Разделы схем — 30 (всего 54)
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 1999 List of elements for Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 78 (at bottom of steering column) (in breakout for ground g120, right side of engine) s103 (lower dash panel) s201 (near airbag control module) g302 (on passenger side end of heater-a/c housing) blower motor (right headlamp area) g107 (right rear fender area) s129 (right rear of engine) g117 A/c comp rly ctrl A/c compressor clutch A/c compressor clutch relay A/c high pressure cutout switch (on discharge line block fitting, near compressor) A/c low pressure cycle clutch switch (on top of accumulator) A/c press signal A/c switch signal A16 Automatic zone control module Battery Blower motor controller (on heater-a/c housing, inboard of blower motor) Blower motor ctrl Blower mtr ctrl Body control module (on left end of dash, attached to junction block) C100 C102 C103 C13 C15 C18 C23 C24 C32 C33 C35 C56 C94 C95 C96 D25 Defogger relay out Defogger sw sense Defogger system Diagnostic junction port Distribution center) s132 Dr blend door dr Dr blnd door driver Driver blend door motor/actuator (on front of 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 left end of heater-a/c housing) Nca 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 Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 59 (in breakout for ground g120, right side of engine) s103 (lower dash panel) s206 (near airbag control module) g302 (near power distribution center) s132 (right headlamp area) g107 (right rear fender area) s129 (right rear of engine) g117 A/c comp rly ctrl A/c compressor clutch A/c compressor clutch relay A/c high pressure cutout switch (on discharge line block fitting, near compressor) A/c low pressure cycle clutch 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 resistor block (bottom of heater-a/c housing, inboard of blower motor) Body control module (on left end of dash, attached to junction block) C103 C13 C15 C18 C23 C24 C67 Dash panel) s211 Defogger relay output Defogger switch sense Defogger system F22 Fuse 15a Fuse 20 10a Fuse 21 10a Fuse 40a Gnd Ground High blower mtr driver Hot at all times Hot in run Hot in run or start Ignition Junction block (behind left side of dash) Low blower mtr driver M1 blower motor driver M2 blower motor driver Manual temperature control Nca Panel lamps feed 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) Radiator fan relay ctrl Relay ctrl Relay output Tan Temperature valve actuator
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Jeep Grand Cherokee Laredo 1999 List of elements for Anti-lock Brake Wiring Diagrams for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Computer Data Lines for Jeep Grand Cherokee Laredo 1999: 39 (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) Center of dash) Conroller anti-lock brake (left side of engine compt) D19 D20 D21 D25 D32 D33 Data link connector (under left side of dash, near steering column) Diagnostic junction port (at bottom of steering column) Driver door module (in door) F33 Fuse 10a Hot at all times Instrument cluster Junction block (behind left side of dash) Not used 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 (body harn, left "b" pillar) S312 (body harn, left side of dash) S324 (body harn, 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 1999 List of elements for Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 15 (near power distribution center) s132 (right headlamp area) g107 A16 Battery C23 C24 Fuse 40a Gnd Hot at all times 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 1999 List of elements for Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Defogger Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 33 12v Atc Automatic zone control module Body computer module Computer data line system Defog relay input Defog sw sens Defogger relay ctrl Defogger sense sw Diagnostic junction block (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 Pdc 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 (right side of dash) S312 (left side of dash) S324 (right kick panel) S401
ENGINE PERFORMANCE
4.0L 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 1999 List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 1999: 35 (engine harn, right rear of engine compt) (front body harn, left side of dash) (on throttle body) idle air control motor (right rear fender area) (under driver's seat) g300 Automatic shut down relay Camshaft position sensor (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 engine) 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 (side of throttle body) No 2 drv No 3 drv No 4 drv No1 drv Power distribution center (next to battery) S105 (in map sensor break- out) S107 (left side engine harn) S112 S128 S131 (near pdc) S307 S315 Throttle position sensor (on throttle body) 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 1999 List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 1999: 91 (bottom of steering column) diagnostic junction port (in breakout to 2/2 oxygen sensor harness) (in breakout to oxygen sensors) (near breakout to o2 sensors) (on left fender side shield) (right rear of engine) g117 (top of engine, in fuel injector harness) (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 Calif Check engine ind Comp cl ctrl Cruise control system D21 D25 D32 Data link connector Duty cycle evap/purge solenoid Evap emis Ex calif Ex. calif. 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- fornia) O2s heater relay up- stream (cali- fornia) Overdrive switch Oxygen sensor 1/1 upstream (in exhaust downpipe) (federal) (in exhaust manifold front outlet) (california) Oxygen sensor 1/2 downstream (downstream of in line converter) (federal) (outlet of front mini converter) (california) Oxygen sensor 2/1 upstream (california) (in exhaust manifold rear outlet) Oxygen sensor 2/2 downstream (california) (outlet of rear mini converter) Pci bus Pnk Power distribution center (next to battery) Powertrain control module (on right side of firewall) S104 S106 S108 S110 S111 S129 S130 (near pdc) 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 1999 List of elements for 4.7L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 1999: 40 (in break- out to tp sensor) s120 (in breakout to crankshaft position sensor) s119 (left side engine harn) (on throttle body) idle air control motor (right rear fender area) (top of trans- mission) (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 (next to battery) S105 S107 (top of engine in fuel injector harness) S116 S122 S128 S307 S315 (front body harn, left dash) Starting system 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 1999 List of elements for 4.7L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 1999: 97 (bottom of steering column) diagnostic junction port (in breakout to 2/2 oxygen sensor harness) (in breakout to oxygen sensors) (on left fender side shield) (right rear of engine compt) (right rear of engine) g117 (top of engine, in fuel injector harness) 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 Calif 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 Evap emis Ex. 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- fornia) O2s heater relay up- stream (cali- fornia) Oxygen sensor 1/1 upstream (below right exhaust manifold) (federal) (below left exhaust manifold) (california) Oxygen sensor 1/2 downstream (downstream of in-line converter) (federal) (outlet of left mini converter) (california) Oxygen sensor 2/1 upstream (california) (below right exhaust manifold) Oxygen sensor 2/2 downstream (california) (outlet of right mini converter) Pci bus Pnk Power distribution center (next to battery) Powertrain control module (on right side of firewall) S106 S108 S111 S112 S125 (at breakout to pcm conn c3) S129 S130 (near pdc) S131 (near 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 1999 List of elements for Back-up Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 16 4.0l 4.7l Automatic day/night mirror Back- up lamp G300 (under left seat) G301 (under right seat) Left rear lighting module Park/neutral position switch Right rear lighting module S307 S310 near left rear taillamp) S328 (body harness, right cowl area) S332 Trailer tow connector Transmission solenoid/trs assembly W/rear outlet power Exterior Lamps & Trailer connector Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Exterior Lamps & Trailer connector Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 67 (+) 6 87a Body control module Brake lamp ewitch Center high mounted stop lamp Combination flasher Combination flasher switch ground Controller anti-lock brake Fuse 15a Fused Fused ignition switch output G102 (center of left front fender) G107 (behind right headlamp) G202 (at air bag control module) G206 (center of dash, near air bag control module) G300 (under drivers seat) G301 (under drivers seat) G301 (under passengers seat) Hot at all times Hot in on and run Instrument panel Junction block Left front lighting module Left front marker lamp Left front park lamp Left front park/ turn lamp Left rear lighting module Left rear tail/ stop lamp Left rear turn lamp Left turn indi- cator Left turn signal Left turn switch sensor License lamp 1 License lamp 2 Multi-function switch Output Park lamp relay Park lamp relay control Pnk Right front lighting module Right front marker lamp Right front park lamp Right front park/ turn lamp Right rear lighting module Right rear tail/ stop lamp Right rear turn lamp Right turn signal Right turn switch sensor S133 (near battery temperature sensor) S134 (center of left front fender) S203 S205 (right center of dash) S306 S307 (left rear taillamp) S309 (left rear taillamp) S313 (left dash, body harness) s311 (near left rear tail lamp) S326 (right front door jam) S327 (body harness right cowl area) S332 (near right b pillar) S401 S412 (near license plate) Tan To trailer tow brake lamp relay To trailer tow left turn relay To trailer tow right turn relay W/rear power outlet Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 47 (in trailer tow harness) 4.0l 4.7l 87a B/u lamp feed Body control module Brake lamp switch 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 i/p) S306 (near left rear taillamp) S307 S309 (near left rear tail lamp) S310 S311 (near left rear taillamp) S313 (left dash, body harness) S327 (body harness, right cowl area) S328 S406 ( in trailer tow warness) S408 (behind trim panel, left quarter panel) S409 S410 To center high mtd. stop lamp To left rear tail- lamp) To left rear turning lamp To right rear turning lamp Trailer 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/ trs assembly
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 1999 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 1999: 33 (azc) blower motor controller (mtc) temperature valve actuator 1 c1 14 c1 2 c1 25 c1 31 c3 45 c3 87a Ash receiver lamp Automatic zone control module Body control module Cigar lighter Cigar lighter relay Driver heated seat switch Front power outlet G206 (center of dash, below airbag control module) 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 (center of dash) S205 (center of dash, near radio) S211 (upper right side of dash) Sentry key immobilizer module Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 1999 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 1999: 29 Base Brake lamp switch Driver cylinder lock switch Driver door lock/motor ajar switch Driver door module G301 (under passenger seat) Other 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 Power seats Premium Radio Rear power outlet Right rear lighting module 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) W/ rear power outlet W/o rear power outlet Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 1999 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 1999: 44 (4.0l) (4.7l) (california) (in pdc) transmission control relay (in pdc) wiper high/low relay A/c compressor clutch A/c low pressure cycle clutch switch Airbag control module Battery 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 (4.0l) (right rear of engine) G120 (right side of engine) G206 (center of dash) Horn Left fog lamp Left front lighting module Powertrain control module Pressure transducer Radiator fan motor Radiator fan relay Rear washer pump motor Right fog lamp Right front lighting module S103 (in b/o of harness on right side of engine) S114 (right rear of engine) (4.7l) S132 (right front wheel well) S133 (near b/o for battery temperature sensor) S134 (near left center of fender) Transfer case switch Transmission control module 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 Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 1999 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 1999: 46 (midline/premium) driver lumbar switch (premium) seat module 12 c2 19 c1 3 c2 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) Left liftgate ajar switch Left rear lighting module License lamp Liftgate flip-up ajar switch Liftgate flip-up release solenoid Mirror Other Power seats Premium power seats Rear window defogger Rear wiper motor Right liftgate ajar switch S300 (left b pillar) S301 (under left front seat) S307 (near left rear taillamp) S355 (under drivers seat) S356 (bottom of left rear door) S401 (lift- gate harness) 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) Seat belt switch Seat module Sunroof Sunroof control module Sunroof 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 1999 List of elements for Headlight Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 1999: 59 Auto Auto headlamp sw out Automatic headlamp light/sensor vtss led (top of dash) Battery Body control module (on left end of dash, attached to junction block) 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 Ground 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 front headlight module Left high beam headlight Left low beam headlight Left multi-function switch Low Low beam ctrl Low beam out 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 front headlight module 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 1999 List of elements for Headlight Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 1999: 55 Auto Auto headlamp sw out Automatic headlamp light/sensor vtss led (top of dash) Body control module (on left end of dash, attached to junction block) 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 front headlight module 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 front headlight module Right high beam headlight Right low beam headlight S133 S134 S205 Sensor ground Sensor signal
HORN Horn Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Horn Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 15 Body control module Clockspring Fuse 15a G107 (behind right headlamp) Horn no1 (lower right front of engine compt) Horn no2 (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 1999 List of elements for Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 87 (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 Airbag control module (below floor console, near park brake) Airbag warning Body control module Brake warn Brake warning Check engine Check gauges 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 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 airbag control module) G300 (under drivers seat) 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 ind 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 S210 (dash harn, behind left side of dash) S211 S300 S325 Seat belt sense Seat belt switch (in drivers buckle) Seat belt warning Sens gnd Sentry key immobilizer module (near ignition lock cylinder housing) Speedometer T107 Tachometer Tan Transfer case switch (on transfer case) Transmission control module (right front inner fender) Transmission temperature ind Voltmeter Vss Vss sig Overhead Console Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Overhead Console Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Courtesy Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 61 (rear harn, in liftgate) 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) Driver rear door lock motor/ ajar switch 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 liftgate ajar witch Left visor/ vanity lamp Liftgate flip-up ajar witch Overhead map/ courtesy lamp Passenger door courtesy lamp Passenger door lock motor/ ajar switch Passenger rear door lock motor/ ajar switch Passenger seat) Passenger's door module (in passenger's door) Pnk Pnk/ red Power distribution center (next to battery) Right courtesy lamp Right handle courtesy lamp Right liftgate ajar witch Right visor/ vanity lamp S134 S205 S207 S211 S336 S338 S346 S347 (body harn, at head liner) S348 (body harn, at head liner) S356 S357 S402 Shock tower) Tan/ red Tan/red Underhood lamp Upper dash) Wiper/ washer Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 51 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 Nca 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 1999 List of elements for Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 1999: 63 (rear of right front fender) red s127 (under driver red seat) s353 (under passenger seat) s342 A/c com- pressor clutch relay 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 Fog lamp relay From a fuse 15 (diagram 1 of 3) Fuel pump relay Fuse 10a Fuse 15a Fuse 15a (spare) 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 Seat module Stop lamp switch Sunroof 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 1999 List of elements for Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 1999: 65 (bottom of left pnk "b" pillar) s304 (left side of dash) s316 (rear of right front fender) s129 (right rear of engine compt) s116 4.7l only A/c compressor clutch relay Acc Airbag 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 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 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 Off Overhead map/ courtesy lamp 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 1999 List of elements for Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 1999: 43 (right side of dash) s204 (right side of dash) s206 (right side of dash) s209 4.0l 4.7l Airbag 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 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 1999 List of elements for Power Door Lock Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 59 Body control module Computer data lines system D25 Diagnostic junction port (at bottom of steering column) 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 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 Lf lock out Lf unlock out 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 Lock out Lr door ajar Pci bus Pnk Power distribution center 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) 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 S404 (in lifgate) Tan/ red Tan/red Unlock out
POWER MIRRORS Power Mirror Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Power Mirror Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Power Seat Wiring Diagram, Base for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Power Seat Wiring Diagram, Midline for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Power Top/Sunroof Wiring Diagrams for Jeep Grand Cherokee Laredo 1999: 19 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 driver Nca Open S345 Sunroof control module (near front of sunroof opening) Sunroof delay relay Sunroof motor (near front of sunroof opening) Sunroof open Sunroof switch Sunroof vent Tan
POWER WINDOWS Power Window Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Power Window Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 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 Radio Wiring Diagrams, with Amplifier for Jeep Grand Cherokee Laredo 1999 List of elements for Radio Wiring Diagrams, with Amplifier for Jeep Grand Cherokee Laredo 1999: 61 (at bottom of steering column) diagnostic junction port (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 Ccd bus (+) 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 R dash (+) R dash (-) R front (+) R front (-) R rear (+) R rear (-) Radio Radio 12v Radio control mux Radio mux Red Remote radio switch no1 Remote radio switch no2 Right dash panel speaker Right front door speaker Right rear door speaker S215 S216 S331 S334 Shield Radio Wiring Diagrams, without Amplifier for Jeep Grand Cherokee Laredo 1999 List of elements for Radio Wiring Diagrams, without Amplifier for Jeep Grand Cherokee Laredo 1999: 50 (steering column harn, near breakout to remote radio switches) Antenna Audio in l Audio in r Audio out l Audio out r B(+) Body control module Ccd bus (+) Clockspring Compact disc player Diagnostic junction port (at bottom of steering column) 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 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 R front (+) R front (-) R rear (+) R rear (-) Radio Radio control mux Radio mux Red Remote radio switch no1 Remote radio switch no2 Right front door speaker Right rear door speaker S215 S216 Shield
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 10 Brake lamp switch (top of brake pedal arm) Brake lamp switch sense Brake shift interlock solenoid (at top of steering column) Fuse 21 10a G301 (under passenger seat) Hot in run or start Junction block (behind left side of dash) Powertrain control module (right side of firewall) S314 (dash harn, left side of dash) S329
STARTING/CHARGING Charging Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Charging Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 34 Asd rly ctrl Asd rly out Auto shut down fuel pump relay (in pdc) Auto- matic shut down relay (in pdc) Bat- tery Ccd bus (+) Check gauges ind ctrl Check gauges indicator Diagnostic junction port (under dash) Engine starter motor Fuse 10a Fuse 15a Fuse 30a Fuse 7 20a Fusible link G101 (right fender side shield) G120 (right side of engine) Gen fld dvr Gen fld sre Generator Hot at all times Hot in run or start Instrument cluster Junction block Meter ctrl Passenger door module Power distri- bution center Powertrain control module (right rear corner of engine compt) Red S100 (between fusible link and generator) S128 (right rear fender area) S201 S324 (right front door jam) Volt Starting Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Starting Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 25 Acc Battery Engine starter motor Engine starter motor relay (in pdc) Fuse 10a Fuse 40a G101 (right fender side shield) G120 (right side of engine) Hd in Ignition switch Junction block Off P/ n Park/ neutral position switch (left side of transmission) Park/ neutral switch sense Pl in Power distri- bution center Power- train control module (right rear of engine compartment) Red Run S122 (rear of engine, top of transmission) S127 (right rear fender area) Start Trans solenoid/ trs assembly (4.7l) Transmission control module (4.7l)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for Supplemental Restraint Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 23 (center of dash) g206 Air bag control module (floor console, near park brake) Air bag lamp control Clockspring D25 Data link connector (under left side of dash, near steering column) Diagnostic junction port (bottom of steering column) Driver air bag (top of steering column) F14 F23 Fuse 10a Hot in run Ign Instrument cluster Junction block (behind left side of dash) Nca Or start Passenger air bag (right side of dash) Pci bus R42 R43 R44 R45
TRANSMISSION
4.0L 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 1999 List of elements for 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 62 (engine harn, front of trans) 3-4 shift ctrl 3-4 shift sol C1 (black) C2 (white) C3 (gray0 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) K30 K88 Od off sw Output shaft 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)
4.7L 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 1999 List of elements for 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 1999: 56 (at breakout to pcm) (in breakout to ckp sensor) (in breakout to ckp sensor) s119 (in breakout to controller anti-lock brake) 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 Output shaft 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 Pressure transducer (right rear side of transmission) S105 S112 S113 (near tcm) S114 S116 S117 (near tcm) S120 S125 S130 (right rear of engine compt) 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 1999 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Jeep Grand Cherokee Laredo 1999: 12 (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 Pnk S402 S403
WARNING SYSTEMS Warning System Wiring Diagrams for Jeep Grand Cherokee Laredo 1999 List of elements for Warning System Wiring Diagrams for Jeep Grand Cherokee Laredo 1999: 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 1999 List of elements for Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 1999: 40 (in liftgate harness) s404 Body control module C.b. 20a Delay Delay switch Fuse 10a Fuse 15a G102 (left shock tower) G107 (behind right headlamp) G300 (under driver's seat) G302 (below center console) 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 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) Windshield wiper motor (left side of firewall) Wiper high/low relay (in pdc) Wiper on/off relay (in pdc) Wiper switches
