OPERATION, ACCELERATION.....5-37
SWITCH, PARK NEUTRAL..............14-63
SWITCH, PARKING BRAKE..............5-68
SWITCH, PARK/NEUTRAL POSITION;
FUEL/IGNITION (XJ)................8W-30-4
SWITCH, PARK/NEUTRAL POSITION;
FUEL/IGNITION (YJ)................8W-30-4
SWITCH, PARK/NEUTRAL POSITION;
TRANSMISSION AND TRANSFER CASE . . 21-183
SWITCH, PARK/NEUTRAL POSITION;
FUEL/IGNITION (XJ-RHD)............8W-30-4
SWITCH, PASSENGER'S POWER LOCK....8P-6
SWITCH, PASSENGER'S POWER
WINDOW............................8S-6
SWITCH, POWER BRAKE BOOSTERÐ
BRAKE PEDALÐBRAKELIGHT............5-22
SWITCH, POWER LOCK................8P-1
SWITCH, POWER MIRROR..........8T-1,8T-2
SWITCH, POWER SEAT............8R-1,8R-2
SWITCH, POWER STEERING PRESSURE;
FUEL/IGNITION (XJ)................8W-30-5
SWITCH, POWER STEERING PRESSURE;
FUEL/IGNITION (YJ)................8W-30-4
SWITCH, POWER WINDOW.........8S-1,8S-2
SWITCH REMOVAL, ACCELERATION.......5-39
SWITCH REMOVAL, BRAKELIGHT.........5-32
SWITCH REMOVE/INSTALL - XJ,
MULTI-FUNCTION.....................8J-5
SWITCH REMOVE/INSTALL - YJ, TURN
SIGNAL/HAZARD WARNING.............8J-5
SWITCH REMOVE/INSTALL, DEFOGGER....8N-4
SWITCH REMOVE/INSTALL, HEADLAMP . . . 8E-19
SWITCH REMOVE/INSTALL, HEADLAMP
OR PANEL DIMMER..................8E-42
SWITCH REMOVE/INSTALL, HORN........8G-3
SWITCH REMOVE/INSTALL, LIFTGATE
WIPER/WASHER.................8K-24,8K-8
SWITCH REMOVE/INSTALL, POWER
LOCK...............................8P-8
SWITCH REMOVE/INSTALL, POWER
MIRROR............................8T-4
SWITCH REMOVE/INSTALL, POWER
SEAT ...............................8R-3
SWITCH REMOVE/INSTALL, POWER
WINDOW............................8S-7
SWITCH REMOVE/INSTALL, SPEED
CONTROL...........................8H-9
SWITCH REMOVE/INSTALL, WINDSHIELD
WIPER/WASHER.................8K-20,8K-7
SWITCH REPLACEMENT, BLOWER
MOTOR/AIR DOOR MOTOR.............24-32
SWITCH REPLACEMENTÐXJ, FOG LAMP . 8L-10
SWITCH REPLACEMENTÐYJ, FOG LAMP . 8L-26
SWITCH REPLACEMENTÐYJ,
HEADLAMP DIMMER..................8L-26
SWITCH SERVICE, IGNITION............19-54
SWITCH SERVICE, PARK/NEUTRAL
POSITION.........................21-109
SWITCH SERVICE PROCEDURESÐXJ,
MULTI-FUNCTION....................8L-11
SWITCH, SPEED CONTROL.........8H-1,8H-6
SWITCH, STOP LAMP.............8H-1,8H-6
SWITCH TEST, EXTENDED IDLE.........14-48
SWITCH TESTING, INTERMITTENT WIPE . . 8K-15
SWITCH TESTING, NON-INTERMITTENT
WIPE..............................8K-14
SWITCH TESTING PROCEDURESÐXJ,
MULTI-FUNCTION.....................8L-4
SWITCH, TRANSMISSION COMFORT;
TRANSMISSION CONTROLS (XJ-RHD)
. . 8W-31-1
SWITCH, WINDSHIELD WIPER/WASHER
. . 8K-13,
8K-4
SWITCH (XJ ONLY), HEADLAMP
.....8U-1,8U-3
SWITCHÐ2.5L ENGINE ONLY, POWER
STEERING PRESSURE
.................14-63
SWITCHÐ2-DOOR (LHD), DRIVER'S
POWER LOCK
........................8P-3SWITCHÐ2-DOOR (LHD), DRIVER'S
POWER WINDOW.....................8S-4
SWITCHÐ2-DOOR (RHD), DRIVER'S
POWER LOCK........................8P-4
SWITCHÐ2-DOOR (RHD), DRIVER'S
POWER WINDOW.....................8S-5
SWITCHÐ4-DOOR, DRIVER'S POWER
LOCK...............................8P-5
SWITCHÐ4-DOOR, DRIVER'S POWER
WINDOW............................8S-3
SWITCHÐPCM INPUT, BRAKE..........14-22
SWITCHÐPCM INPUT, EXTENDED IDLE . . . 14-23
SWITCHÐPCM INPUT, PARK/NEUTRAL . . . 14-24
SWITCHÐPCM INPUT, POWER
STEERING PRESSURE.................14-24
SWITCHÐXJ, HEADLAMP..............8L-10
SWITCHÐXJ MODELS, IGNITION........8D-26
SWITCHÐYJ, HEADLAMP..............8L-26
SWITCHÐYJ MODELS, IGNITION........8D-29
SYMBOLS; WIRING DIAGRAMSÐ
GENERAL INFORMATION (XJ)...........8W-2
SYMBOLS, INTERNATIONAL..............0-1
SYMBOLS, INTERNATIONAL VEHICLE
CONTROL AND DISPLAY.............Intro.-5
SYMBOLS, VEHICLE CONTROL AND
DISPLAY.........................Intro.-10
SYSTEM - XJ, TURN SIGNAL/HAZARD
WARNING...........................8J-3
SYSTEM - YJ, HAZARD WARNING........8J-4
SYSTEM - YJ, TURN SIGNAL............8J-3
SYSTEM, A/C-HEATER; AIR
CONDITIONING/HEATER (XJ).........8W-42-1
SYSTEM, A/C-HEATER; AIR
CONDITIONING/HEATER (XJ-RHD).....8W-42-1
SYSTEM, AIRBAG; RESTRAINT SYSTEMS . . 8M-1
SYSTEM, AIRBAG; STEERING...........19-47
SYSTEM CAPACITIES, COOLING..........7-45
SYSTEM, CHARGING; BATTERY/
STARTING/CHARGING SYSTEMS
DIAGNOSTICS.......................8A-17
SYSTEM, CHARGING; CHARGING
SYSTEM (XJ).....................8W-20-1
SYSTEM, CHARGING; CHARGING
SYSTEM (XJ-RHD).................8W-20-1
SYSTEM, CHARGING; CHARGING
SYSTEM (YJ).....................8W-20-1
SYSTEM, CHARGING REFRIGERANT......24-11
SYSTEM CLEANING/REVERSE FLUSHING,
COOLING............................7-22
SYSTEM COLD CRANKING
SPECIFICATIONS, 2.5L STARTING........8A-23
SYSTEM COLD CRANKING
SPECIFICATIONS, 4.0L STARTING........8A-23
SYSTEM COMPONENTS, COOLING.........7-1
SYSTEM COMPONENTS, STEERING.......19-1
SYSTEM, COOLANT RESERVE/
OVERFLOW..........................7-24
SYSTEM COOLANT ROUTING.............7-1
SYSTEM, COOLING; COOLING SYSTEM.....7-1
SYSTEM, COOLING; HEATING AND AIR
CONDITIONING......................24-10
SYSTEM, CRANKCASE VENTILATION;
EMISSION CONTROL SYSTEMS..........25-5
SYSTEM, CRANKCASE VENTILATION;
LUBRICATION AND MAINTENANCE........0-19
SYSTEM DESCRIPTION.................5-33
SYSTEM DIAGNOSIS, CHARGING........8A-19
SYSTEM DIAGNOSIS (CONT.), COOLING . . . 7-10,
7-11,7-12,7-7,7-8,7-9
SYSTEM DIAGNOSIS, COOLING
...........7-6
SYSTEM DIAGNOSIS, EXHAUST
..........11-2
SYSTEM DIAGNOSIS, HEATING
..........24-18
SYSTEM DIAGNOSIS, MANUAL
STEERING
..........................19-38
SYSTEM DIAGNOSIS, POWER STEERING
. . 19-3,
19-4,19-5,19-6,19-7,19-8,19-9
SYSTEM DIAGNOSIS, STARTING
........8A-12
SYSTEM DIAGNOSIS, SUSPENSION AND
STEERING
............................2-7
SYSTEM, DRAINING COOLING
...........7-21
SYSTEM, EMISSION CONTROL
...........0-20
SYSTEM, ENGINE COOLING
.............0-18
SYSTEM, EVACUATING REFRIGERANT
....24-11
SYSTEM, EVAP (EVAPORATION)
CONTROL
...........................25-4
SYSTEM, EXHAUST; EXHAUST SYSTEM
AND INTAKE MANIFOLD
................11-1SYSTEM, EXHAUST; LUBRICATION AND
MAINTENANCE.......................0-21
SYSTEM, EXHAUST GAS
RECIRCULATION (EGR).................25-1
SYSTEM FANS, COOLING...............7-32
SYSTEM FOR LEAKS, TESTING COOLING . . . 7-22
SYSTEM, FUEL......................14-67
SYSTEM, FUEL DELIVERY...............14-3
SYSTEM, HAZARD WARNING............8J-1
SYSTEM, HEATER; AIR CONDITIONING/
HEATER (XJ)......................8W-42-1
SYSTEM, HEATER; AIR CONDITIONING/
HEATER (XJ-RHD)..................8W-42-1
SYSTEM, HEATER; AIR CONDITIONING/
HEATER (YJ)......................8W-42-1
SYSTEM HOSES, COOLING..............7-32
SYSTEM, HYDRAULIC................21-169
SYSTEM INDICATOR LAMP, CHARGING;
INSTRUMENT CLUSTER (XJ).........8W-40-3
SYSTEM, LIFTGATE WASHER............8K-5
SYSTEM, LIFTGATE WIPER..............8K-4
SYSTEM, LIFTGATE WIPER/WASHER.....8K-10,
8K-16,8K-1
SYSTEM, LUBRICATION............9-37,9-79
SYSTEM MAINTENANCE, EMISSION
CONTROL............................0-4
SYSTEM, POWER BRAKE...............0-30
SYSTEM, POWER LOCK................8P-2
SYSTEM, POWER MIRROR..............8T-1
SYSTEM, POWER STEERING.............0-29
SYSTEM POWER-UP AND
INITIALIZATION, ABS...................5-35
SYSTEM PRESSURE RELEASE
PROCEDURE, FUEL...................14-62
SYSTEM PRESSURE TEST, FUEL....14-51,14-6
SYSTEM, REAR WIPER; WIPERS (XJ) . . 8W-53-1
SYSTEM, REAR WIPER; WIPERS
(XJ-RHD).........................8W-53-1
SYSTEM, REAR WIPER; WIPERS (YJ) . . 8W-53-1
SYSTEM, RECOVERING REFRIGERANT....24-11
SYSTEM, REFILLING COOLING...........7-21
SYSTEM SCHEMATICS, PCM............14-41
SYSTEM SERVICE (DEPLOYED), AIRBAG . . 8M-2
SYSTEM SPECIFICATIONS, CHARGING....8A-23
SYSTEM SPECIFICATIONS, STARTING....8A-23
SYSTEM, STARTING; BATTERY/
STARTING/CHARGING SYSTEMS
DIAGNOSTICS.......................8A-11
SYSTEM, STARTING; STARTING SYSTEM
(XJ).............................8W-21-1
SYSTEM, STARTING; STARTING SYSTEM
(XJ-RHD).........................8W-21-1
SYSTEM, STARTING; STARTING SYSTEM
(YJ).............................8W-21-1
SYSTEM, TURN SIGNAL................8J-1
SYSTEM, USING ON-BOARD
DIAGNOSTIC; BATTERY/STARTING/
CHARGING SYSTEMS DIAGNOSTICS.....8A-22
SYSTEM, USING ON-BOARD
DIAGNOSTIC; VEHICLE SPEED
CONTROL SYSTEM....................8H-5
SYSTEM WARNING LIGHT..............5-35
SYSTEM, WINDSHIELD WASHER . . 8K-10,8K-12,
8K-1,8K-4
SYSTEM, WINDSHIELD WIPER....8K-10,8K-12,
8K-1,8K-3
TABLE, BATTERY CHARGING TIME........8A-8
TACHOMETER; INSTRUMENT CLUSTER
(XJ).............................8W-40-2
TACHOMETER; INSTRUMENT CLUSTER
(XJ-RHD).........................8W-40-2
TACHOMETER SIGNAL; FUEL/IGNITION
(XJ).............................8W-30-5
TACHOMETER SIGNAL; FUEL/IGNITION
(YJ).............................8W-30-5
TACHOMETER SIGNAL; FUEL/IGNITION
(XJ-RHD).........................8W-30-4
TACHOMETERÐPCM OUTPUT..........14-29
TAIL LAMPS AND LICENSE PLATE
LAMPS; REAR LIGHTING (YJ)........8W-51-1
TAIL LAMPS AND REAR LICENSE PLATE
LAMPS; REAR LIGHTING (XJ)
........8W-51-1
TAIL LAMPS AND REAR LICENSE PLATE
LAMPS; REAR LIGHTING (XJ-RHD)
....8W-51-1
TAILGATE ADJUSTMENTÐYJ
..........23-121
TAILGATE HINGEÐYJ
................23-121
TAILGATE LATCH AND RELEASE
HANDLEÐYJ
.......................23-122
28 INDEXJ
Description Group-Page Description Group-Page Description Group-Page
INTERIOR LIGHTING
INDEX
page page
Accessory Lamp and Heater Control Panel Lamp . . 1
Combination Buzzer........................ 1
Courtesy Lamps and Dome Lamps............. 1
Diagram Index............................ 2General Information........................ 1
Transmission Range Lamp................... 1
Underhood Lamp.......................... 1
GENERAL INFORMATION
Circuit M1 supplies power to the underhood lamp,
dome lamp, right courtesy lamp and left courtesy
lamp. Fuse 12 in the Power Distribution Center
(PDC) protects circuit M1. Circuit A4 from fuse 8 in
the PDC supplies voltage to fuse 12 and circuit M1.
Fuse 12 is referred to as the Ignition Off Draw (IOD)
fuse.
COURTESY LAMPS AND DOME LAMPS
Circuit M1 supplies battery voltage to the dome
lamps and the right and left courtesy lamps. Circuit
M2 provides ground for the lamps through either the
case grounded door jamb switches or through the
dimmer switch to circuit Z1.
In the ON position, the dimmer switch connects
circuit M2 to ground on circuit Z1. When a door
opens, the case grounded door jamb switch closes and
provides ground for the lamps on circuit M2.
HELPFUL INFORMATION
²Circuit M1 also supplies voltage for radio memory,
underhood lamp and the ABS data link connector.
UNDERHOOD LAMP
Circuit M1 supplies battery voltage for the under-
hood lamp. A mercury switch in series after the lamp
connects the lamp to ground on circuit Z1. When the
hood is raised, mercury inside the switch moves to a
position where it connects circuit M1 to circuit Z1, il-
luminating the lamp. The underhood lamp is wired
in parallel with other components on circuit M1.
ACCESSORY LAMP AND HEATER CONTROL PANEL
LAMP
Circuit E1 from the dimmer switch supplies bat-
tery voltage to fuse 10 in the fuse block when the
dimmer switch is in the LOW or ON position. Fuse
10 protects circuit E2 which supplies power to the
heater control panel lamp and the accessory lamp.
Circuit Z1 provides ground for each lamp.
TRANSMISSION RANGE LAMP
Circuit E1 from the dimmer switch supplies bat-
tery voltage to fuse 10 in the fuse block when thedimmer switch is in the LOW or ON positions. Fuse
10 protects circuit E2 which supplies power to the
transmission range lamp. The lamp is case grounded.
COMBINATION BUZZER
The combination buzzer module sounds an audible
warning tone. The tone sounds for seat belt warning
and when the key is in the ignition switch while the
drivers door is open. The tone also sounds when the
ignition switch is in the ON position while the driv-
ers side seat belt is not buckled. Refer to Group 8U
for buzzer operation.
Fuses 3 and 9 in the fuse block protect the combi-
nation buzzer. Fuse 3 powers circuit F32 which con-
nects to the buzzer. Circuit A6 from fuse 3 in the
Power Distribution Center (PDC) supplies power to
the fuse block for circuit F32.
Circuit G5 from fuse 9 also provides voltage to the
combination buzzer when the ignition switch is in
the START or RUN position. The ignition switch con-
nects circuit A1 from fuse 4 in the PDC to circuit
A21. Circuit A21 connects to the fuse block.
When the key-in switch closes, it connects circuit
G26 to circuit G16. Circuit G16 connects to the driv-
ers side door jamb switch. When the drivers side door
is open and the key-in switch is closed, the case
grounded door jamb switch closes and supplies
ground for the buzzer. Circuit G26 from the combina-
tion buzzer connects to the key-in switch.
Circuit G13 form the buzzer powers the seat belt
warning lamp in the instrument cluster. Circuit Z1
at the instrument cluster provides ground for the
lamp.
Circuit G10 from the buzzer connects to the seat
belt switch. When the seat belt is unlatched, the seat
belt switch closes providing ground on circuit Z1.
Circuit Z1 also grounds the combination buzzer
module.
HELPFUL INFORMATION
²Circuit F32 also powers the stop lamp switch.
²Circuit G5 also provides power for the instrument
cluster gauges and warning lamps, heated rear win-
dow relay and A/C compressor clutch relay. On Cana-
J8W-44 INTERIOR LIGHTINGÐYJ VEHICLES 8W - 44 - 1
When the park lamp relay energizes, the relay con-
tacts close and connect circuit F81 from fuse 6 in the
fuse block to circuit L36. Circuit L36 connects to the
contact side of the high beam relay. The contacts in
the high beam relay are normally closed. Battery
voltage flows through high beam relay to the fog
lamps on circuit L39. Circuit L39 also splices to the
lamp in the fog lamp switch.
Circuit L3 from the dimmer switch provides power
for the high beams of the headlamps and connects to
Circuit G34. Circuit G34 powers the coil side of the
high beam relay. Circuit Z1 provides ground for the
coil. When the operator selects high beam operation
or flashes the optical horn, circuit G34 energizes the
high beam relay. When energized, the normally
closed contacts in the relay open, shutting off battery
voltage to the fog lamps on circuit L39.
HELPFUL INFORMATION
²Circuit A6 from fuse 3 in the PDC supplies voltage
to the fuse block for fuses in cavities 3 and 6. Fuse 6
in the fuse block protects circuit F81 which powers
the contact side of the park lamp relay.
²In the high beam position, the dimmer switch con-
nects circuit L20 from the headlamp switch to circuit
L3. The headlamp switch connects circuit A3 from
fuse 7 in the PDC with circuit L20. Circuits A3 and
L20 are HOT at all times.
DAYTIME RUNNING LAMP (DRL) MODULEÐ
CANADIAN VEHICLES ONLY
On Canadian vehicles, the low-beam headlamps op-
erate when the ignition switch is in the RUN position
and the headlamp switch is OFF.
When the ignition switch is in the START or RUN
positions, circuit A1 from fuse 4 in the Power Distri-
bution Center (PDC) connects to circuit A21. Circuit
A21 supplies voltage to circuit G5 through fuse 9 in
the fuse block. Circuit G5 splices to supply battery
voltage to the DRL module.
Circuit L20 from the headlamp switch connects to
the DRL module. Circuit L20 is HOT at all times.
The DRL module receives the vehicle speed sensor
input from circuit G7. Circuit G34 from the DRLmodule provides power for the high beam indicator
lamp in the instrument cluster.
Circuit L4 feeds the low beams of the headlamps.
When the headlamp switch is in the OFF position,
the DRL module powers the left and right headlamps
on circuit L4. When the headlamps are ON, the dim-
mer switch powers the low beams on circuit L4.
Circuit L3 feeds the high beams of the headlamps.
When the operator flashes the high beams with the
turn signal stalk, the DRL senses voltage on circuit
L3. When it senses voltage on circuit L3, the DRL
module stops supplying power to the low beams on
circuit L4.
Circuit Z1 provides ground for the DRL module.
Circuit Z1 terminates at the radiator left side sup-
port.
DIAGRAM INDEX
Component Page
Daytime Running Lamp (DRL) Module. . . .8W-50-3, 7, 9, 11
Fog Lamps.............................8W-50-9
Fog Lamp Switch........................8W-50-9
Fuse 3 (PDC)...........................8W-50-3
Fuse 4 (PDC)..........................8W-50-10
Fuse 6 (Fuse Block).......................8W-50-8
Fuse 7 (PDC)........................8W-50-3, 10
Fuse 8 (Fuse Block).......................8W-50-3
Fuse 9 (Fuse Block)......................8W-50-10
Headlamp Switch....................8W-50-3, 8, 10
Headlamp Dimmer Switch.................8W-50-3, 8
High Beam Relay.........................8W-50-9
Ignition Switch.........................8W-50-10
Instrument Cluster..................8W-50-3 thru 10
Left Headlamp.........................8W-50-4, 6
Left Park, Turn Signal Lamp...............8W-50-4, 6
Left Side Marker Lamp...................8W-50-4, 6
Park Lamp Relay.........................8W-50-8
Powertrain Control Module..................8W-50-11
Right Headlamp........................8W-50-5, 7
Right Park, Turn Signal Lamp..............8W-50-5, 7
Right Side Marker Lamp..................8W-50-5, 7
8W - 50 - 2 8W-50 FRONT LIGHTINGÐYJ VEHICLESJ
REAR LIGHTING
TAIL LAMPS AND LICENSE PLATE LAMPS
Circuit A6 in the Power Distribution Center (PDC)
connects to a bus bar in the fuse block. The fuse
block bus bar powers circuit F33. Circuit F33 con-
nects to the headlamp switch. Fuse 3 in the PDC
protects circuit A3. Fuse 8 in the fuse block protects
circuit F33.
The headlamp switch has three positions: ON,
PARK (parking lamps) and OFF, plus a dimmer
switch. When the headlamp switch is in the PARK or
ON position, the switch connects circuit F33 to cir-
cuit L7. From the headlamp switch, circuit L7
branches to power the front parking lamps and rear
tail and license plate lamps. The lamps are case
grounded.
HELPFUL INFORMATION
²If the vehicle is equipped with factory installed fog
lamps, circuit L7 splices to feed the park lamp relay.
²Jumper harnesses connect the tail, stop, turn sig-
nal lamp to the body harness.
²Check fuse 3 in the PDC.
²Check fuse 8 in the fuse block.
²Circuit L7 also feeds the radio, if equipped.
STOP LAMPS AND CHMSL LAMPS
Circuit A6 from fuse 3 in the Power Distribution
Center (PDC) supplies voltage to the fuse block bus
bar. The bus bar powers circuit F32 through fuse 3 in
the fuse block. Circuit F32 connects to the stop lamp
switch.
When the operator depresses the brake pedal, the
stop lamp switch closes, and connects circuit F32 to
circuit L50. Circuit L50 connects to the CHMSL
lamps and turn signal/hazard flasher. Circuit Z1 pro-
vides ground for the CHMSL lamps. The turn signal/
hazard flasher supplies current to the L62 and L63
circuits. Circuit L62 powers the right stop lamp. Cir-
cuit L63 powers the left stop lamp. The stop lamps
are case grounded.
HELPFUL INFORMATION
²Circuits L50 and Z1 pass through contacts in the
rear door before reaching the CHMSL lamps.
²Check fuse 3 in the PDC.²Check fuse 3 in the fuse block.
²Check for continuity across the stop lamp switch
when it is closed.
²If the vehicle is equipped with anti-lock brakes,
circuit L50 connects to the ABS module.
BACK-UP LAMPS
In the START or RUN position, the ignition switch
connects circuit A1 from fuse 4 in the Power Distri-
bution Center (PDC) to circuit A21. Circuit A21 feeds
a bus bar in the fuse block that powers circuit G5
through fuse 9.
Circuit G5 splices to supply power to the back-up
lamp switch. On automatic transmission vehicles, the
back-up lamp switch is part of an assembly that in-
cludes the PARK/NEUTRAL position switch.
When the operator puts the transmission in Re-
verse, the back-up lamp switch connects circuit G5 to
circuit L1. Circuit L1 feeds the case grounded
back-up lamps.
HELPFUL INFORMATION
²Check fuse 4 in the PDC.
²Check fuse 9 in the fuse block.
²Check for continuity across the back-up lamp
switch when it is closed.
DIAGRAM INDEX
Component Page
ABS Control Module......................8W-51-3
Back-Up Lamps..........................8W-51-4
Back-Up Lamp Switch.....................8W-51-2
Center High Mounted Stop Lamps (CHMSL).......8W-51-3
Fuse 3 (Fuse Block).......................8W-51-2
Fuse 3 (PDC)...........................8W-51-2
Fuse 4 (PDC)...........................8W-51-2
Fuse 9 (Fuse Block).......................8W-51-2
Fuse 8 (Fuse Block).......................8W-51-2
Headlamp Switch.........................8W-51-2
Ignition Switch..........................8W-51-2
Powertrain Control Module..................8W-51-3
Stop Lamp Switch........................8W-51-3
Tail, Stop, and Turn Signal Lamps.............8W-51-4
J8W-51 REAR LIGHTINGÐYJ VEHICLES 8W - 51 - 1