Diagram sections — 30 (56 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES 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 INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 69 (4.7l:near breakout for fuel injector 7) (4.0l:near breakout for fuel injector 6) (at right front of engine compartment) (4.7l) hydraulic cooling module (in breakout for pdc) s180 (near airbag control module) g200 (near breakout for c314) s316 (near breakout for g104) (4.0l) s102 (run) ignition A/c comp relay ctrl A/c compressor clutch (4.7l: at top front engine (4.0l: at left front engine A/c compressor clutch relay A/c pressure signal A/c pressure transducer (behind right side radiator support) A/c switch signal Blend air dr posit ctrl Blower motor (behind right side of dash) 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 C18 Courtesy lamp) s211 Defogger relay output Defogger switch sense Defogger system Ect sens sig Engine controls system Engine coolant temperature sensor (4.7l:near front of intake manifold (4.0l:at top front of engine,on thermostat housing) F142 Fan relay Fuse 15a Fuse 20 10a Fuse 21 10a Fuse 40a Fused relay out G104 (4.7l: left side of engine) (4.0l: right rear of engine) G108 (near power distribution center) Ground High speed High speed radiator High speed radiator fan relay (4.0l) (in power distribution center) Hot at all Hot at all times Hot in run Hot in run or start Hot w/automatic shut down (asd) relay energized Ignition Junction block (behind left side of dash) K173 Low speed Low speed radiator Low speed radiator fan relay (4.0l) (in power distribution center) Manual temperature control Panel lamps driver Pedal switch) 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 rly ctrl S112 (4.7l:near breakout for coil on plug 8) (4.0l:in breakout for c103 & c104) S181 Sensor ground Tan Temperature valve actuator Times Z500
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Anti-lock Brakes Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 58 (near breakout for c200) (on right side of firewall) powertrain control module A10 A20 Abs warning indicator B22 B22 b22 Brake fluid level sw Brake lamp switch Computer data lines system Controller anti-lock brake (on left side of engine compt, mounted to hydraulic control unit) D25 Data link connector (under left side of dash, near steering column) F20 Fuse 10a Fuse 15a Fuse 20a Fuse 40a Fuse b (+) Fused ign (run) G107 (at left side of engine compt) Ground Hot at all times Hot in run Hot in run or start Ignition Instrument cluster Junction block (behind left side of dash) L50 Left front wheel speed sensor (at left front wheel opening) Left rear wheel speed sensor (on left rear wheelwell) Lf wheel spd sens 12v Lf wheel spd sens sig Lr wheel spd sens 12v Lr wheel spd sens sig Pci bus Power distribution center (at right front corner of engine compt, next to battery) Primary brake sw sig Red Red brake warning indicator switch (in master cylinder reservoir) Rf wheel spd sens 12v Rf wheel spd sens sig Right front wheel speed sensor (on right front wheelwell) Right rear wheel speed sensor (on right rear wheelwell) Rr wheel spd sens 12v Rr wheel spd sens sig S130 S226 (in dash trough, left of center) S312 S313 (near breakout for c302) S324 (in breakout for c200) Switch Twisted pair Vehicle spd sens sig Vehicle speed sens sig Z101 Z102 Z231
ANTI-THEFT Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 73 (in breakout for rear wiper motor) s379 (in trough, near breakout for left courtesy lamp) s210 Ajar sw Automatic headlamp light sensor/vtss led (at top left side of dash) Body control module (on left end of dash, attached to junction block) Computer data lines system Cyl lck sw D25 Data link connector (under left side of dash, near steering column) Door ajar sw Driver cylinder lock switch (at rear of driver door) Driver door lock motor/ ajar switch (at rear of driver door) Driver door module (behind left front door panel) Fuse 10a Fuse 15a Fused b(+) Fused ign G108 (near power distribution center) G200 (near air bag control module) G300 (near right front seat) G301 (under driver seat) G69 G73 G74 G75 G76 G77 G78 G80 Ground Horn 1 (at right front of engine compt) Horn 2 (at right front of engine compt) Horn relay (in pdc) Horn rly ctrl Horns system Hot at all times Hot in acc or run Hot in run or start Junction block (behind left side of dash) L109 L110 Left liftgate ajar switch (at left side of liftgate) Left rear door lock motor/ajar switch (at rear of left rear door) Lf ajar sw Liftgate ajar Liftgate ajar sw Liftgate flip-up ajar switch (at center of liftgate) Passenger door lock motor/ ajar switch (at rear of passenger door) Passenger door module (behind right front door panel) Pci bus Pnk Power distribution center (right front corner of engine compartment, next to battery) Red Right liftgate ajar switch (at right side of liftgate) Right rear door lock motor/ajar switch (at rear of right rear door) S132 S211 S226 (in dash trough, left of center) S312 (near breakout for c200) S324 (in breakout for c200) S336 S338 S356 S357 S376 S378 (near breakout for liftgate lock motor) Sentry key immoblizer module (near ignition lock cylinder housing) Tan/red Ultralight sen re Ultralight sen sig Vtss ind driver Vtss led Z132
BODY CONTROL MODULES
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Computer Data Lines Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 41 (in trough, near breakout for left courtesy lamp) s210 Adjustable pedals module (except base) Air bag control module (below center floor console, near park brake) Automatic zone control module Body control module (on left end of dash, attached to junction block) Compact disc changer (premium) Controller anti-lock brake (on left side of engine compt, mounted to hydraulic control unit) D19 D20 D21 D25 D32 Data link connector (under left side of dash, near steering column) Driver door module (behind left front door panel) Flash enable Fuse 10a G103 (at right side of engine) Hot at all times Instrument cluster Junction block (behind left side of dash) Passenger door module (behind right front door panel) Pci bus Pnk Pnk/red Power amplifier (premium) (under passenger side rear seat cushion) Powertrain control module (on right side of firewall) Radio Rain sensor (w/ autowipe) (at front center overhead) S125 (4.7l) (near breakout for powertrain control module) S130 (4.7l) (in breakout for coolant level senseor) S223 (near breakout for adjustable pedal switch) S226 (in dash trough, left of center) S312 (near breakout for c200) S324 (in breakout for c200) S335 (except base) Sci receive Sci transmit Seat module (except base) Sentry key immobilizer module (near ignition lock cylinder housing) Transmission control module (4.7l) (on right inner fender) Vehicle information center
COOLING FAN Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 36 C24 C27 Engine coolant Engine coolant temperature sensor (4.0l: at top front of engine, on thermostat housing) (4.7l: near front of intake manifold) F142 Fan relay Fuse 15a Fuse 20 10a Fuse 40a Fused rly out G108 (near power distribution center) Gnd Ground High speed High speed radiator fan relay (4.0l) (in power distribution center) Hot at all times Hot in run Hot w/automatic shut down relay energized Hydraulic cooling module (4.7l) (at right front of engine compt) Junction block (behind left side of dash) K173 Low speed Low speed radiator fan relay (4.0l) (in power distribution center) Power distribution center (at right front corner of engine compt, next to battery) Powertrain control module (on right side of firewall) Radiator fan motor (behind radiator) Radiator fan relay control Radiator fan relay control c2 Radiator fan rly ctrl Radiator high speed Radiator low speed S180 S181 Sensor ground Temp sensor signal Z500
CRUISE CONTROL Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 51 (in breakout for c200) (near breakout for brake light switch) (near breakout for cruise control switch 1) Brake sw Brake switch signal Cancel Clockspring (at top of steering column) Coast Computer data lines system Cruise control lamp control Cruise indicator D25 Dump Electronic speed control servo (at right front of engine compt) Exterior lights system Fuse 10a Fuse 15a Fused ign G108 (near power distribution center) G300 (near right front seat) Hot at all times Hot in run or start Instrument cluster Junction block (behind left side of dash) K29 On/off Pci bus Powertrain control module (on right side of firewall) Resume/ accel S132 S214 S314 S315 S324 S358 (except base) Sensor gnd Set Shifter assembly Speed control switch 1 Speed control switch 2 Speed sw sig Stoplight switch (top of brake pedal arm) Tan/red V32 V35 V36 V37 Vacuum Vacuum sol Vent Vent sol
DEFOGGERS Defoggers Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Defoggers Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 39 (near rear window defogger ground connector) 12v 87a Auto a/c Automatic zone control module Body control module C117 C118 D25 Defog relay output Defog sw sense Defog sw sns Defogger relay ctrl Defogger sw sense Driver door module (behind left front door panel) Driver power mirror Fuse 10a Fuse 40a G301 (under driver seat) Ground Hot at all times Junction block (behind left side of dash) Manual a/c Manual temperature control Mirror heater Passenger door module (behind right front door panel) Passenger power mirror Pci bus Power distribution center (at right front corner of engine compt, next to battery) Rear window defogger Rear window defogger relay Red/ tan Red/tan S210 (in trough, near breakout for left courtesy lamp) S226 (in dash trough, left of center) S312 (near breakout for c200) S324 (in breakout for c200) S374 S375
ENGINE PERFORMANCE
4.0L 4.0L, Engine Performance Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2004: 39 (in trough near breakout for power distribution center) (near breakout for brake light switch) (near breakout for c103 & c104) (near breakout for crankshaft position sensor) s105 (near breakout for fuel inj 6) (near breakout for g104) s123 (on throttle body) idle air control motor (under driver's seat) g301 A/c system Automatic shut down relay Camshaft position sensor (right rear of engine) Capacitor (right rear of engine) Cooling fans system Crankshaft position sensor (at left rear side of eng block, on transmission bellhousing) Cruise control system Engine coolant temperature sensor (at top front of eng, on thermostat housing) Fuel pump module (top of fuel tank) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 30a Hot at all times Hot in run or start Intake air temperature sensor (in intake manifold plenum, near front of throttle body) Junction block (behind left side of dash) Manifold absolute pressure sensor (on side of throttle body) Nca No 1 drv No 2 drv No 3 drv No 4 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 Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2004: 83 (in breakout for oxygen sensors) (near breakout for oxygen sensor 1/1) (near breakout for oxygen sensors) (on left fender side shield, forward of evap canister) (right rear of engine) g104 (under left side of dash, near steering column) 1/1 2/1 o2 rly 1/1 o2 rly 2/1 o2 sens A/c system Asd relay ctrl Asd rly out Bat tem sens sig Battery temperature sensor (below battery tray) Brake sw sig C13 C24 C27 Check engine ind Comp cl ctrl Cooling fans system Cruise control system D21 D25 D32 Data link connector Diagnostic junction port Evap emis Evap/purge solenoid F42 Fuel lev sensor Fuel pmp rly Fuse 10a Gen source High spd rly Hot in run or start Instrument cluster Junction block (behind left side of dash) K106 K107 K125 K226 K25 K29 K299 K31 K51 K512 K52 K99 Leak det pmp Leak det pump Leak detection pump (in left rear quarterpanel) Low spd rly Nca Od off sw Oxygen sensor 1/1 (upstream) (before front catalytic converter) Oxygen sensor 1/2 (downstream) (after front catalytic converter) Oxygen sensor 2/1 (upstream) (left of transmission) Oxygen sensor 2/2 (downstream) (after rear catalytic converter) Oxygen sensor downstream relay 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 S110 S111 S130 (in breakout for coolant level sensor) Sci receive Sci transmit Shift interlock system Shifter assembly Spd ctrl pow Spd ctrl sw Tan/red V32 V35 V36 V37 Vac sol ctrl Vent sol ctrl
4.7L 4.7L, Engine Performance Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2004: 40 (in breakout for crank- shaft position sensor) s119 (in intake manifold plenum, near left side of throttle body) (in trough near breakout for pdc) (near breakout for brake light switch) s315 (near breakout for crankshaft position sensor) s120 (near breakout for fuel inj 7) s107 (near breakout for input speed sensor) (near breakout for transmission control module) (on throttle body) idle air control motor (under driver's seat) g301 Automatic shut down relay Camshaft position sensor (on front top of right cylinder head) Cooling fans system Crankshaft position sensor (on right side of eng block, above starter motor) Cruise control system Engine coolant temperature sensor (near front of intake manifold) Fuel pump module (top of fuel tank) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 30a Hot at all times Hot in run or start Intake air temperature sensor Junction block (behind left side of dash) Manifold absolute position sensor (front of intake manifold) No 1 drv No 2 drv No 3 drv No 4 drv Power distribution center (at right front corner of eng compt, next to battery) S105 S116 S122 S128 Starting system Throttle position sensor (on throttle body) Transmission control system Transmission solenoid/trs assembly (on transmission valve body) 4.7L, Engine Performance Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2004: 96 (in breakout for c102) (in breakout for oxygen sensor 1/1) (left side of engine) g104 (near breakout for c102) (near breakout for coil on plug 8) s112 1/1 2/1 o2 rly 1/1 o2 ctrl 2/1 o2 ctrl A/c system Asd relay ctrl Asd rly out Bat tem sens sig Battery temperature sensor (below battery tray) Brake sw sig C13 Check engine ind Ckp sens sig Comp cl ctrl Cruise control system D21 D25 D32 Data link connector (under left Diagnostic junction port Evap emis Evap/purge solenoid (on left fender side shield, forward of evap canister) F42 Fuel lev sensor Fuel pmp rly Fuse 10a Gen source Hot in run or start Instrument cluster Junction block (behind left side of dash) K106 K107 K125 K142 K22 K226 K24 K25 K29 K299 K31 K42 K51 K512 K52 K99 Knock sens Knock sens 2 Knock sensor (high output) (right rear of eng, near coil on plug 8) Leak det pmp Leak det pump Leak detection pump (in left rear quarterpanel) Nca Oxygen sensor 1/1 (upstream) (before left catalytic converter) Oxygen sensor 1/2 (downstream) (after left catalytic converter) Oxygen sensor 2/1 (upstream) (before right catalytic converter) Oxygen sensor 2/2 (downstream) (after right catalytic converter) Oxygen sensor downstream relay 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 S111 S125 (near breakout for pcm) S126 S130 (in breakout for coolant level sensor) S131 (in trough near breakout for pdc) S160 S316 Sci receive Sci transmit Sensor ground Shift interlock system Side of dash, near steering column) Spd ctrl pow Spd ctrl sw T10 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 W/ high output W/o high output
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Back-up Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 21 (between breakout for c310 & left rear lamp assembly) s310 4.0l 4.7l Adjustable pedals module Automatic day/night mirror Back- up lamp Back-up lamp feed Fuse 20 10a G300 (near right front seat) G301 (under driver seat) Hot in run Junction block (behind left side of dash) Left rear lamp assembly Park/neutral position switch (on lower left side of transmission) Right rear lamp assembly S181 (4.0l) S307 S328 (in sill trough, near breakout for c106) S332 Trailer tow connector (at center of rear bumper) Transmission solenoid/trs assembly (on transmission valve body) Exterior Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Exterior Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 70 (at left side of engine compt) g106 (between breakout for c310 & left rear lamp assembly) s309 (in headlight assembly) s154 (in headlight assembly) s155 (in headlight assembly) s156 (near breakout for c106) s326 (near breakout for license lamp 1) s380 (under driver seat) g301 87a B(+) Body control module Brake lamp switch Center high mounted stop lamp Combination flasher Controller anti-lock brake (on left side engine compt, mounted to hydraulic control unit) Fuse 10a Fuse 15a Fused Fused ignition switch output G108 (near power distribution center) G200 (near air bag control module) G300 (near right front seat) G301 (under driver seat) Hazard Hazard switch sense Headlight assembly) s153 Hot at all times Hot in run Instrument cluster Junction block (behind left side of dash) Left front park lamp Left front park/ turn signal lamp Left front side marker lamp Left multi- function switch Left rear lamp assembly Left turn Left turn indi- cator Left turn signal Left turn switch sense License lamp 1 License lamp 2 Park lamp relay Park lamp relay control Park lamp relay output Primary brake switch signal Right front park lamp Right front park/ turn signal lamp Right front side marker lamp Right rear lamp assembly Right turn Right turn indi- cator Right turn signal Right turn switch sense S151 S152 S203 S205 S306 (near breakout for c310) S307 S311 (near breakout for left rear lamp assembly) S313 (near breakout for c302) S327 (near breakout for c307) S332 S375 S381 Tail/ stop lamp Tan Tan/ Trailer tow circuit Turn signal lamp Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 36 (in (near breakout for c302) s313 (not used) 15a 87a Back-up lamps circuit Body control module Brake lamp switch Breakout for c310) s372 Cigar lighter relay Combination flasher Controller anti-lock brake (on left side engine compt, mounted to hydraulic control unit) Exterior lamps circuit Fuse 15a Fuse 30a G200 (near air bag control module) G301 (under driver seat) Hot at all times Junction block (behind left side of dash) Left turn signal Park lamp relay Park lamp relay control Primary brake switch signal Red/tan Right turn signal S205 S306 (near breakout for c310) S307 S309 (between breakout for c310 & left rear lamp assembly) S311 (near breakout for left rear lamp assembly) S327 (near breakout for c307) S371 (in trailer tow harness jumper) Trailer tow circuit breaker (at left rear quarterpanel) Trailer tow connector (at center of rear bumper) Trailer tow left turn relay (at left rear quarterpanel) Trailer tow right turn relay (at left rear quarterpanel)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 2004 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 2004: 49 (4.0l) radiator fan motor (4.7l) (4.7l) hydraulic cooling module (4.7l) transmission control relay (at right front corner of engine compartment, next to battery) A/c compressor clutch Battery Controller anti-lock brake Coolant level sensor Data link connector Electronic speed control servo Front washer pump Front wiper motor G100 (4.0l: near starter) (4.7l: near intake plenum) G101 (near battery) G102 (at right side of engine) G103 (at right side of engine) G104 (4.0l: at right rear of engine) (4.7l: at left side of engine) G106 (at left side of engine compartment) G107 (at left side of engine compartment) G108 (near power distribution center) Horn Left fog lamp Left front park lamp Left front park/turn signal lamp Left high beam headlamp Left low beam headlamp Left side repeater lamp Line pressure sensor Nca Oxygen sensor 1/2 (downstream) Oxygen sensor 2/2 (downstream) Power distribution center Powertrain control module Rear washer pump Right fog lamp Right front park lamp Right front park/turn signal lamp Right high beam headlamp Right low beam headlamp S104 S114 (near breakout for transmission control module) S132 (near breakout for g108) S133 (near breakout for battery temperature sensor) S134 (near breakout for left front impact sensor) S151 (in headlight assembly) S152 (in headlight assembly) Transmission control module Washer fluid level switch Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 2004 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 2004: 43 (base) (midline/premium) 1 (midline/premium) driver lumbar switch (premium) seat module 12 c2 Adjustable pedals module Automatic day/night Base Center high mounted stop lamp Driver power seat switch Driver rear power window switch Except base Except heated seat Fuel pump module G301 (under driver seat) Heated seat Left liftgate ajar switch Left rear door lock motor/ ajar switch Left rear lamp assembly License lamp 1 License lamp 2 Liftgate flip-up ajar switch Liftgate flip-up release solenoid Mirror Rain sensor Rear window defogger Rear wiper motor Right liftgate ajar switch S300 (near breakout for g304) S307 (near breakout for c310) S345 (near breakout for c309) S355 (near breakout for c304 & c306) S356 (in breakout for left rear door lock motor/ajar switch) S375 (near rear window defogger ground connector) S376 (near breakout for liftgate flip-up ajar switch) S381 (in breakout for c312) Sun roof control module Sun roof motor Sun roof switch Trailer tow connector Vehicle vehicle information center center W/ sun roof W/o sun roof Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 2004 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 2004: 29 (except base) (base) Adjustable pedals module Air bag control module Base Brake lamp switch Driver cylinder lock switch Driver door lock motor/ ajar switch Driver door module Except base G201 (near air bag control module) G300 (near right front seat) Motor) Motor/ajar switch) Passenger door lock motor/ ajar switch Passenger door module Passenger lumbar switch Passenger power seat switch Passenger rear power window switch Power amplifier Radio Rear power outlet Right rear door lock motor/ ajar switch Right rear lamp assembly S224 (at right center of dash) S329 (in sill trough, near breakout for c106) S330 (near breakout for g300) S331 (in sill trough, near breakout for c303) S332 (in sill trough, near breakout for c303) S341 (near breakout for c306) Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 2004 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 2004: 26 (behind left side of dash) junction block (mtc) temperature valve actuator (premium 1/3) driver heated seat switch (premium 1/3) passenger heated seat switch 14 c1 2 c1 87a Automatic zone control module Blower motor controller Body control module Cigar lighter Cigar lighter relay Front power outlet G200 (near air bag control module) Ignition switch Instrument cluster Left multi- function switch Low beam/ daytime running lamp relay (drl) Manual temperature control Park lamp relay S201 (azc) (in trough, near breakout for passenger heated seat switch) S203 (in trough, near breakout for cigar lighter) S205 (near breakout for adjustable pedal switch) S211 (in trough, near breakout for left courtesy lamp) Sentry key immobilizer module Shifter assembly
HEADLIGHTS Headlights Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 2004 List of elements for Headlights Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 2004: 56 (at left side of engine compartment) g106 (in headlight assembly) s151 (in headlight assembly) s152 (near air bag control module) g200 (near power distribution center) g108 87a Auto Automatic headlamp light sensor/vtss lead (at top left side of dash) Body control module (on left end of dash, attached to junction block) D25 Flash Fog Fog lamp indicator Fog lamp relay Fog lamp relay control Fog lamp sw sense Fuse 10a Fuse 15a Fuse 50a G52 Head Headlamp sw mux Headlamp sw return High High beam indicator High beam relay High beam relay control High beam sw sense Hot at all times Instrument cluster Junction block (behind left side of dash) L109 L110 L27 L40 L80 Left fog lamp Left high beam headlamp Left low beam headlamp Left multi-function switch Low beam relay control Low beam/daytime running lamp relay Off Park Pci bus Power distribution center (at right front corner of engine compartment, next to battery) Red Right fog lamp Right high beam headlamp Right low beam headlamp S133 S134 S205 S210 (in trough, near breakout for left courtesy lamp) Sensor return Sensor signal Headlights Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 2004 List of elements for Headlights Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 2004: 55 (at left side of engine compartment) g106 (in headlight assembly) s151 (in headlight assembly) s152 (near air bag control module) g200 (near power distribution center) g108 Auto Automatic headlamp light sensor/vtss lead (at top left side of dash) Body control module (on left end of dash, attached to junction block) D25 Flash Fog Fog lamp indicator Fog lamp relay Fog lamp relay control Fog lamp sw sense Fuse 10a Fuse 15a Fuse 50a G52 Head Headlamp sw mux Headlamp sw return High High beam indicator High beam relay High beam relay control High beam sw sense Hot at all times Instrument cluster Junction block (behind left side of dash) L109 L110 L27 L40 L80 Left fog lamp Left high beam headlamp Left low beam headlamp Left multi-function switch Low beam relay (except drl) Low beam relay control Off Park Pci bus Power distribution center (at right front corner of engine compt, next to battery) Red Right fog lamp Right high beam headlamp Right low beam headlamp S133 S134 S205 S210 (in trough, near breakout for left courtesy lamp) Sensor return Sensor signal
HORN Horn Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Horn Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 14 Body control module Clockspring (at top of steering column) Fuse 18 15a G108 (near pdc) Horn 1 (at right front of engine compartment) Horn 2 (at right front of engine compartment) Horn relay (in pdc) Horn relay ctrl Horn switch Hot at all times Junction block (behind left side of dash) Power distribution center (at right front corner of engine compt, next to battery) Red S132
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 86 (4.7l) (in breakout for coolant level sensor) (near breakout for adjustable pedal switch) s223 Abs warning ind Air bag control module (below center floor console, near park brake) Air bag warning ind Automatic zone control module Body control module Brake warn Brake warning ind Check engine ind Check gauges ind Computer data lines system Controller anti-lock brake (on left side of engine compt, mounted to hydraulic control unit) Coolant level sense Coolant level sensor (in coolant reservoir/ overflow tank) Cruise ind D19 D25 Data link connector (under left side of dash, near steering column) Ect Engine controls system Engine coolant temperature gauge Engine coolant temperature sensor (4.0l: at top front of engine, on thermostat housing) (4.7l: near front of intake manifold) Engine oil pressure sw sig Engine oil pressure switch (at lower left side of engine) Exterior lights system F33 Flash enable Fog lamp ind For c200) Fuel gauge Fuel lvl Fuel pump module (on top of fuel tank) Fuse 10a Fused b(+) Fused ign out G108 (near power distribution center) G18 G200 (near air bag control module) G60 Ground High beam ind Hot at all times Hot in run or start Illumination (5 bulbs) Illumination lamps feed Instrument cluster Junction block (behind left side of dash) K226 L60 L61 Left turn ind Low coolant level ind Low fuel warning ind Oil pressure gauge Overdrive ind Park brake switch (at base of park brake assembly) Part time 4wd ind Pci bus Pnk/red Powertrain control module (on right side of firewall) Radio Rear fog lamp ind Right turn ind S107 (4.0l:near breakout for fuel injector 6) (4.7l:near breakout for fuel injector 7) S130 S132 S203 S210 (in trough, near breakout for left courtesy lamp) S211 S226 S324 (in breakout for c200) Seat belt warning ind Sens gnd Sentry key immobilizer ind Sentry key immobilizer module (near ignition lock cylinder housing) Speedometer Tachometer Tan Transmission control module (4.7l) (on right inner fender) Transmission temperature ind Voltmeter Water in fuel ind Z132 Z300 Vehicle Information System Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Vehicle Information System Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 21 Computer data lines system D25 Except premium power seats F70 Fuse 10a Fuse 15a Fused b+ Fused ign G301 (under driver seat) Ground Hot at all times Hot in run or start Junction block (behind left side of dash) Pci bus Pnk Premium power seats S301 S346 S349 Vehicle information center Z155
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Courtesy Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 75 (near breakout for liftgate lock motor) s378 A146 Ajar sns Ajar sw sns Body control module Breakout for radio connectors) Cargo lamp Courtesy lamp driver Courtesy lamp load shed Ctsy lamp driver Ctsy lamp load shed Driver door lock motor/ ajar switch (at rear of driver door) Driver door module (behind left front door panel) Driver front door courtesy lamp Fuse 10a Fuse 15a Fuse 50a Fused b(+) Fused ign (run-acc) Fused ign (run-start) G200 (near air bag control module) G300 (near right front seat) G301 (under driver seat) G74 G75 Glove box lamp Gnd Ground Hot at all times Hot in run or acc Hot in run or start Junction block (behind left side of dash) L121 Lamp drv Lamp gnd Left courtesy lamp Left door handle courtesy lamp Left liftgate ajar switch (at left side of liftgate) Left rear door lock motor/ ajar switch (at rear of left rear door) Left visor/ vanity lamp Liftgate courtesy disable Liftgate flip-up ajar switch (at center of liftgate) M21 Overhead map/ courtesy lamp Passenger door lock motor/ ajar switch (at rear of passenger door) Passenger door module (behind right front door panel) Passenger front door courtesy lamp Pnk Pnk pnk Power distribution center (at right front corner of engine compt, next to battery) Right courtesy lamp Right door handle courtesy lamp Right liftgate ajar switch (at right side of liftgate) Right rear door lock motor/ ajar switch (at rear of right rear door) Right visor/ vanity lamp S205 S207 S211 S330 S336 S338 (near breakout for passenger power window motor) S346 S347 (near breakout for left visor/vanity lamp) S356 S357 S376 S379 (in breakout for rear wiper motor) Tan/ g76 Tan/ g77 Tan/ g78 Tan/ red Tan/red Window motor) Wiper/ washer system Z28 Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 31 (in trough, between breakout for driver & passenger heated seat switch) s202 Automatic zone control module Azc Body control module Dimmer sig Dome on day brightness dimmer dome inhibit Driver heated seat switch Fuse 10a Fused b(+) Fused ign (run-acc) Fused ign (run-start) G200 (near air bag control module) Gnd Hdlmp sw rtn 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 Panel lamps driver Passenger heated seat switch Pnl lmps drv Radio Red Red e19 S203 S205 S211 Shifter assembly
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 49 A146 Body control module (on left end of dash, attached to junction block) D25 Data Driver door module (behind left front door panel) Driver power mirror Fuse 50a Fused b(+) G300 (near right front seat) Ground Horizontal motor Horizontal position sensor Hot at all times Junction block (behind left side of dash) Link connector (dlc) (under left side of dash, near steering column) Memory 1 Memory 2 Memory set Memory set ind driver Memory set switch Memory switch mux Memory switch rtn Mirror common driver Mirror horiz driver Mirror horiz pos sig Mirror sensor gnd Mirror vert driver Mirror vert pos sig P64 P65 P69 P91 P93 P95 Passenger door module (behind right front door panel) Passenger power mirror Pci bus Power distribution center (at right front corner of engine compartment, next to battery) Red S210 (in trough, near breakout for left courtesy lamp) S226 (in dash trough, left of center) S312 (near breakout for c200) S324 (in breakout for c200) S336 S338 Sw illum driver Vertical motor Vertical position sensor Z28
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 2004: 68 (at right front corner of engine compartment, next to battery) power distribution center (behind left side of dash) junction block (in breakout for power distribution center) s180 (near breakout for red 4.7l A/c compressor clutch relay Accessory delay relay Auto shutdown relay Automatic a/c Base Base except heated seats Battery Blower motor Blower motor controller Brake lamp switch Circuit breaker 2 20a Combination flasher Controller anti-lock brake Data link connector Driver lumbar switch (except base) Driver lumbar switch) s353 Driver power seat switch Engine starter motor Engine starter motor relay Except base 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 40a (4.0l) Fuse 50a G300 (near right front seat) Generator Heated seats/ midline/premium High beam relay High speed radiator fan relay Horn relay Instrument cluster Low beam relay (w/o drl) Low beam/ daytime running lamp relay (w/ drl) Low speed radiator fan relay Manual a/c Nca Park lamp relay Passenger lumbar switch Passenger power seat switch Pnk/ red Power distribution center (at right front corner of engine compartment, next to battery) Power distribution center (at right front corner of engine compt, next to battery) Power- train control module Rear power outlet Red Red/ tan S127 (in trough, near breakout for power distribution center) S332 S342 Seat module To cigar lighter relay (j/b) (diagram 2 of 3) To fuse 18 (j/b) (diagram 3 of 3) To fuse 2 (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 Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2004: 68 (4.7l) (behind left side of dash) junction block (diagram 1 of 3) (in sill trough, near breakout for c307) s304 (near air bag control module) g200 (near breakout for c314) s316 (near breakout for transmission control module) s116 4.7l A/c compressor clutch relay Acc Air bag control module Auto shutdown relay Automatic day/night mirror Body control module Cargo lamp Cigar lighter Cigar lighter relay Circuit breaker 1 20a Evap/purge solenoid From fuse 14 (pdc) From fuse 15 (pdc) (diagram 1 of 3) From fuse 2 (pdc) (diagram 1 of 3) From fuse 8 (pdc) (diagram 1 of 3) Front wiper motor Fuel pump relay Fuse 10a Fuse 15a G200 (near air bag control module) Glove box lamp Ignition switch Instrument cluster Junction block (behind left side of dash) Left courtesy lamp Left door handle courtesy lamp Left visor/ vanity lamp Liftgate flip-up push button switch Lock Overhead map/ courtesy lamp Pnk Pnk/ (in trough, near breakout for radio connectors) s207 Power distribution center (at right front corner of engine compartment, next to battery) Powertrain control module Radio Rear window defogger relay Rear wiper motor Rear wiper motor) Red Red/ tan Right courtesy lamp Right door handle courtesy lamp Right multi- function switch Right visor/ vanity lamp Run off S203 S205 S346 (near breakout for pnk left visor vanity lamp) S377 (near breakout for pnk Sentry key immobilizer module Shifter assembly 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 Vehicle information center Wiper high/low relay Wiper on/off relay Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2004 List of elements for Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2004: 48 (at right center of dash) s221 (behind left side of dash) junction block (in breakout for power amplifier) s334 (near air bag control module) g200 (not used) (premium 1 & 3) 4.0l 4.7l Adjustable pedals module Air bag control module Automatic a/c Automatic headlamp light sensor/ vtss led Automatic zone control module Body control module Breakout for adjustable pedals switch) s204 Combination flasher Controller anti-lock brake Driver door module Driver heated seat switch Engine starter motor relay 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 20a Fuse 25a Fuse 30a High speed radiator fan relay Junction block (behind left side of dash) Low speed radiator fan relay Manual a/c Manual temperature control Park/ neutral position switch Passenger door module Passenger heated seat switch Pnk Power amplifier Power distribution center (at right front corner of engine compartment, next to battery) Radio S181 S203 Sentry key immobilizer module Temperature valve actuator Trailer tow left turn relay Trailer tow right turn relay Transmission control module (4.7l) Transmission solenoid/ trs assembly
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Power Door Locks Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 80 (between troughs, near breakout for c314) (in breakout for passenger door module) (in sill trough, near breakout for c307) (in trough near breakout for left courtesy lamp) s210 (near breakout for c200) (near breakout for passenger power window motor) (near ignition lock cylinder housing) A146 Body control module Computer data lines system D25 Door lock Door unlock driver Dr unlock Driver cylinder lock switch (at rear of driver door) Driver door lock Driver door lock motor/ ajar switch (at rear of driver door) Driver door module (behind left front door panel) Flip-up ajar Fuse 15a Fuse 50a Fused b+ G300 (near right front seat) G301 (under driver seat) G73 G74 G75 G76 G77 G78 G80 Ground Hot at all times Junction block (behind left side of dash) Left liftgate ajar switch (at left side of liftgate) Left rear door lock motor/ ajar switch (at rear of left rear door) Lf door ajar sw Lf key cyl sw sense Liftgate ajar Liftgate flip-up ajar switch (at center of liftgate) Liftgate flip-up push button switch Liftgate flip-up release solenoid (in liftgate) Liftgate power lock motor (at lower right side of liftgate) Limit switch Lr door ajar P34 P35 P36 Passenger door module (behind right front door panel) Passenger front door lock motor/ ajar switch (at rear of passenger door) Pci bus Pnk Power distribution center (at right front corner of engine compartment, next to battery) Rear wiper motor (on liftgate inner panel) Rf ajar sw Right liftgate ajar switch (at right side of liftgate) Right rear door lock motor/ ajar switch (at rear of right rear door) Rr door ajar S226 (in dash trough, left of center) S302 S303 S312 S317 S318 S324 (in breakout for c200) S336 S338 S338 s338 S339 S340 S356 S357 S376 S377 S378 (near breakout for liftgate lock motor) S379 (in breakout for rear wiper motor) Sentry key immobilizer module Tan/ red Tan/red Z28
POWER MIRRORS Power Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Power Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 61 (in dash trough, left of center) s226 (on lower left side of transmission) park/ neutral position switch (on transmission valve body) transmission solenoid/trs assembly (under left side of dash, near steering column) data link connector (dlc) 4.0l 4.7l A146 Auto day/ night mirror b(+) Auto day/ night mirror b(-) Automatic day/night mirror Backup lamp feed Body control module (on left end of dash, attached to junction block) D25 Defogger system Driver door module (behind left front door panel) Driver power mirror Exterior lights system For 106) Front seat) Fuse 22 10a Fuse 50a Fused b(+) Fused ignition (run-start) G300 (near right G300 (near right front seat) G301 (under driver seat) Gnd Ground Horiz motor Horiz position sensor Hot at all times Hot in run or start Junction block (behind left side of dash) Mirror common drv Mirror heater Mirror horiz drv Mirror horiz pos sig Mirror sensor gnd Mirror vert drv Mirror vert pos sig P64 P65 P69 P91 P93 P95 Passenger door module (behind right front door panel) Passenger power mirror Pci bus Power distribution center (at right front corner of engine compartment, next to battery) Red S310 (between breakout for c310 & left rear lamp assembly) S312 (near breakout for c200) S324 (in breakout for c200) S336 S338 S345 (w/ sunroof) S349 Vert motor Vert position sensor Z28
POWER SEATS Adjustable Pedal Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Adjustable Pedal Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 43 (near right front seat) g300 Adjustable pedal switch (under left side of dash) Adjustable pedals module Adjustable pedals motor/sensor assembly (above driver control pedals) Backup lamp Data link connector (under left side of dash, near steering column) Exterior lights system d25 F72 Fuse 20a Fused b(+) Fwd G301 (under driver seat) Ground Hot at all times Junction block (behind left side of dash) Motor (fwd) Motor (rwd) Motor(fwd) Motor(rwd) Off Pci bus Pedal pos sens feed Pedal pos sens rtn Pedal pos sens sns Pos sens rtn Pos sens sns Pos sns feed Q110 Q111 Q112 Q113 Q114 Rwd S301 S332 Sw sns(fwd) Sw sns(rwd) Switch feed Y151 Y152 Y153 Z151 Z155 Driver Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Driver Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 23 (except base) 1) rear up 2) rear down 3) forward 4) rearward 5) front up 6) front down 7) recliner up 8) recliner down A (base) Base Circuit breaker 2 20a Driver power seat front riser motor (at driver seat) Driver power seat horizontal motor (at driver seat) Driver power seat rear riser motor (at driver seat) Driver power seat switch Except base G301 (under driver seat) Hot at all times Junction block (behind left side of dash) Red S353 (w/ heated seats) S355 (w/ heated seats) Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 40 (in trough, between breakout for driver & passenger heated seat switch) s202 (on left end of dash, attached to junction block) 0) off 1) low 2) high Body control module Computer data lines system D25 Driver heated seat back Driver heated seat cushion Driver heated seat switch Driver seat heater b (+) driver Driver seat heater sw mux Driver seat temperature sensor input For seat belt switch) Fuse 20 10a G200 (near air bag control module) Ground Hot in run Junction block (behind left side of dash) Memory systems P131 P132 P134 P135 P29 Panel lamps driver Passenger heated seat back Passenger heated seat cushion Passenger heated seat switch Passenger seat heater b (+) driver Passenger seat heater switch mux Passenger seat temperature sensor input Pci bus Pi33 S200 (in trough, near breakout for passenger heated seat switch) S203 S204 Seat heater sw sns gnd Seat module Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 14 Circuit breaker 2 20a Driver lumbar motor (under driver seat) Driver lumbar switch G300 (near right front seat) G301 (under driver seat) Hot at all times Junction block (behind left side of dash) Passenger lumbar motor (under passenger seat) Passenger lumbar switch Red S341 S342 S353 S355 Passenger Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Passenger Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 23 (except base) 1) rear up 2) rear down 3) forward 4) rearward 5) front up 6) front down 7) recliner up 8) recliner down A (base) Base Circuit breaker 2 20a Except base G300 (near right front seat) Hot at all times Junction block (behind left side of dash) Passenger power seat front riser motor (at passenger seat) Passenger power seat horizontal motor (at passenger seat) Passenger power seat rear riser motor (at passenger seat) Passenger power seat recliner motor (except base) (at passenger seat) Passenger power seat switch S329 S342 (except base)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Power Top/Sunroof Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 28 Accessory delay relay Accessory delay relay control Body control module Close Delay rly out Fuse 15a G301 (under driver seat) Ground Hot at all times Junction block (behind left side of dash) Motor b(+) Motor b(-) Open Position signal Q30 Q41 Q43 Q46 Red S337 (w/ autowipe) S345 S370 (near breakout for sun roof module) Sun roof control module (near front of sun roof opening) Sun roof motor (at sun roof) Sun roof open Sun roof switch Sun roof vent Tan
POWER WINDOWS Power Windows Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Power Windows Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 45 A146 Computer data lines system D/f wind dn D/f wind up D/r wind dn D/r wind up D25 Driver door module (behind left front door panel) Driver front power window motor (at lower center of driver door) Driver rear power window motor (at lower center of left rear door) Driver rear power window switch E20 E21 Fuse 50a Fused b(+) G300 (near right front seat) G301 (under driver seat) Gnd Hot at all times Illumination Junction block (behind left side of dash) c2 Nca P/f wind dn P/f wind up P/r wind dn P/r wind up Passenger door module (behind right front door panel) Passenger front power window motor (at lower center of passenger door) Passenger rear power window motor (at lower center of right rear door) Passenger rear power window power window switch switch Pci bus Power distribution center (at right front corner of engine compt, next to battery) Q11 Q12 Q13 Q14 Q21 Q22 Q23 Q24 S336 S338 S356 S357 Z28
RADIO Radio Wiring Diagram, Base Radio for Jeep Grand Cherokee Laredo 2004 List of elements for Radio Wiring Diagram, Base Radio for Jeep Grand Cherokee Laredo 2004: 67 Antenna Body control module Clockspring (at top of steering column) Connector (under left side of dash, near steering column) D25 Data link F60 Fuse 10a Fuse 25a Fused b(+) Fused ign G300 (near right front seat) Ground Hot at all times Hot in run or acc Junction block (behind left side of dash) Left front door speaker Left instrument panel speaker Left rear door speaker Left remote radio switch Lf spkr (+) Lf spkr (-) Lr spkr (+) Lr spkr (-) Mode Nca Panel lamps Panel lamps driver Pci bus Preset Radio Radio control mux Radio control mux return Rf spkr (+) Rf spkr (-) Right front door speaker Right instrument panel speaker Right rear door speaker Right remote radio switch Rr spkr (+) Rr spkr (-) S210 (in trough, near breakout for left courtesy lamp) S215 (near breakout for horn switch) S216 (near breakout for remote radio switch 2) S221 S224 S226 (in dash trough, left of center) S360 (in breakout for c302) S361 S362 (in breakout for c200) S363 Seek down Seek up Twisted pair Vol down Vol up X10 X12 X20 X51 X52 X53 X54 X55 X56 X57 X58
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 23 Body control module (on left end of dash, attached to junction block) F12 Fuse 10a Fused ign G200 (near air bag control module) G300 (near right front seat) Gnd Hot in run or start Junction block (behind left side of dash) K29 Od off sw sens Panel lamps driver Panel lamps drv S203 S205 S314 (near breakout for brake light switch) S329 (except base) Sec brake sw sig Shifter assembly Stoplight switch (top of brake pedal arm) Transmissions system Z234 Z300
STARTING/CHARGING Charging Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Charging Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 43 Asd rly ctrl Asd rly out Auto shut down relay (in pdc) 87a B(+) Battery Battery temperature sensor (below battery tray) Check gauges indicator D25 Engine controls system Engine starter motor F42 Fuel pump relay (in pdc) Fuse 10a Fuse 15a Fuse 30a Fuse b(+) Fused b(+) G100 (4.0: near starter) (4.7l: near intake plenum) G101 (near battery) Gen fld Gen source Generator Hot at all times Hot in run or start Instrument cluster Junction block (behind left side of dash) K125 K20 K25 K51 Meter ctrl Nca Pci bus Pnk/ red Power distribution center (at right front corner of engine compt, next to battery) Powertrain control module (on right side of firewall) Red S126 (4.0l: in through, near coolant level sensor) S131 (in trough, near breakout for pdc) S226 (in dash trough, left of center) Sens gnd Sens sig Voltmeter Starting Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Starting Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 32 (not used) 4.0l 4.7l Acc Battery Engine starter motor Engine starter motor relay 87a (in pdc) F45 Fuse 10a Fuse 40a Fused ign sw out G100 (4.0l: near starter) (4.7l: near intake plenum) G101 (near battery) Hold-in Ignition switch Junction block (behind left side of dash) Level sensor) Lock Off Park/ neutral position sw sns Park/ neutral position switch (on lower left side of transmission) Power distribution center (at right front corner of engine compt, next to battery) Powertrain control module (on right side of firewall) Prk/ ntrl sw sns Pull-in Red Run S122 (4.0l: in breakout for c103) (4.7l: near breakout for input speed sensor) S127 Start Transmission control module (on right inner fender) Transmission solenoid/ trs assembly (on transmission valve body)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Supplemental Restraints Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 82 (between left "c" & "d" pillar) driver curtain air bag squib (between right "c" & "d" pillar) passenger curtain air bag squib (in trough, near breakout for left courtesy lamp) s210 (in trough, near breakout for left courtesy lamp) s211 Air bag control module (orc) (below center floor console, near park brake) Air bag warning indicator Clockspring (at top of steering column) Computer data lines system D25 Dr crtn line 1 Dr crtn line 2 Driver air bag squib 1 (at top of steering column) Driver air bag squib 2 (at top of steering column) Driver seat belt switch (integral to driver seat belt buckle) Driver side impact sensor (under driver seat) Drv belt sw gnd Drv belt sw sns Drv side impt gnd Drv side impt sig Drv squib 1 ln 1 Drv squib 1 ln 2 Drv squib 2 ln 1 Drv squib 2 ln 2 F14 F23 Fuse 22 10a Fuse 32 10a Fuse 33 10a G200 (near air bag control module) G201 (near air bag control module) Gnd Ground Hot in run Hot in run or start Ign run Ign run/start Instrument cluster Junction block (behind left side of dash) Left front impact sensor (at left front of engine compt) Lf sensor gnd Lf sensor sig Line 1 Line 2 Pass crtn line 1 Pass crtn line 2 Pass side impt grd Pass side impt sig Pass squib 1 ln 1 Pass squib 1 ln 2 Pass squib 2 ln 1 Pass squib 2 ln 2 Passenger air bag Passenger side impact sensor (under passenger seat) Pci bus R131 R132 R133 R134 R42 R43 R44 R45 R46 R47 R48 R49 R57 R59 R61 R62 R63 R64 R72 R73 R74 R75 Rf sensor gnd Rf sensor sig Right front impact sensor (near right vertical radiator support) Sw sense Tan Twisted pair
TRANSMISSION
4.0L 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 77 (in trough near coolant level sensor) (near breakout to c102, c103 and c104) (near breakout to fuel injector 6) (near breakout to g104) 3-4 shift ctrl 3-4 shift sol Body control module (on left end of dash, attached to junction block) Brake lamp switch (top of brake pedal arm) Brake switch Engine controls system Engine starter motor relay F12 Fuse 10a Fuse 15a Fuse 30a Fused ign G200 (near airbag control module) G300 (near right front seat) Gen source Generator Gnd Gov press ctrl Gov press sens Gov press sol Hot at all times Hot in run or start Junction block (behind left side of dash) K125 K29 K30 K77 K88 Leak detection pump (left rear quarter panel) Not used Od off sw sens Output speed sensor (at left rear side of transmission) Output ss gnd Output ss sig Panel lamps drv Park/neutral position switch (on lower left side of transmission) Pnk Pnp sw sense Pos sens out Power distribution center (at right front corner of engine compt, next to battery) Powertrain control module (on right side of firewall) Red S102 S107 S112 S122 (in breakout to c103) S126 S203 S205 S314 (near breakout to brake light switch) S329 Sec brake sw sig Sens gnd Shifter assembly T case pos sens T13 T14 T15 T20 T25 T41 T54 T60 Tcc sol Tcc sol ctrl Trans relay out Trans rly ctrl Trans temp sens Transfer case position sensor (on transfer case) Transmission control relay Transmission solenoid assembly (on transmission valve body) Z234 Z300
4.7L 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 2004 List of elements for 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 2004: 67 (in breakout for coolant level sensor) (in breakout for crankshaft position sensor) s119 (near breakout for coil on plug 8) (near breakout for fuel inj 7) (near breakout for pcm) s125 (near breakout to transmission control module) (on left end of dash, attached to junction block) body control module (on left side of engine compt, mounted to hydraulic control unit) controller anti-lock brake (on right side of engine block, above starter motor) crankshaft position sensor (on throttle body) Automatic shut down relay (in pdc) B22 Brake lamp switch (top of brake pedal arm) Brake switch Ckp sens sig D21 D25 Data link connector (under left side of dash, near steering column) Engine controls system F12 F991 Fuel pump relay (in pdc) Fuse 10a Fused ign Fused ign sw G102 (right side of engine) G200 (near airbag control module) G300 (near right front seat) Gnd Hot in run or start Input speed sensor (at left front side of transmission) Junction block (behind left side of dash) K22 K24 K29 Line pressure sensor (on right rear side of transmission) Od off sw sens Output speed sensor (at left rear side of transmission) Panel lamps drv Pci bus Pnk Pnp sw sense Powertrain control module (on right side of firewall) Press sig S105 S112 S113 (near breakout to tcm) S114 S116 S120 (near breakout for crankshaft position sensor) S130 S203 S205 S314 (near breakout to brake light switch) S329 Sci transmit Sec brake sw sig Sensor gnd Shifter assembly T10 T41 Throttle position sensor Torq mgmt req Tp sens sig Vss sig Z234 Z300
TRUNK, TAILGATE, FUEL DOOR Liftglass Release Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Liftglass Release Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 46 (near breakout to tailgate cylinder lock switch) s381 Base Body control module Except base Flip-up glass ajar switch sense Flip-up glass release motor (inside upper center of tailgate) Flip-up glass release motor drv c1 Flip-up glass release sw sns Flip-up glass release switch (inside upper center of tailgate) Fuse 10a Fuse 15a Fuse 20a Fused b(+) G202 (at left kick panel) G303 (at left & right quarterpanel) G71 G78 G80 G910 Ground Hot at all times Hot in run or acc Hot in run or start Ign sw run/acc Ign sw run/start Junction block (left side of dash) P100 P101 P30 P31 S380 S382 (near breakout to license plate light) Signal ground Tailgate ajar sw sns Tailgate cylinder lock switch (inside lower center of tailgate) Tailgate cylinder lock switch mux Tailgate flip-up ajar switch (inside upper center of tailgate) Tailgate lock driver Tailgate lock motor/ ajar switch (inside right side of tailgate) Tailgate sw gnd Tailgate unlock drv Wiper/washer system Z103 Z131 Z231 Z300 Tailgate Release Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Tailgate Release Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 12 (under driver seat) Door locks system Fuse 15a G301 Hot at all times Junction block (behind left side of dash) Liftgate flip-up push button switch Liftgate flip-up release solenoid (in liftgate) Liftgate power lock motor (at lower right side of liftgate) Pnk S376 S377
WARNING SYSTEMS Warning Systems Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Warning Systems Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 77 (at left side of liftgate) (at right side of liftgate) (near breakout for c200) s312 Air bag control module (below center floor console, near park brake) Auto Body control module Computer data lines system D25 Driver door lock motor/ ajar switch (at rear of driver door) Driver door module (behind left front door panel) Driver seat belt switch (integral to driver seat belt buckle) Drv dr ajar sw Fuse 10a Fused b(+) G200 (near air bag control module) G26 G300 (near right front seat) G301 (under driver seat) G52 G74 G75 G76 G77 G78 G80 Ground Head Headlamp switch mux Headlamp switch rtn Hot at all times Hot in run or acc 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 liftgate ajar switch Left multi-function switch Left rear door lock motor/ ajar switch (at rear of left rear door) Liftgate ajar Liftgate flip-up ajar Liftgate flip-up ajar switch (at center of liftgate) Liftgate flip-up ajar switch sense Lr door ajar Off Park Pass dr ajar sw Passenger door lock motor/ ajar switch (at rear of passenger door) Passenger door module (behind right front door panel) Pci bus Pnk/ red Pnk/red R57 R59 Rear wiper motor (on liftgate inner panel) Right liftgate ajar switch Right rear door lock motor/ ajar switch (at rear of right rear door) Rr door ajar S205 S210 (in trough, near breakout for left courtesy lamp) S211 S324 (in breakout for c200) S336 S338 s338 S356 S357 S376 S379 (in breakout for rear wiper motor) Seat belt warning ind Sw sen Tan/ red Tan/red Trough, Z132 Z234
WIPER/WASHER Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 2004 List of elements for Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 2004: 70 (at left side of engine compartment) g106 (in trough, near breakout for left courtesy lamp) s212 (under driver seat) g301 0) off 1) intermittent 1 2) intermittent 2 3) intermittent 3 4) intermittent 4 5) intermittent 5 6) low 7) high 87a Acc rly out Accessory delay relay Accessory delay relay control Autowipe Autowipe/ sunroof Body control module Circuit breaker 1 20a Data link connector (under left side of dash, near steering column) Delay Detec- tion Front washer pump (at right front of engine compt) Front wiper motor (at left rear of engine compt) Fuse 10a Fuse 15a G301 (under driver seat) G80 Ground High Hot at all times Hot in acc or run Junction block (behind left side of dash) Liftgate flip-up ajar sw Liftgate flip-up ajar switch (at center of liftgate) Low Mist switch Off Pci bus Pnk Power distribution center (at right front corner of engine compt, next to battery) Power tops system Rain sensor (autowipe) (at front center overhead) Rear wash switch Rear washer pump (bottom of washer reservoir) Rear wiper motor (on liftgate inner panel) Right multi-function switch S134 S335 S337 S369 S376 S377 S379 (in breakout for rear wiper motor) Solid state Tan Tan/red V10 V11 V14 V16 V48 V52 V55 Wash switch Washer fluid level switch (near bottom of washer reservoir) Washer fluid switch sense Washer pump switch sense Windshield wiper sw mux Windshield wiper sw rtn Wiper high control Wiper high/ low relay Wiper high/low relay ctrl Wiper on/off relay Wiper on/off relay ctrl Wiper park switch sense Wiper switch
