Diagram sections — 30 (54 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 85 (4.0l) (4.7l) (at bottom of steering column) (at right front corner of engine compartment, next to battery) power distribution center (between troughs in right engine compartment) (in center spline trough side) s316 (near air bag control module) g302 (near breakout for front power outlet) s201 (near power distribution center) g101 (right rear of engine) g117 4.0l 4.7l A/c comp rly ctrl A/c compressor clutch A/c compressor clutch relay A/c high pressure switch (on discharge line block fitting, near compressor) A/c low pressure switch (on top of accumulator) A/c press signal A/c switch signal A16 Automatic zone control module Battery Blower motor (on passenger side end of heater-a/c housing) Blower motor controller (on heater-a/c housing, inboard of blower motor) Blower motor ctrl Blower mtr ctrl Blwr mtr high dr Body control module (on left end of dash, attached to junction block) C100 C102 C103 C13 C15 C18 C21 C23 C24 C32 C33 C35 C56 C94 C95 C96 D25 Defogger relay out Defogger sw sense Defogger system Diagnostic junction port Dr blend door dr Dr blnd door driver Driver blend door motor/actuator (on heater-a/c housing) Driver blnd door driver F22 Fuse 15a Fuse 20 10a Fuse 21 10a Fuse 40a Fuse 7 10a Ground Hot at all times Hot in run Hot in run or start Ignition Junction block (behind left side of dash) Mode door driver Mode door motor/actuator (on heater-a/c housing) Panel lamps driver Pass blend door dr Pass blend door driver Passenger blend door motor/actuator (on heater-a/c housing) Pci bus Pnk Power distribution center (at right front corner of engine compartment, next to battery) Powertrain control module (on right side of firewall) Radiator fan motor (behind radiator) Radiator fan relay (behind bumper fascia, below right headlamp) Radiator fan relay ctrl Recirc door driver Recirculation door motor/actuator (on heater-a/c housing) Red Relay ctrl Relay output S103 (4.0l: near breakout for oxygen sensor 1/1 upstream) (4.7l: near breakout for engine oil pressure switch) S132 Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 62 (4.0l) (4.7l) (between troughs in right engine compartment) s132 (in center spline trough side) s316 (in trough opposite end of power connector) s206 (near power distribution center) g101 (right rear of engine) g117 4.0l 4.7l A/c comp rly ctrl A/c compressor clutch A/c compressor clutch relay A/c high pressure switch (on discharge line block fitting, near compressor) A/c low pressure switch (on top of accumulator) A/c press signal A/c switch signal A16 Battery Blend air dr posit ctrl Blower motor (on passenger side end of heater-a/c housing) Blower motor m1 driver Blower motor m2 driver Blower motor resistor block (bottom of heater-a/c housing, inboard of blower motor) Blower mtr high driver Blower mtr low driver Body control module (on left end of dash, attached to junction block) C103 C13 C15 C18 C21 C23 C24 C67 Defogger relay output Defogger switch sense Defogger system F22 Fuse 15a Fuse 20 10a Fuse 21 10a Fuse 40a Gnd Ground Hot at all times Hot in run Hot in run or start Ignition Junction block (behind left side of dash) Manual temperature control Panel lamps driver Power distribution center (at right front corner of engine compartment, next to battery) Powertrain control module (on right side of firewall) Radiator fan motor (behind radiator) Radiator fan relay (below bumper fascia, below right headlamp) Radiator fan relay ctrl Red Relay ctrl Relay output S103 (4.0l: near breakout for oxygen sensor 1/1 upstream) (4.7l: near breakout for engine oil pressure switch) Tan Temperature valve actuator
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Jeep Grand Cherokee Laredo 2000 List of elements for Anti-lock Brake Wiring Diagrams for Jeep Grand Cherokee Laredo 2000: 66 (main harn, near breakout for left courtesy lamp) 1999-00 4.7l only A10 A20 B41 B42 B43 Brake warning ind in Brake warning indicator switch (in master cylinder reservoir) Computer data lines system Controller anti-lock brake (mounted to hydraulic control unit) D25 Diagnostic junction port (at bottom of steering column) Driver door module (in driver door) Exterior lights F20 Fuse 10a Fuse 15a Fuse 20a Fuse 40a Fused ign (run) G-switch (below right rear seat) G-switch 1 G-switch 2 G-switch test sig G102 (left side of eng compt) Ground Hot at all times Hot in run Instrument cluster Junction block (behind left side of dash) Juncton block (behind left side of dash) L50 Left front wheel speed sensor (on left front steering knuckle) Left rear wheel speed sensor (on left rear backing plate) Lf wheel spd sens + Lf wheel spd sens - Lr wheel spd sens + Lr wheel spd sens - Pci bus Pci bus c1 Power (battery) Power distribution center (next to battery) Powertrain control module (on right side of firewall) Red Rf wheel spd sens + Rf wheel spd sens - Right front wheel speed sensor (on right front steering knuckle) Right rear wheel speed sensor (on right rear backing plate) Rr wheel spd sens + Rr wheel spd sens - S117 (near trans- mission control module) S210 S305 (near base of left "b" pillar) S312 (left side of dash) S313 (left side of dash) S325 (near controller anti-lock module) Seat module (under seat) Sentry key immobilizer module (near ignition lock cylinder) Stoplight sw in Stoplight switch (top of brake pedal arm) Transmission control module (on right inner fender) Vehicle information center (in headliner) Vehicle spd sens sig Vehicle speed sensor signal
ANTI-THEFT Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 60 (in liftgate) s404 (right side of dash) s201 Automatic headlamp light sensor/ vtss led Body control module (on left end of dash) Computer data lines system D25 Diagnostic junction port (at bottom of steering column) Door ajar sw Fuse 10a Fuse 15a Fused b(+) Fused ign G107 (behind right headlamp) G300 (below left front seat) G301 (below right front seat) G302 (below center console) G69 G76 G77 G78 G80 Ground Horn 1 (lower right front of engine compt) Horn 2 (lower right front of engine compt) Horn relay (in pdc) Horn rly ctrl Horn system (horn switch) Hot at all times Hot in acc or run Hot in run or start Junction block (behind left side of dash) Left front cylinder switch Left front door lock motor/ajar switch Left front door module Left liftgate ajar switch Left rear door lock motor/ajar switch Lf ajar sw Lf key cyl sw sen Liftgate ajar Liftgate ajar sw Liftgate flip-up ajar switch Pci bus Pnk Power distribution center (next to battery) Red Right liftgate ajar switch Right front door lock motor/ajar switch Right front door module S132 S211 S312 (left side of dash) S324 right side of dash) S336 S356 S357 S402 Sentry key immoblizer module (near ignition lock cylinder) Tan/red Vtss ind driver Vtss led
BODY COMPUTER
COMPUTER DATA LINES Computer Data Lines for Jeep Grand Cherokee Laredo 2000 List of elements for Computer Data Lines for Jeep Grand Cherokee Laredo 2000: 38 (4.7l) (right side of engine) g120 Airbag control module (below center floor console, near brake) Automatic zone control module Body control module (left end of dash, attached to j/b) Compact disk changer Conroller anti-lock brake (left side of engine compt) D19 D20 D21 D25 D32 Data link connector (under left side of dash, near steering column) Diagnostic junction port (at bottom of steering column) Driver door module (in door) Fuse 10a Hot at all times Instrument cluster Junction block (behind left side of dash) Of dash) Passenger door module (in door) Pci bus Pnk Pnk/ red Pnk/red Powertrain control module (right side of firewall) Radio S125 (near breakout to powertrain control module) S130 (near breakout to powertrain control module) S305 (base of left "b" pillar) S312 (left side of dash) S324 (near right kick panel) Sci receive Sci transmit Seat module (under seat) Sentry key immobilizer module (near ignition lock cylinder housing) Transmission control module (on right inner fender) Vehicle information center
COOLING FAN Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 22 (between troughs in right engine compartment) s132 (right headlamp area) g107 4.0l 4.7l A16 Battery C23 C24 Fuse 15a Fuse 40a Fused automatic shutdown relay Gnd Hot at all times Hot w/ automatic shutdown relay energized Hydraulic cooling module Oxygen sensor downstream relay Power distribution center (at right front corner of engine compartment, next to battery) Powertrain control module (on right side of firewall) Radiator fan motor (behind radiator) Radiator fan relay (below bumper fascia, right headlamp) Relay ctrl Relay output
CRUISE CONTROL Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 39 (left side of dash) Accel Cancel Clock- spring Coast Cruise control switch 1 Cruise control switch 2 Dump G107 (behind right headlamp) G301 (below right front seat) K29 Nca On/off Powertrain control module (or right side of firewall) Resume/ S132 S213 (near clock spring) S214 (near clock spring) S314 (left side of dash) S315 S329 Sensor ground Set Spd ctrl sw sig Speed ctrl pwr Stop sw sense Stoplight switch (top of brake pedal arm) Tan/red V32 V35 V36 V37 Vacuum Vacuum ctrl Vehicle speed control servo (below battery tray) Vent Vent ctrl W/ power seats W/o power seats
DEFOGGERS Defogger Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Defogger Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 33 12v Atc Automatic zone control module Body control module Computer data line system Defog relay input Defog sw sens Defogger relay ctrl Defogger sense sw Diagnostic junction port (at bottom of steering column) Fuse 10a Fuse 40a G300 (below left front seat) Ground Hot at all times Junction block (behind left side of dash) Left front door module Left power mirror Manual temperature control Ntc Pci bus Power distribution center (next to battery) Rear window defogger Rear window defogger relay Red/ tan Red/tan Right front door module Right power mirror S210 (left side of dash) S312 (left side of dash) S324 (right kick panel) S400 S401
ENGINE PERFORMANCE
4.0L 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2000: 35 (eng harn, in trough near break- out for pcm) (eng harn, in trough near breakout for pcm) (eng harn, near breakout for crank- shaft position sensor) s105 (eng harn, near breakout for fuel inj 5) (front body harn, in center spline, near breakout for brake lamp switch) (on throttle body) idle air control motor (under driver's seat) g300 Automatic shut down relay Camshaft position sensor (on right side of eng, near oil filter) Crankshaft position sensor (on transmission bellhousing) Cruise control system Engine coolant temperature sensor (on thermostat housing) Engine oil pressure sensor (right rear of eng block) Fuel pump module (top of fuel tank) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 30a Hot at all times Hot in start or run Intake air temperature sensor (in intake manifold plenum) Junction block (behind left side of dash) Manifold absolute position sensor (on side of throttle body) No 2 drv No 3 drv No 4 drv No1 drv Power distribution center (at right front corner of eng compt, next to battery) S107 S112 S128 S131 (in trough near breakout for pdc) S315 Throttle position sensor (on throttle body) 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2000: 90 (bottom of steering column) diagnostic junction port (eng harn, in breakout for oxygen sensor 2/2 downstream) (eng harn, in breakout for oxygen sensor) (eng harn, in breakout for oxygen sensors) (eng harn, top of eng, in fuel injector harness) (right rear of engine) g117 (under left side of dash, near steering column) 1/1 2/1 o2 rly 1/2 2/2 o2 rly A/c pres sig A/c system Asd relay ctrl Asd rly out Bat tem sens sig Battery temperature sensor (below battery tray) Brake sw sens C13 C18 Cali Check engine ind Comp cl ctrl Cruise control system D21 D25 D32 Data link connector Duty cycle evap/purge solenoid (on left fender side shield) Evap emis Ex cali Except cali F42 Fuel lev sensor Fuel pmp rly Fuse 10a Fuse 20a G302 (below center console) Gen source Hot at all times Hot in start or run Instrument cluster Junction block (behind left side of dash) K106 K107 K151 K21 K226 K25 K251 K29 K31 K51 K52 Leak det pmp Leak det pump Leak detection pump (below air cleaner housing) Nca O2s heater relay down- stream (cali) O2s heater relay up- stream (cali) Overdrive switch Oxygen sensor 1/1 upstream (fed: in exhaust downpipe, cali: in exhaust manifold front outlet) Oxygen sensor 1/2 downstream (fed: downstream of in line catalytic converter, cali: outlet of front mini catalytic converter) Oxygen sensor 2/1 upstream (cali) (in exhaust manifold rear outlet) Oxygen sensor 2/2 downstream (cali) (in outlet of rear mini catalytic converter) Pci bus Pnk Power distribution center (at right front corner of eng compt, next to battery) Powertrain control module (on right side of firewall) S104 S106 S108 S110 S111 S129 S130 (in breakout for pcm) S203 S316 Sci receive Sci transmit Shift interlock system Spd ctrl pow Spd ctrl sw T99 Tan/red Torque man req V32 V35 V36 V37 Vac sol ctrl Vent sol ctrl
4.7L 4.7L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for 4.7L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2000: 38 (eng harn, in breakout for crank- shaft position sensor) s119 (eng harn, in trough near breakout for pcm) (eng harn, near breakout for fuel inj 7) s107 (eng harn, near breakout for oxygen sensor) (in break- out to tp sensor) s120 (not used) (on throttle body) idle air control motor (under driver's seat) g300 Automatic shut down relay Camshaft position sensor (front top of right cylinder head) Crankshaft position sensor (above starter motor) Cruise control system Engine coolant temperature sensor (near front of intake manifold) Engine oil pressure sensor (above oil filter) Fuel pump module (top of fuel tank) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 30a Hot at all times Hot in start or run Intake air temperature sensor (in intake manifold plenum) Junction block (behind left side of dash) Manifold absolute position sensor (front of intake manifold) No 2 drv No 3 drv No 4 drv No1 drv Power distribution center (at right front corner of eng compt, next to battery) S105 S116 S122 S128 S315 Throttle position sensor (on throttle body) Transmission control system Transmission solenoid assembly (on transmission valve body) 4.7L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for 4.7L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2000: 95 (bottom of steering column) diagnostic junction port (eng harn, in breakout for fuel inj 8) s112 (eng harn, near breakout for oxygen sensor) (eng harn, near breakout for oxygen sensors) (eng harn, near breakout for pcm) (right rear of engine) g117 1/1 2/1 o2 rly 1/2 2/2 o2 rly A/c pres sig A/c system Asd relay ctrl Asd rly out Bat tem sens sig Battery temperature sensor (below battery tray) Brake sw sens C13 C18 Cali Charging system Check engine ind Ckp sens sig Comp cl ctrl Cruise control system D21 D25 D32 Data link connector (under left Duty cycle evap/purge solenoid (on left fender side shield) Evap emis Except calif F42 Fuel lev sensor Fuel pmp rly Fuse 10a Fuse 20a Gen source Hot at all times Hot in start or run Instrument cluster Junction block (behind left side of dash) K106 K107 K151 K21 K22 K226 K24 K25 K251 K29 K31 K51 K52 Leak det pmp Leak det pump Leak detection pump (below air cleaner housing) Nca O2s heater relay down- stream (cali) O2s heater relay up- stream (cali) Oxygen sensor 1/1 upstream (below left exhaust manifold, in downpipe) Oxygen sensor 1/2 downstream (fed: downstream of in-line catalytic converter, cali: in outlet of front mini catalytic converter) Oxygen sensor 2/1 upstream (cali) (below right exhaust manifold, in downpipe) Oxygen sensor 2/2 downstream (cali) (in outlet of right mini catalytic converter) Pci bus Pnk Power distribution center (at right front corner of eng compt, next to battery) Powertrain control module (on right side of firewall) S106 S108 S110 S125 (eng harn, at breakout for pcm) S129 S130 (eng harn, in breakout for pcm) S131 (eng harn, in trough near breakout for pdc) S316 Sci receive Sci transmit Sensor ground Shift interlock system Side of dash, near steering column) Spd ctrl pow Spd ctrl sw T10 T99 Tan/red Torque man req Torque req Tp sens sig Transmission control module (on right inner fender) V32 V35 V36 V37 Vac sol ctrl Vent sol ctrl
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Back-up Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 19 4.0l 4.7l Automatic day/night mirror Back- up lamp Fuse 20 10a G300 (under left seat) G301 (under right seat) Hot in run Junction block Left rear lamp assembly Park/neutral position switch (lower left side of transmission) Right rear lamp assembly S307 S310 near left rear taillamp) S328 (body harness, right cowl area) S332 Trailer tow connector Transmission solelnoid/trs assembly (on transmission valve body) W/ rear power outlet Exterior Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Exterior Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 77 (+) (below center of console) g302 (in left headlamp assembly) s155 (in left headlamp assembly) s156 (in right headlamp assembly) s153 (in right headlamp assembly) s154 (near license plate) s411 2001 only 87a Body control module Center high mounted stop lamp Combination flasher Controller anti-lock brake Fuse 10a Fuse 15a Fused Fused ignition switch output G102 (left front shock tower) G107 (behind right headlamp) G206 (center of dash, below air bag control module) G300 (under drivers seat) G301 (under right front seat) G302 (below center of console) Hazard Hazard switch sense Hot at all times Hot in run Instrument cluster Junction block Left front park lamp Left front park/ turn lamp Left front side marker lamp Left rear lamp assembly Left rear tail/ stop lamp Left rear turn lamp Left turn Left turn indi- cator Left turn signal Left turn switch sense License lamp 1 License lamp 2 Multi- function switch Park lamp relay Park lamp relay control Park lamp relay output Pnk Pnk/ Red Right front park lamp Right front park/ turn lamp Right front side marker lamp Right rear lamp assembly Right rear tail/ stop lamp Right rear turn lamp Right turn Right turn indi- cator Right turn signal Right turn switch sense S151 S152 S203 S205 S306 (behind left quarter panel) S307 S309 (left rear taillamp) S311 (near left rear tail lamp) S313 (near stop- light switch) S326 (right front door jam) S327 (behind right kick panel) S332 (near right b pillar) S401 S412 Stop- light switch Tan Tan/ Trailer tow circuit W/rear power outlet Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 49 (near trailer tow connector) s410 4.0l 4.7l 87a B/u lamp feed Back-up lamps circuit Body control module C/b 15a Cigar lighter relay Combination flasher Controller, anti-lock brakes Fuse 15a Fuse 20a G200 (center of dash, below air bag control module) G300 (under drivers seat) Hot at all times Junction block Left turn signal Park lamp relay Park lamp relay control Park/ neutral position switch Red Right turn signal S205 (right center of dash) S306 (near left rear taillamp) S309 (near left rear tail lamp) S310 (behind left quarter panel) S311 (near left rear taillamp) S313 (left dash, body harness) S327 (behind right kick panel) S328 (behind right kick panel) S406 (in trailer tow warness) S407 (in trailer tow harness) S408 (behind left quarter panel) S409 Stoplight switch To center high mtd. stop lamp To left rear lamp assembly To left rear turn lamp To license lamps To right rear lamp assembly To right rear turn lamp Trailer electric brake provision Trailer tow brake lamp relay Trailer tow circuit breaker Trailer tow connector Trailer tow left turn relay Trailer tow right turn relay Transmission solenoid assembly
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 2000 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 2000: 33 (mtc) temperature valve actuator 14 c1 2 c1 25 c1 31 c3 45 c3 87a Ash receiver lamp Automatic zone control module Blower motor controller Body control module Chime Cigar lighter Cigar lighter relay Driver heated seat switch Front power outlet G302 (below center of console) Ignition switch Instrument cluster Junction block Left multi- function switch Low beam daytime running lamp relay Manual temperature control Of dash) Override switch Parking lamp relay Passenger heated seat switch Power connector Prndl/ transfer case illumination S201 (azc) (center of dash) S205 (center of dash, near radio) S211 (upper left side of dash) Sentry key immobilizer module Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 2000 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 2000: 26 (base) (other) (premium) Brake lamp switch Driver door cylinder lock switch Driver door lock/motor ajar switch Driver door module G301 (under right front seat) Passenger door lock/motor ajar switch Passenger door module Passenger lumbar switch Passenger power seat switch Passenger rear door lock/motor ajar switch Passenger rear power window switch Power amplifier Radio Rear power outlet Right rear lamp assembly S329 (body harness, below passenger side door frame) S330 (body harness, near front door) S331 (body harness at b pillar) S332 (bottom of right "b" pillar) S336 (driver door) S338 (passenger door) S341 (under passenger seat) S357 (bottom right rear door) Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 2000 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 2000: 52 (4.0l) (4.7l) (california) A/c compressor clutch A/c low pressure switch Air bag control module Battery Breakout for tcm) Controller anti-lock brake Coolant level sensor Data link connector Downstream 1/2 oxygen sensor Downstream 2/2 oxygen sensor G102 (left shock tower) G107 (behind right headlamp) G111 (near battery) G117 (right rear of engine) G120 (right side of engine) G302 (below center of console) Horn Left fog lamp Left front park lamp Left front park/turn signal lamp Left high beam headlamp Left low beam headlamp Line pressure sensor Nca Powertrain control module Radiator fan motor Radiator fan relay Rear washer pump motor Right fog lamp Right front park lamp Right front park/turn signal lamp Right high beam headlamp Right low beam headlamp S103 (4.0l) (in breakout of harness on right side of engine) (4.7l) (near engine oil pressure switch) S104 (rear of engine) S132 (right front wheelwell) S133 (near breakout for battery temperature sensor) S151 (in headlamp assembly) Transfer case switch Transmission control module Transmission control relay Under- hood lamp Upstream 1/1 oxygen sensor Upstream 2/1 oxygen sensor Vehicle speed control servo Washer fluid level switch Wind- shield wiper motor Windshield washer pump Wiper high/low relay Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 2000 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 2000: 45 (midline/premium) driver lumbar switch (other) (premium power seats) (premium) seat module (sun roof) 12 c2 19 c1 Automatic day/night B base 1 other Center high mounted stop lamp Driver power seat switch Driver rear door lock motor/ajar switch Driver rear power window switch Fuel pump module G300 (under drivers seat) Lamp) Left liftgate ajar switch Left rear lamp assembly License lamp Liftgate flip-up ajar switch Liftgate flip-up release solenoid Mirror Rear window defogger Rear wiper motor Right liftgate ajar switch S300 (bottom left "b" pillar) S301 (under left front seat) S307 (above left quarter wheel housing) S355 (under drivers seat) S356 (bottom of left rear door) S370 (near breakout for sun roof module) S401 (near rear window defogger ground connector) S402 (lift- gate harness) S408 (left rear quarter panel, behind trim) S409 (left rear quarter panel, behind trim) S410 (at trailer tow connector) S412 (near license plate lamps) Sun roof control module Sun roof motor position sensor Sun roof switch Trailer tow brake lamp relay Trailer tow connector Trailer tow left turn relay Trailer tow right turn relay Vehicle information center
HEADLIGHTS Headlight Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 2000 List of elements for Headlight Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 2000: 58 (battery) (ground) (in headlamp assembly) s151 (low beam ctrl) (low beam out) Auto Auto headlamp sw out Automatic headlamp light/sensor vtss led (top of dash) Body control module (left end of dash) D25 Diagnostic junction port (at bottom of steering column) Flash Fog Fog lamp relay Fog lamp relay control Fog lamp sense Fuse 10a Fuse 15a Fuse 50a G100 (front of left front fender) G101 (front of right front fender G302 (below center console) G52 Head Headlamp dimmer sw Headlamp sw ground High High beam indicator High beam relay High beam relay control Hot at all times Instrument cluster Junction block (behind left side of dash) L109 L110 L27 L40 L80 Left fog lamp Left high beam headlight Left low beam headlight Left multi-function switch Low Low beam relay control Low beam/daytime running lamp relay Off Park Pci bus Power distribution center (next to battery) Red Right fog lamp Right high beam headlight Right low beam headlight S133 S134 S205 Sensor ground Sensor signal Headlight Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 2000 List of elements for Headlight Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 2000: 54 (in headlamp assembly) s151 Auto Auto headlamp sw out Automatic headlamp light/sensor vtss led (top of dash) Body control module (left end of dash) D25 Diagnostic junction port (at bottom of steering column) Flash Fog Fog lamp relay Fog lamp relay control Fog lamp sense Fuse 10a Fuse 15a Fuse 50a G100 (front of left front fender) G101 (front of right front fender G302 (below center console) G52 Head Headlamp dimmer sw Headlamp sw ground High High beam indicator High beam relay High beam relay control Hot at all times Instrument cluster Junction block (behind left side of dash) L109 L110 L27 L40 L80 Left fog lamp Left high beam headlight Left low beam headlight Left multi-function switch Low Low beam relay Low beam relay control Off Park Pci bus Power distribution center (next to battery) Red Right fog lamp Right high beam headlight Right low beam headlight S133 S134 S205 Sensor ground Sensor signal
HORN Horn Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Horn Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 15 Body control module Clockspring Fuse 15a G103 (above left front wheelwell) Horn 1 (lower right front of engine compt) Horn 2 (lower right front of engine compt) Horn relay (in pdc) Horn switch Hot at all times Junction block (left side of dash) Nca Power distribution center (right front corner of engine compt, next to battery) Red Relay ctrl S132
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 88 (body harn, near right kick panel) s324 (dash harn, behind left side of dash) (engine compt harn, near breakout to controller anti-lock brakes) (engine compt right rear of engine compt) s130 (in fuel injector harn) s324 4.7l Abs warning Air bag control module (below floor console, near park brake) Air bag warning Body control module Brake warn Brake warning Check engine Check gauges Chime (left side of dash) Computer data lines system Computer datalines Controller anti-lock brake (left side of engine compt, mounted to hydraulic control unit) Coolant level sense Coolant level sensor (in fluid reservoir) Cruise D25 Diagnostic junction port (at bottom of steering column) Ect Engine controls Engine coolant temperature gauge Engine coolant temperature sensor (4.0l: on thermostat housing) (4.7l: front of manifold) Engine oil pressure sensor (4.0l: right rear side of engine) (4.7l: lower left front of engine, above oil filter) Eop Exterior lights system F33 Fog lamp Fuel gauge Fuel lvl Fuel pump module (top of fuel tank) Fuse 10a Fused (b+) G107 (behind right headlamp) G117 (right rear of engine) G206 (center of dash, below air bag control module) G302 (under center console) G60 Ground High beam Hot at all times Hot in run or start Ign (st/run) Illumination Illumination lamps (5 bulbs) Instrument cluster Junction block (behind left side of dash) K226 L60 L61 Left turn Low coolant level Low fuel warning Oil pressure gauge Overdrive Park brake switch (on park brake bracket) Part time 4wd Pci bus Pnk/red Powertrain control module (right side of firewall) Right turn S103 S117 (4.7l) (engine compt harn, near breakout to transmission control module) S132 S203 S205 S210 (dash harn, behind left side of dash) S211 S325 Seat belt sense Seat belt warning Sens gnd Sentry key immobilizer module (near ignition lock cylinder housing) Sentry key immobilizier Speedometer T107 Tachometer Tan Transfer case switch (on transfer case) Transmission control module (right front inner fender) Transmission temperature Voltmeter Vss Vss sig Overhead Console Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Overhead Console Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 21 Computer data lines system D25 Drivers seat) F70 Fuse 10a Fuse 15a Fused b+ Fused ign G300 (under Ground Hot at all times Hot in run or start Junction block (behind left side of dash) Other Pci bus Pnk Premium power seats S301 S346 S349 Vehicle information center (at headliner)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Courtesy Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 68 (near lifgate lock motor) s404 Ajar sens Body control module Cargo lamp Driver door courtesy lamp Driver door lock motor/ ajar switch Driver door module (in driver's door) Fuse 10a Fuse 15a Fuse 50a Fused b+ G102 (left G300 (under driver's seat) G301 (under G301 (under passenger seat) G302 (below center console) Glove box lamp Ground Hot at all times Hot in run or acc Hot in run or start Junction block (behind left side of dash) Lamp drvr Lamp gnd Left courtesy lamp Left handle courtesy lamp Left handle courtesy lamp switch Left liftgate ajar witch Left rear door lock motor/ ajar switch Left visor/ vanity lamp Liftgate flip-up ajar witch Nca Overhead map/ courtesy lamp 1 Overhead map/ courtesy lamp 1 switch Overhead map/ courtesy lamp 2 Overhead map/ courtesy lamp 2 switch Passenger door courtesy lamp Passenger door lock motor/ ajar switch Passenger seat) Passenger's door module (in passenger's door) Pnk Pnk pnk Pnk/ red Power distribution center (next to battery) Right courtesy lamp Right handle courtesy lamp Right handle courtesy lamp switch Right liftgate ajar witch Right rear door lock motor/ ajar switch Right visor/ vanity lamp S134 S205 S207 S211 S336 S338 S346 S348 (body harn, at head liner) S356 S357 S402 S405 (near rear wiper motor) Shock tower) Tan/ red Tan/red Underhood lamp Upper dash) Wiper/ washer system Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 25 (1999) (2000) Ash receiver lamp Atc Automatic zone control module Body control module Dome on day brightness dimmer dome inhibit Driver heated seat switch Fuse 10a Fuse 29 fuse 28 10a G206 (center of dash, below air bag control module) Hot at all times Hot in run or acc Hot in run or start Junction block (behind left side of dash) Left multi- function switch Manual temperature control Mtc Passenger heated seat switch Prndl/transfer case illumination Radio Red S202 (dash harn, lower dash) S203 S205 S211
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 50 Automatic day/night mirror Body control module (left end of dash, attached to junction block) C117 C118 Computer data lines D25 Diagnostic junction port (bottom of steering column) Down Driver door module (in driver's door) Driver power mirror F21 Fuse 50a Fused b+ G301 (under passenger seat) Ground Heater Hot at all times Junction block (behind left side of dash) Left Memory 1 Memory 2 Memory position 1 Memory position 2 Memory set Memory set switch Memory switch rtn Memory switch set Mirror common Mirror heater 12v Mirror heater gnd Mirror horiz drvr Mirror horiz pos sig Mirror sensor gnd Mirror vert drvr Mirror vert pos sig Of dash) P64 P65 P69 P91 P93 P95 Passenger power mirror Passenger's door module (in passenger's door) Pci bus Power distribution center (next to battery) Red Right S210 (dash harn, upper dash) S336
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 2000: 65 (rear of right front fender) red s127 (under driver red seat) s353 (under passenger seat) s342 A/c com- pressor clutch relay A30 Automatic shutdown relay Base Battery Blower motor Blower motor controller Circuit breaker 2 20a Controller anti-lock brake Data link connector Down- stream o2s heater relay Driver lumbar switch Driver power seat switch Engine starter motor Engine starter motor relay Except base F35 F35 c2 Fog lamp relay From a fuse 15 (diagram 1 of 3) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 30a Fuse 40a Fuse 50a Generator High beam relay Horn relay Instrument cluster Junction block Low beam relay Low beam/ daytime running relay Midline Nca Park lamp relay Passenger lumbar switch Passenger power seat switch Pnk/red Power distribution center Power- train control module Premium Premium i only Radiator fan relay Red Red c Red/tan S100 (near pdc) Seat module Stop- light switch Sun roof delay relay To cigar lighter relay (j/b) (diagram 2 of 3) To fuse 18 (j/b) (diagram 3 of 3) To fuse 7 (diagram 1 of 3) To fuse 8 (j/b) (diagram 2 of 3) To ignition switch (diagram 2 of 3) Transmission control module Transmission control relay Up- stream o2s heater relay W/ auto a/c W/ manual a/c Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2000: 71 (bottom of left pnk "b" pillar) s304 (left side of dash) s316 (near radio breakout) s207 (rear of right front fender) s129 (right rear of engine compt) s116 10a 4.7l only A/c compressor clutch relay Acc Air bag control module Automatic day/night mirror Automatic shutdown relay Body control module Brake shift interlock solenoid Cargo lamp Cigar lighter Cigar lighter relay Circuit breaker 1 20a Downstream o2s heater relay (calif only) Duty cycle evap/purge solenoid F14 From fuse 14 (pdc) (diagram 1 of 3) From fuse 15 (pdc) (diagram 1 of 3) From fuse 2 (pdc) (diagram 1 of 3) From fuse 8 (pdc) (diagram 1 of 3) Fuel pump relay Fuse Fuse 10a Fuse 15a G300 (under right side of driver's seat) Glove box lamp Ignition switch Instru- ment cluster Junction block Left courtesy lamp Left handle courtesy lamp Left visor/ vanity lamp Liftgate lock motor Nca Off Overhead map/ courtesy lamp 1 Overhead map/ courtesy lamp 2 Pnk Power distribution center Powertrain control module Radio Rear window defogger relay Rear wiper motor Red Red/tan Right courtesy lamp Right handle courtesy lamp Right multi- function switch Right visor/ vanity lamp Run S203 (right side of dash) S205 (right side of dash) S346 (behind pnk headliner) S403 (left side pnk of liftgate) Sentry key im- mobilizer module Start To fuse 19 (j/b) (diagram 3 of 3) To fuse 31 (j/b) (diagram 3 of 3) To fuse 5 (diagram 3 of 3) Trailer tow circuit breaker Transmission control module Upstream o2s heater relay (calif only) Vehicle infor- mation center Vehicle informaton center Wind- shield wiper motor Wiper on/of relay Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2000 List of elements for Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2000: 46 (right side of dash) s204 (right side of dash) s206 (right side of dash) s209 4.0l 4.7l Air bag control module Automatic headlamp light sensor/ vtss led Automatic zone control module Body control module Combination flasher Controller anti-lock brake Driver door module Driver heated seat switch Engine starter motor relay F21 F23 F45 From fuse 12 (pdc) (diagram 1 of 3) From ignition switch (diagram 2 of 3) From j fuse 8 (diagram 2 of 3) Front power outlet Fuse 10a Fuse 15a Fuse 20a Fuse 25a Junction block Manual temperature control Nca Park/ neutral position switch Passenger door module Passenger heated seat switch Pnk Pnk/red Power amplifier Power connector Power distribution center Radio Rear power outlet Sentry key immobilizer module Temperature valve actuator Trailer tow brake lamp relay Transmission control module (4.7l only) Transmission solenoid/ trs assembly Underhood lamp W/ auto a/c W/ manual a/c
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Power Door Lock Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 64 Body control module Computer data lines system D25 Diagnostic junction port (at bottom of steering column) Door lock Dr unlock Flip-up ajar Fuse 15a Fuse 50a Fused b+ G300 (below left front seat) G301 (below right front seat) G301 g301 (below right (below right front seat) front seat) G76 G77 G78 G80 Ground Hot at all times Junction block Left front door cylinder switch Left front door lock motor/ ajar switch Left front door module Left liftgate ajar switch Left rear door lock motor/ ajar switch Lf ajar sw Lf key cyl sw sense Liftgate ajar Liftgate flip-up ajar switch Liftgate flip-up push button switch Liftgate flip-up release solenoid (in liftgate) Liftgate lock motor/ limit switch Lr door ajar Pci bus Pnk Power distribution center Rear wiper motor Rf ajar sw Right front door lock motor/ ajar switch Right front door module Right liftgate ajar switch Right rear door lock motor/ ajar switch Rr door ajar S210 (right side of dash) S302 (near left "b" pillar) S303 (near left "b" pillar) S304 S312 (left side of dash) S317 (right side of dash) S318 (right side of dash) S324 (right kick panel) S336 S338 S338 s338 S339 (right front door) S356 S357 S402 S403 (near rear wiper motor) S404 (in lifgate) S405 (near rear wiper motor) Tan/ red Tan/red Unlock driver
POWER MIRRORS Power Mirror Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Power Mirror Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 59 4.0l 4.7l Automatic day/night mirror Back up feed Body control module (left end of dash, attached to junction block) C117 C118 Computer data lines D25 Day/ night (+) Day/ night (-) Diagnostic junction port (bottom of steering column) Down Driver door module (in driver's door) Driver power mirror Exterior lights F21 Fuse 10a Fuse 50a Fused b+ Fused ign G300 (under driver seat) G301 (under passenger seat) Gnd Ground Heater Hot at all times Hot in run or start Junction block (behind left side of dash) Left Mirror common Mirror heater 12v Mirror heater gnd Mirror horiz drvr Mirror horiz pos sig Mirror sensor gnd Mirror vert drvr Mirror vert pos sig Near left rear taillamp) Of dash) P64 P65 P69 P91 P93 P95 Park/ neutral position switch Passenger power mirror Passenger's door module (in passenger's door) Pci bus Power distribution center (next to battery) Red Right S210 (dash harn, upper dash) S307 S328 (body harn, at right kick panel) S336 S349 Transmission solenoid/trs assembly
POWER SEATS Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 36 (1999) c3 (2000) (left side of dash, at air bag module) g202 0 off 1 low 2 high Body control module (on junction block) Diagnostic junction port Driver door module Driver heated seat back Driver heated seat cushion Driver heated seat switch Driver seat heater battery (+) driver Driver seat heater switch mux Driver seat temperature sensor input Fuse 10a Ground Hot in run Junction block (behind left side of dash) Panel lamps driver Passenger heated seat back Passenger heated seat cushion Passenger heated seat switch Passenger seat heater battery (+) driver Passenger seat heater switch mux Passenger seat temperature sensor input Pci bus S202 (center of dash) S203 (center of dash) S204 (right center of dash) S210 (right upper dash) S305 (left b pillar) S312 (body harness, left dash) S351 (near breakout for seat belt switch) Seat heater switch sensor ground Seat module (under driver's seat) Sentry key immobilizer module Vehicle information center Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 16 15 c1 24 c2 Circuit breaker 20a Driver lumbar motor Driver's lumbar switch G300 (under driver's seat) G301 (under passenger's seat) Hot at all times Junction block (behind left side of dash) Passenger lumbar motor Passenger's lumbar switch Red S341 (under passenger's seat) S342 (under passenger's seat) S353 (under driver's seat) S355 (under driver's seat) Power Seat Wiring Diagram, Base for Jeep Grand Cherokee Laredo 2000 List of elements for Power Seat Wiring Diagram, Base for Jeep Grand Cherokee Laredo 2000: 18 1 forward 2 rearward 3 rear up 4 front up 5 rear down 6 front down 7 raise 8 lower C1 driver side C2 passenger side Circuit breaker 20a Driver Driver or passenger power seat switch G300 (under driver seat) G301 (under passenger seat) Hot at all times Junction block (behind left side of dash) Passenger Power seat front riser motor Power seat horizontal motor Power seat rear riser motor S300 (left b pillar) S329 (body harness near front door) S355 (under driver seat) Side Power Seat Wiring Diagram, Midline for Jeep Grand Cherokee Laredo 2000 List of elements for Power Seat Wiring Diagram, Midline for Jeep Grand Cherokee Laredo 2000: 22 1 rear up 2 rear down 3 forward 4 rearward 5 front up 6 front down 7 recliner forward 8 recliner rearward 15 c1 24 c2 Circuit breaker 20a Driver Driver or passenger power seat switch Driver side G300 (under driver seat) G301 (under passenger seat) Hot at all times Junction block (behind left side of dash) Passenger Passenger side Power seat front riser motor Power seat horizontal motor Power seat rear riser motor Power seat recliner motor S300 (left b pillar) S329 (body harness near front door) S341 (under passenger seat) S355 (under driver seat) Side
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Jeep Grand Cherokee Laredo 2000 List of elements for Power Top/Sunroof Wiring Diagrams for Jeep Grand Cherokee Laredo 2000: 22 Accesory delay Body control module Close Fuse 20a G300 (under driver seat) Ground Hot at all times Junction block (behind left side of dash) Motor b+ Motor b- Open Position signal S345 S370 Sun roof control module (near front of sun roof opening) Sun roof delay relay Sun roof motor (near front of sun roof opening) Sun roof motor position sensor Sun roof open Sun roof switch Sun roof vent Tan
POWER WINDOWS Power Window Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Power Window Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 39 power distribution (near right kick panel) (r/f door) Batt Body control module (behind dash on junction block) Center (next to battery) Diagnostic junction port (at bottom of steering column) Driver door module Fuse 50a G300 (near left front seat) G301 (near right front seat) Gnd Hot at all times Illumination Junction block (behind left side of dash) L/f wind dn L/f wind up L/r wind dn L/r wind up Left front power window motor Left rear power window motor Left rear power window switch Nca Passenger door module Pci bus R/f wind dn R/f wind up R/r win up R/r wind dn Right front power window motor Right rear power window motor Right rear power window power window switch switch S312 (near stoplight switch) S324 S330 (right front door sill) S336 (left front door) S338 S356 (bottom of left rear door) S357 (bottom of right rear door)
RADIO Base Radio for Jeep Grand Cherokee Laredo 2000 List of elements for Base Radio for Jeep Grand Cherokee Laredo 2000: 45 (not used) (steering column harn, near breakout to remote radio switches) Antenna Body control module Clockspring Diagnostic junction port (at bottom of steering column) Fuse 15a Fuse 25a Fused b(+) Fused ign G301 (under passenger seat) Hot at all times Hot in run or acc Junction block (behind left side of dash) L front (+) L front (-) L rear (+) L rear (-) Left front door speaker Left rear door speaker Mux return Nca Panel lamps Panel lamps feed Park lamp Parklamp relay output Pci bus Pci bus (+) R front (+) R front (-) R rear (+) R rear (-) Radio Radio control mux Radio mux Remote radio switch 1 Remote radio switch 2 Right front door speaker Right rear door speaker S215 S216 S360 (left kick panel) S361 (left kick panel) S362 (right kick panel) S363 (right kick panel) Premium Sound Radio Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Premium Sound Radio Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 64 (at bottom of steering column) diagnostic junction port (near power amplifier) s368 (steering column harn, near breakout to remote radio switches) Amplifier Antenna Audio in l Audio in r Audio out l Audio out r B(+) Body control module Clockspring Compact disc player Enable Fuse 15a Fuse 25a Fused b(+) Fused ign G301 (under passenger seat) Ground Hot at all times Hot in run or acc Ign switch Junction block (behind left side of dash) L dash (+) L dash (-) L front (+) L front (-) L rear (+) L rear (-) Left dash panel speaker Left front door speaker Left rear door speaker Mux return Nca Panel lamps Panel lamps feed Park lamp Parklamp relay output Pci bus Pci bus (+) Power antenna system R dash (+) R dash (-) R front (+) R front (-) R rear (+) R rear (-) Radio Radio 12v Radio control mux Radio mux Red Remote radio switch 1 Remote radio switch 2 Right dash panel speaker Right front door speaker Right rear door speaker S215 S216 S324 (near right kick panel) S331 S334 Shield
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 14 (near right front seat) Base Brake lamp switch (top of brake pedal arm) Brake lamp switch sense Brake transmission shift interlock solenoid (at top of steering column) Fuse 21 10a G301 Hot in run or start Junction block (behind left side of dash) Power seats Powertrain control module (right side of firewall) S314 (dash harn, left side of dash) S329 Up-level
STARTING/CHARGING Charging Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Charging Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 42 (in trough near breakout for pcm) (near breakout to pdc) Asd rly ctrl Asd rly out Automatic shut down relay (in pdc) Battery Battery temper- ature sensor (below battery tray) Check gauges ind ctrl Check gauges indicator D25 Diagnostic junction port (bottom of steering column) Engine controls system Engine starter motor Fuel pump relay (in pdc) Fuse 10a Fuse 15a Fuse 30a Fuse 7 20a G102 (near battery) Gen fld dvr Gen fld sre Generator Hot at all times Hot in run or start Instrument cluster Junction block Meter ctrl Nca Pci bus Power distribution center Power distribution system Powertrain control module (on right side of firewall) Red S100 (near pdc) S126 S128 (in trough near breakout for pcm) S131 S201 S324 Sensor ground Sensor signal Volt Starting Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Starting Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 28 (4.0l: near breakout for rail coil, 4.7l: near breakout for oxygen sensors) 4.0l 4.7l Acc Battery Engine starter motor Engine starter motor relay (in pdc) Fuse 10a Fuse 40a G102 (near battery) Hd in Ignition switch Junction block Lock Off P/ n Park/ neutral position switch (left side of transmission) Pl in Power distribution center Powertrain control module (on right side of firewall) Red Rly ctrl Run S122 S127 Start Transmission control module (on right inner fender) Transmission solenoid assembly (on trans valve body)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Supplemental Restraint Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 24 (near air bag control module) g302 Air bag control module (below center floor console, near park brake) Air bag warning indicator Air bag warning indicator control Clockspring D25 Data link connector (dlc) (partial) (under left side of dash, near steering column) Diagnostic junction port (at bottom of steering column) Driver air bag F14 F23 Fuse 10a Hot in run Hot in run or start Ign Instrument cluster Junction block (behind left side of dash) Nca Passenger air bag Pci bus R42 R43 R44 R45
TRANSMISSION
4.0L 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 60 (engine harn, front of trans) 3-4 shift ctrl 3-4 shift sol Engine controls system Engine starter motor relay Fuse 10a Fuse 15a Fuse 30a G117 (right rear of engine) G302 (below center console) Gen source Generator Gov pres ctrl Gov pres sol Gov press sens Gov press sol Hot at all times Hot in run or start Instrument cluster Junction block (behind left side of dash) K21 K30 K88 Od off sw Output speed sensor (left rear of transmission) Overdrive switch (center console) P/n sens Park/neutral position switch (lower left side of transmission) Part time 4wd indicator Pnk Power distribution center (right front corner of engine compt) Powertrain control module (right side of firewall) S102 S103 S112 S122 (rear of engine, top of transmission) S126 (right rear fender area) S203 Sens gnd Sensor gnd Speed sens gnd Speed sens sig T121 T13 T14 T22 T24 T25 T54 T60 T99 Temp sens Torq conv ctrl Torque conv sol Trans relay out Trans rly ctrl Trans temp sens Transfer case switch Transmission control relay Transmission solenoid assembly (on transmission valve body)
4.7L 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 2000 List of elements for 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 2000: 56 (at breakout to pcm) (in breakout to ckp sensor) (in breakout to ckp sensor) s119 (in breakout to junction block) s325 (left side of engine compt) controller anti-lock brake (near tcm) (on throttle body) throttle position sensor (rear of engine) (right side of engine block) crankshaft position sensor Automatic shut down relay (in pdc) Ckp signal D21 D25 Data link connector (below left side of dash) Diagnostic junction port (base of steering column) F991 Fuel pump relay (in pdc) Fuse 10a Fused ign G120 (right side of engine) G302 (below center console) Gnd Hot in run or start Input speed sensor (left front of transmission) Instrument cluster Junction block (behind left side of dash) K22 K24 Line pressure sensor (right rear side of transmission) Output speed sensor (left rear of transmission) Overdrive switch (center console) Passenger door module Pci bus Pnk Powertrain control module (right side of firewall) Press sig S105 S112 S113 (near tcm) S114 S116 S117 (near tcm) S120 S125 S130 (at breakout to pcm) S203 S324 (right kick panel) Sci transmit Sensor gnd Strt rly ctrl T24 T99 Torq sense Tps signal Vss out Vss sig
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Jeep Grand Cherokee Laredo 2000 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Jeep Grand Cherokee Laredo 2000: 14 (below left front seat) Fuse 15a G300 Hot at all times Junction block (behind left side of dash) Liftgate flip-up push button switch (in liftgate) Liftgate lock motor (in liftgate) Liftgate release solenoid (in liftgate) Limit switch Nca Pnk Pnk pnk S402 S403
WARNING SYSTEMS Warning System Wiring Diagrams for Jeep Grand Cherokee Laredo 2000 List of elements for Warning System Wiring Diagrams for Jeep Grand Cherokee Laredo 2000: 85 (1999) (2000) (right kick panel) (right side of dash) s210 10a Auto Body control module Center console) Computer data lines system Coolant level sense Coolant level sensor (in fluid reservoir) D25 Diagnostic junction port (at bottom of steering column) Driver's seat) Fuse 10a Fuse 28 Fuse 29 Fused (b+) G10 G107 (behind G18 G26 G300 (under G300 (under drivers seat) G301 (below G302 (below G302 (below center console) G52 G76 G77 G78 G80 Ground Head Headlamp switch Headlamp switch mux Hot at all times Hot in run & acc Hot in run & start Hot in run or start Ign (st/run) Ignition switch Instrument cluster Junction block (behind left side of dash) Key-in ignition switch L80 Left front door lock motor/ ajar switch Left front door module Left liftgate ajar switch Left multi-function switch Left rear door lock motor/ ajar switch Lf ajar Liftgate ajar Liftgate flip-up ajar Liftgate flip-up ajar switch Lr door ajar Off Park Pci bus Pnk/ red Pnk/red Rf ajar Right front door lock motor/ ajar switch Right front door module Right front seat) Right headlamp) Right liftgate ajar switch Right rear door lock motor/ ajar switch Rr door ajar S132 S205 S211 S312 (left side of dash) S324 S336 S338 s338 S356 S357 S402 S404 (in lifgate) Seat belt switch Seat belt switch (chime) Seat belt warning Tan/ red Tan/red
WIPER/WASHER Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 2000 List of elements for Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 2000: 42 (near rear wiper motor) s405 87a Body control module C.b. 20a Delay Delay switch Front wiper motor (left side of firewall) Fuse 10a Fuse 15a G101 (near power distribution center) G102 (left side of engine compartment) G300 (near left front seat) G302 (near air bag control module) Hot at all times Hot in run or acc Hot in run or start Interior lights (liftgate ajar switch) Junction block (behind left side of dash) Mist switch Off Off intermittent 1 intermittent 2 intermittent 3 intermittent 4 intermittent 5 low high Park switch Pnk Rear washer pump (bottom of washer reservoir) Rear wiper motor (on liftgate inner panel) Rear wiper switch Right multi- function switch S132 S134 S161 S205 S212 (dash harn, upper dash) S402 S403 Tan/ red Tan/red Wash switch Washer fluid level switch (bottom of washer reservoir) Windshield washer pump (bottom of washer reservoir) Wiper high/low relay (in pdc) Wiper on/off relay (in pdc) Wiper switches
