All Wiring Diagrams for Jeep Grand Cherokee Laredo 2002

AIR CONDITIONING

Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Automatic A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (4.0l: near breakout for ground (g120), right side of engine) (4.7l: near breakout for fuel injector 1)
• (in trough near breakout for front power outlet) s201
• (near air bag control module) g200
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c press signal
• A/c pressure transducer (behind right side radiator support)
• A/c switch signal
• Automatic zone control module
• Blower motor (on passenger side end of heater-a/c housing)
• Blower motor controller (on heater-a/c housing, inboard of blower motor)
• Blower motor ctrl
• Blower mtr ctrl
• Blwr mtr high dr
• Body control module (on left end of dash, attached to junction block)
• C100
• C102
• C103
• C13
• C18
• C32
• C33
• C35
• C56
• C79
• C81
• C94
• C95
• C96
• Coil
• Contact
• D25
• Data link connector (dlc) (partial) (under left side of dash, near steering column)
• Defogger sw sense
• Defogger system
• Diagnostic junction port (at bottom of steering column)
• Dr blend door dr (a)
• Dr blend door dr (b)
• Dr blnd door driver (a)
• Driver blend door motor/actuator (on front of heater-a/c housing)
• Driver blnd dr driver (b)
• Engine coolant sens sig
• F142
• F22
• For front power outlet) s201
• For junction block connectors c2, c4 & c5) s316
• Fuse 11 10a
• Fuse 15a
• Fuse 20 10a
• Fuse 21 10a
• Fuse 40a
• Fuse 7 10a
• Fused (b+)
• Fused defog rly out
• Fused relay out
• G108 (near power distribution center)
• G112 (4.7l: left side of engine) (4.0l: right rear of engine)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Hot w/automatic shut down (asd) relay energized
• Hot w/rear window defogger relay energized
• Hydraulic cooling module (right front of engine compartment)
• Ignition
• Junction block (behind left side of dash)
• K173
• Mode door driver (a)
• Mode door driver (b)
• Mode door motor/actuator (on left end of heater-a/c housing)
• Nca
• O2s heater relay (downstream)
• Panel lamps driver
• Pass blend door dr (a)
• Pass blend door dr (b)
• Pass blend dr driver (b)
• Pass blnd dr driver (a)
• 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)
• Recirc door driver (a)
• Recirc door driver (b)
• Recirculation door motor/actuator (on heater-a/c housing)
• S102
• Sensor ground
• Signal
• Z118
• Z500

Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Manual A/C Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (4.0l: near breakout for ground (g120), right side of engine) (4.7l: near breakout for fuel injector 1)
• (near airbag control module) g200
• (near breakout for junction block connectors c2, c4 & c5) s316
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c press signal
• A/c pressure transducer (behind right side radiator support)
• A/c switch signal
• Blend air dr posit ctrl
• Blower motor (on passenger side end of heater-a/c housing)
• Blower motor m1 driver
• Blower motor m2 driver
• Blower motor resistor block (bottom of heater-a/c housing, inboard of blower motor)
• Blower mtr high driver
• Blower mtr low driver
• Body control module (on left end of dash, attached to junction block)
• C103
• C13
• C18
• C67
• C79
• C81
• Coil
• Contact
• Defogger relay output
• Defogger switch sense
• Defogger system
• Engine coolant sens sig
• F142
• F22
• 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
• Hot at all times
• Hot in run
• Hot in run or start
• Hot w/automatic shut down (asd) relay energized
• Hydraulic cooling module (right front of engine compartment)
• Ignition
• Junction block (behind left side of dash)
• K173
• Manual temperature control
• Nca
• O2s heater relay (downstream)
• Panel lamps driver
• Power distribution center (at right front corner of engine compartment, next to battery)
• Powertrain control module (on right side of firewall)
• S102
• Sensor ground
• Signal
• Tan
• Temperature valve actuator
• Z118
• Z132
• Z500

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Jeep Grand Cherokee Laredo 2002

List of elements for Anti-lock Brake Wiring Diagrams for Jeep Grand Cherokee Laredo 2002:

• (near breakout to c200, gray connector near right kick panel)
• A10
• A20
• B22
• Brake fluid level sw
• Brake lamp switch (top of brake pedal arm)
• Computer data lines system
• Controller anti-lock brake (left front of eng compt)
• D25
• Data link connector (under lower driver's side of dash)
• Diagnostic junction port (under center of dash)
• Driver seat)
• Exterior lights system
• F20
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse b (+)
• Fused ign (run)
• G107 (left side of eng compt)
• Ground
• Hot at all times
• Hot in run
• Junction 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 12v
• Lf wheel spd sens sig
• Lr wheel spd sens 12v
• Lr wheel spd sens sig
• Pci bus
• Power distribution center (next to battery)
• Powertrain control module (rear of eng compt)
• 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 steering knuckle)
• Right rear wheel speed sensor (on right rear backing plate)
• Rr wheel spd sens 12v
• Rr wheel spd sens sig
• S312
• S313 (near breakout to ground under
• Vehicle spd sens sig
• Vehicle speed sig
• Z101
• Z102
• Z231

ANTI-THEFT

Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (in breakout for rear wiper motor) s405
• (in trough near breakout for left courtesy lamp) s210
• Automatic headlamp light sensor/vtss led
• Body control module (on left end of dash)
• Computer data lines system
• Cyl lck sw
• D25
• Diagnostic junction port (at bottom of steering column)
• Door ajar sw
• Driver cylinder lock switch
• Driver door lock motor/ajar switch
• Driver door module
• 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 (near left front seat)
• G69
• G76
• G77
• G78
• G80
• Ground
• Horn 1
• Horn 2
• 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 liftgate ajar switch
• Left rear door lock motor/ajar switch
• Lf ajar sw
• Liftgate ajar
• Liftgate ajar sw
• Liftgate flip-up ajar switch
• Passenger door lock motor/ajar switch
• Passenger door module
• Pci bus
• Pnk
• Power distribution center (next to battery)
• Red
• Right liftgate ajar switch
• Right rear door lock motor/ajar switch
• S132
• S211
• S312 (near right kick panel)
• S324 (near right kick panel)
• S336
• S338
• S356
• S357
• S402
• S404 (near breakout for liftgate lock motor)
• Sentry key immoblizer module (near ignition lock cylinder housing)
• Tan/red
• Vtss ind driver
• Vtss led
• Z132

BODY COMPUTER

Body Computer Wiring Diagrams for Jeep Grand Cherokee Laredo 2002

List of elements for Body Computer Wiring Diagrams for Jeep Grand Cherokee Laredo 2002:

• A/c sw sig
• A/c system
• A/c/ system
• Accy delay rly
• Amb temp sen ret
• Amb temp sen sig
• Anti-theft system
• Battery
• Bcm flash enable
• Body control module
• C103
• C81
• Computer data lines system
• Coolant level sensor (in coolant reservoir/ overflow tank)
• Coolant lvl sw sen
• Crtsy lmp driver
• Ctsy lp load shed
• Ctsy lps driver
• D19
• D25
• Data link connector
• Defog rly ctrl
• Defogger system
• Door ajar sw sen
• Door locks system
• Dr ajar sw sense
• E19
• Exterior lights system
• Fog lamp relay
• Fog lamp sw sen
• Fog lp rly ctrl
• Fuse 10a
• G108 (front of right front fender)
• G18
• G200 (below center console)
• G26
• G31
• G32
• G52
• G69
• G70
• G73
• G76
• G77
• G78
• G80
• Ground
• Hazard sw sense
• Headlamp sw mux
• Headlamp sw ret
• Headlight system
• Headlights system
• Hi beam rly ctrl
• Hi beam sw sen
• High beam relay
• Horn rly ctrl
• Horns system
• Hot at all times
• Hot in run & acc
• Hot in run & start
• Ignition (run/acc)
• Ignition (st/run)
• Interior light system
• Interior lights system
• Junction block (behind left side of dash)
• Key-in ign sw
• L109
• L110
• L27
• L40
• L80
• L91
• Lf seat heater sw
• Liftgate ajar sw
• Liftgate ctsy dis
• Liftgte flip-up sw
• Lo beam rly ctrl
• Low beam relay
• Low beam/drl relay
• M20
• P132
• P133
• P134
• Panel lps dim sig
• Panel lps driver
• Park lamp relay
• Park lmp rly out
• Park lp rly ctrl
• Park lp rly out
• Pci bus
• Radio ctrl mux
• Radio ctrl mux ret
• Rear defog sw sen
• Rear window defogger relay
• Red
• Rf seat heater sw
• S132
• S205
• S211
• Seat heat sw grd
• Seats system
• Sound system
• Sunroof delay relay
• Tan/red
• Ultralight sen ret
• Ultralight sen sig
• V10
• V11
• V14
• V16
• V48
• V52
• V55
• Vtss ind driver
• W/ drl
• W/o drl
• Warning system
• Washer pump sw
• Washer sw sense
• Wiper int rly ctrl
• Wiper park sw
• Wiper sw mux
• Wiper sw ret
• Wiper sw return
• Wiper/washer system
• X10
• X20
• Z132
• Z234

COMPUTER DATA LINES

Computer Data Lines for Jeep Grand Cherokee Laredo 2002

List of elements for Computer Data Lines for Jeep Grand Cherokee Laredo 2002:

• Adjustable pedals module
• 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 (dlc) (under left side of dash, near steering column)
• Diagnostic junction port (at bottom of steering column)
• Driver door module (behind left front door panel)
• F33
• Flash enable
• Fuse 10a
• G103 (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)
• S125 (w/ 4.7l engine) (near breakout for powertrain control module)
• S130 (w/ 4.7l engine) (in breakout at right rear of engine compt)
• S223 (near breakout for adjustable pedals switch)
• S305 (near breakout at left rear door sill)
• S312 (near breakout at right kick panel)
• S324 (in breakout near right kick panel)
• Sci receive
• Sci transmit
• Seat module (w/ memory seats) (under front of driver's seat)
• Sentry key immobilizer module (near ignition lock cylinder housing)
• Transmission control module (w/ 4.7l engine) (on right inner fender)
• Vehicle information center
• Z305
• Z306

COOLING FAN

Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (4.7l: near breakout for coil on plug 6) (4.0l: near breakout for c102,c103 & c104) s112
• (behind radiator) radiator fan motor
• (right front of engine compartment)
• 4.7l and early
• Ect sens sig in
• Ect sens sig out
• Engine coolant
• Engine coolant temperature sensor (4.0l: top front of engine, on thermostat housing) (4.7l: near front of intake manifold)
• F142
• Fuse 15a
• Fuse 40a
• Fused (b+)
• Fused relay out
• G108 (near power distribution center)
• Ground
• Hot at all times
• Hot w/automatic shut down relay energized
• Hydraulic cooling
• K173
• Late production 4.0l
• Module
• Motor relay control
• Power distribution center (at right front corner of engine compartment, next to battery)
• Powertrain control module (on right side of firewall)
• Production 4.0l
• Radiator fan
• Radiator fan motor relay (below right headlight)
• Radiator fan motor relay control
• Radiator fan motor relay out
• S132
• Sensor ground
• Signal
• Temp sensor
• Z500

CRUISE CONTROL

Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Cruise Control Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near breakout to left courtesy lamp)
• (near breakout to speed control switches)
• Brake lamp switch (top of brake pedal)
• Brake sw
• Brake switch signal
• Cancel
• Clock- spring
• Coast
• Cruise control lamp control
• Cruise indicator
• Diagnostic junction port (at bottom of steering column)
• Dump
• Electronic speed control servo (below the battery tray)
• Fuse 10a
• Fused ign
• G108 (right front of engine compt, near pdc)
• G301 (under driver's seat)
• Hot in run or start
• Instrument cluster
• Junction block (behind left side of dash)
• Nca
• On/off
• Pci bus
• Powertrain control module (right side of firewall)
• Resume/ accel
• S132
• S210
• S213
• S214
• S314 (at right door)
• S315 (near breakout to ground g301, at driver's seat)
• S329
• Sensor gnd
• Set
• Shifter assembly
• Speed control switch 1
• Speed control switch 2
• Speed sw sig
• Tan/red
• Vacuum
• Vacuum sol
• Vent
• Vent sol

DEFOGGERS

Defogger Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Defogger Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near rear defog ground conn)
• 12v
• Automatic zone control module
• Azc
• Body control module
• Computer data line system
• Defog relay input
• Defog sw sens
• Defogger relay ctrl
• Defogger sense sw
• Diagnostic junction port (at bottom of steering column)
• Fuse 10a
• Fuse 40a
• G301 (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
• Mtc
• Pci bus
• Power distribution center (next to battery)
• Rear window defogger
• Rear window defogger relay
• Red/ tan
• Red/tan
• Right front door module
• Right power mirror
• S210 (left side of dash)
• S312 (left side of dash)
• S324 (right kick panel)
• S400
• S401

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Grand Cherokee Laredo 2002:

• (in pdc) transmission control relay
• (left rear of transmission) output speed sensor
• (on transmission valve body) transmission solenoid
• (right side of engine)
• +5v
• 3-4 shift sol
• A/c pres sig
• A/c system
• B22
• C18
• Ckp sens
• Cmp sens
• Coil drv 1
• Coil drv 2
• Coil drv 3
• Coil rail (right rear of engine)
• Cooling fan system
• Ect sens
• F991
• Fan rly ctrl
• Fuel injectors
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fused b+
• G103
• G60
• Gen field drv
• Generator
• Gov pres sens
• Gov pres sig
• Gov pres sol
• Ground
• Hot at all times
• Iac 1 drv
• Iac 2 drv
• Iac 3 drv
• Iac 4 drv
• Iat sens
• Ign sw out
• Inj 1 drv
• Inj 2 drv
• Inj 3 drv
• Inj 4 drv
• Inj 5 drv
• Inj 6 drv
• Instrument cluster, anti-lock brakes & transmission control systems (vehicle speed signal)
• K11
• K12
• K13
• K14
• K141
• K173
• K20
• K21
• K22
• K24
• K241
• K30
• K341
• K38
• K39
• K40
• K41
• K44
• K58
• K59
• K60
• K77
• K88
• K91
• K92
• K93
• Map sens
• Nca
• O2 sens 1/1
• O2 sens 1/2
• O2 sens 2/1
• O2 sens 2/2
• Oil pres sens
• Out spd sens
• P/n switch
• Park/neutral position switch (lower left side of transmission)
• Pnk
• Power distribution center (at right front corner of eng compt, next to battery)
• Powertrain control module (on right side of firewall)
• Red
• S102 (eng harn, near breakout at right side of engine)
• S109 (eng harn, near breakout for fuel inj 2)
• S122 (eng harn, near breakout at right side of engine)
• S126 (eng harn, near breakout for battery temp sensor)
• Sens ground
• Sensor ground
• Solenoid ctrl
• Spd sens gnd
• Starting system
• T13
• T14
• T20
• T25
• T41
• T54
• T60
• Tan
• Tan/pnk
• Tan/red
• Tcc sol
• Tcc sol ctrl
• Temp sig
• To spark plugs
• Tp sens
• Tr case pos
• Trans ctl rly
• Trans temp
• Transmissions system
• Vss signal
• Z81
• Z82

4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2002:

• (eng harn, in trough near breakout for pcm)
• (eng harn, near break- out at right rear of eng compt)
• (eng harn, near breakout for capacitor) s105
• (eng harn, near breakout for fuel inj 5)
• (front body harn, in center spline, near breakout under driver's seat)
• (near breakout for capacitor) s123
• (on throttle body) idle air control motor
• (under driver's seat) g301
• A/c system
• Automatic shut down relay
• Camshaft position sensor (on right side of eng, near oil filter)
• Capacitor
• Crankshaft position sensor (on transmission bellhousing)
• Cruise control system
• Engine coolant temperature sensor (on thermostat housing)
• Engine oil pressure sensor (right rear of eng block)
• Fuel pump module (top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Hot at all times
• Hot in run or start
• Intake air temperature sensor (in intake manifold plenum)
• Junction block (behind left side of dash)
• Manifold absolute position 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 Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2002:

• (bottom of steering column) diagnostic junction port
• (near breakout for oxygen sensors)
• (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
• Check engine ind
• Comp cl ctrl
• Cooling fans system
• Cruise control system
• D21
• D25
• D32
• Data link connector
• Evap emis
• Evap/purge solenoid (on left fender side shield)
• 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
• K226
• K25
• K29
• K299
• K31
• K51
• K512
• K52
• K99
• Leak det pmp
• Leak det pump
• Leak detection pump (below air cleaner housing)
• Nca
• Od off sw
• Oxygen sensor 1/1 (upstream) (in exhaust manifold front outlet)
• Oxygen sensor 1/2 (downstream) (in outlet of front mini catalytic converter)
• Oxygen sensor 2/1 (upstream) (in exhaust manifold rear outlet)
• Oxygen sensor 2/2 (downstream) (in outlet of rear mini 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 (eng harn, in breakout at right rear of engine compt)
• 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 Diagrams (1 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.7L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Grand Cherokee Laredo 2002:

• (eng harn, in trough near breakout for for capacitor 2)
• (eng harn, near breakout for coil on plug 4)
• (eng harn, near breakout for coil on plug 6)
• (eng harn, near breakout for fuel inj 1)
• (eng harn, near breakout for idle air control motor)
• (right side of engine)
• +5v
• A/c pres sig
• A/c pressure transducer
• B22
• C18
• Capacitor
• Ckp sens
• Cmp sens
• Coil drv 1
• Coil drv 2
• Coil drv 3
• Coil drv 4
• Coil drv 5
• Coil drv 6
• Coil drv 7
• Coil drv 8
• Coil on plug 1
• Coil on plug 2
• Coil on plug 3
• Coil on plug 4
• Coil on plug 5
• Coil on plug 6
• Coil on plug 7
• Coil on plug 8
• Cooling fans system
• Ect sens
• F991
• Fan rly ctrl
• Fuel injectors
• Fuse 10a
• Fused b+
• G103
• G60
• Gen field drv
• Generator
• Ground
• Hot at all times
• Iac 1 drv
• Iac 2 drv
• Iac 3 drv
• Iac 4 drv
• Iat sens
• Ign sw out
• Inj 1 drv
• Inj 2 drv
• Inj 3 drv
• Inj 4 drv
• Inj 5 drv
• Inj 6 drv
• Inj 7 drv
• Inj 8 drv
• K11
• K12
• K13
• K14
• K141
• K173
• K20
• K21
• K22
• K24
• K241
• K26
• K28
• K341
• K38
• K39
• K40
• K41
• K44
• K58
• K59
• K60
• K77
• K91
• K92
• K93
• K94
• K95
• K96
• K97
• K98
• Map sens
• Nca
• O2 sens 1/1
• O2 sens 1/2
• O2 sens 2/1
• O2 sens 2/2
• Oil pres sens
• P/n switch
• Power distribution center (at right front corner of eng compt, next to battery)
• Powertrain control module (on right side of firewall)
• S102
• S109
• S118
• S121
• S124
• Sens ground
• T41
• Tan
• Tan/pnk
• Tan/red
• Tp sens
• Tr case pos
• Transmissions system
• Transmissions, anti-lock brakes & instrument cluster systems (vehicle speed signal)
• Vss signal
• Z81
• Z82

4.7L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.7L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Grand Cherokee Laredo 2002:

• (eng harn, in breakout for crank- shaft position sensor) s119
• (eng harn, in trough near breakout for pcm)
• (eng harn, near breakout at right rear of eng compt)
• (eng harn, near breakout for fuel inj 7) s107
• (eng harn, near breakout for input speed sensor)
• (eng harn, near breakout for pcm) s120
• (on throttle body) idle air control motor
• (under driver's seat) g301
• 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 run or start
• Intake air temperature sensor (in intake manifold plenum)
• 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
• S315
• Starting system
• Throttle position sensor (on throttle body)
• Transmission control system
• Transmission solenoid/trs assembly (on transmission valve body)

4.7L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.7L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Grand Cherokee Laredo 2002:

• (bottom of steering column) diagnostic junction port
• (eng harn, in breakout for coil on plug 8) s112
• (eng harn, in breakout for oxygen sensors)
• (left side of engine) g104
• (right rear of engine compt)
• 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
• Cooling fans system
• Cruise control system
• D21
• D25
• D32
• Data link connector (under left
• Evap emis
• Evap/purge solenoid (on left fender side shield)
• 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)
• Leak det pmp
• Leak det pump
• Leak detection pump (below air cleaner housing)
• Nca
• Oxygen sensor 1/1 (upstream) (below left exhaust manifold, in downpipe)
• Oxygen sensor 1/2 (downstream) (in outlet of front mini catalytic converter)
• Oxygen sensor 2/1 (upstream) (below right exhaust manifold, in downpipe)
• Oxygen sensor 2/2 (downstream) (in outlet of right mini 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 (eng harn, near breakout for pcm)
• S126
• S130 (eng harn, in breakout at right rear of eng compt)
• S131 (eng harn, 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 2002

List of elements for Back-up Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near breakout to left rear taillamp) s310
• 4.0l
• 4.7l
• Adjustable pedals module
• Automatic day/night mirror
• Back- up lamp
• Fuse 20 10a
• G300 (under right front seat)
• G301 (under left front seat)
• Hot in run
• Junction block (behind left side of dash)
• Left rear lamp assembly
• Park/neutral position switch (lower left side of transmission)
• Right rear lamp assembly
• S307
• S328 (in sill trough, near breakout to ground g300)
• S332
• Trailer tow connector
• Transmission solenoid/trs assembly (on transmission valve body)

Exterior Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Exterior Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (+)
• (in left headlamp assembly) s155
• (in left headlamp assembly) s156
• (in right headlamp assembly) s153
• (in right headlamp assembly) s154
• (near license plate) s411
• 87a
• Body control module
• Center high mounted stop lamp
• Combination flasher
• Controller anti-lock brake
• Fuse 10a
• Fuse 15a
• Fused
• Fused ignition switch output
• G106 (left side of engine compt)
• G108 (near power distribution center)
• G200 (below center console, near airbag control module)
• G300 (under right front seat)
• G301 (under drivers seat)
• Hazard
• Hazard switch sense
• Hot at all times
• Hot in run
• Instrument cluster
• Junction block (behind left side of dash)
• Left front park lamp
• Left front park/ turn lamp
• Left front side marker lamp
• Left rear lamp assembly
• Left rear tail/ stop lamp
• Left rear turn lamp
• Left turn
• Left turn indi- cator
• Left turn signal
• Left turn switch sense
• License lamp 1
• License lamp 2
• Multi- function switch
• Park lamp relay
• Park lamp relay control
• Park lamp relay output
• Pnk
• Pnk/
• Red
• Right front park lamp
• Right front park/ turn lamp
• Right front side marker lamp
• Right rear lamp assembly
• Right rear tail/ stop lamp
• Right rear turn lamp
• Right turn
• Right turn indi- cator
• Right turn signal
• Right turn switch sense
• S151
• S152
• S203
• S205
• S306 (behind left quarter panel)
• S307
• S309 (left rear taillamp)
• S311 (near left rear tail lamp)
• S313 (near breakout to g301)
• S326 (right front door jam)
• S327 (behind right kick panel)
• S332
• S401
• S412
• Stop- light switch
• Tan
• Tan/
• Trailer tow circuit

Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (in left front door sill trough) s319
• (near breakout to g301) s313
• (near trailer tow connector) s410
• 15a
• 87a
• Back-up lamps circuit
• Body control module
• Brake sw
• Cigar lighter relay
• Combination flasher
• Controller, anti-lock brakes
• Electric brake
• Exterior lamps circuit
• Fuse 15a
• Fuse 30a
• G200 (below center console, near airbag control module)
• G300 (under right front seat)
• G301 (under drivers seat)
• Ground
• Hot at all times
• Junction block (behind left side of dash)
• Lamp output
• Left turn signal
• Park lamp relay
• Park lamp relay control
• Red/tan
• Right turn signal
• S205
• S306 (behind left quarter panel)
• S307
• S309 (near left rear tail lamp)
• S311 (near left rear taillamp)
• S327 (behind right kick panel)
• S332
• S406 (in trailer tow warness)
• S407 (in trailer tow harness)
• S408 (behind left quarter panel)
• Stoplight switch
• Trailer brake
• Trailer tow brake lamp relay (left rear quarter panel)
• Trailer tow circuit breaker (left rear quarter panel)
• Trailer tow connector
• Trailer tow left turn relay (left rear quarter panel)
• Trailer tow right turn relay (left rear quarter panel)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 2002

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Jeep Grand Cherokee Laredo 2002:

• (4.0l)
• (4.7l)
• (4.7l) transmission control relay
• A/c compressor clutch
• Battery
• Controller anti-lock brake
• Coolant level sensor
• Data link connector (dlc)
• Electronic speed control servo
• Front washer pump
• Front wiper pump
• G100 (near starter) (near intake plenum)
• G101 (near battery)
• G102 (right side of engine)
• G103 (right side of engine)
• G104 (right rear of engine)
• G106 (left side of engine compartment)
• G107 (left side of engine compartment)
• G108 (near power distribution center)
• Horn
• Hydraulic cooling fan module
• 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 (4.0l) (in break out for ground located on right rear of engine) (4.7l) (near breakout for oxygen sensors)
• S114 (near break out for transmission control module)
• S133 (near break out for battery temperature sensor)
• S134 (in trough near breakout for controller anti-lock brake)
• S151 (in headlamp assembly)
• S152 (in headlamp assembly)
• Transmission control module
• Under- hood lamp
• Washer fluid level switch
• Z101
• Z102
• Z112
• Z113
• Z114
• Z212
• Z281
• Z282
• Z305
• Z306
• Z500

Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 2002

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo 2002:

• (base) 1 (execpt base)
• (midline/premium) driver lumbar switch
• (premium) seat module
• 12 c2
• Adjustable pedals module
• Automatic day/night
• Base
• Center high mounted stop lamp
• Connector under driver's seat)
• Driver power seat switch
• Driver rear power window switch
• Except base
• Fuel pump module
• G301 (near left front seat)
• Left liftgate ajar switch
• Left rear door power 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
• Other
• Rain sensor
• Rear window defogger
• Rear wiper motor
• Right liftgate ajar switch
• S300 (near break out for ground near left front seat)
• S345 (near break out for left handle courtesy lamp)
• S355 (near break out for 10 cavity black connector, under driver's seat & 6 cavity black connector under passenger's seat)
• S356 (near break out for left rear door lock motor/ajar switch)
• S401 (near rear window defogger ground connector)
• S402 (near breakout for liftgate flip-up ajar switch)
• S410 (at trailer tow connector)
• S412 (in break out for 4 cavity black in-line connector bottom center of liftgate)
• Sun roof
• Sun roof control module
• Sun roof motor
• Sun roof switch
• Trailer tow brake lamp relay
• Trailer tow connector
• Trailer tow left turn relay
• Trailer tow right turn relay
• Vehicle vehicle information center center
• Z150
• Z155
• Z243

Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 2002

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo 2002:

• (base) (premium)
• Adjustable pedals module
• Air bag control module
• Base
• Brake lamp switch
• Driver cylinder lock switch
• Driver door lock/motor ajar switch
• Driver door module
• Electric brake
• G201 (near air bag control module)
• G300 (near right front seat)
• Motor)
• Motor/ajar switch)
• Other
• Passenger door lock/motor ajar switch
• Passenger door module
• Passenger lumbar switch
• Passenger power seat switch
• Passenger rear power window switch
• Power amplifier
• Premium
• Radio
• Rear power outlet
• Right rear door power lock motor/ ajar switch
• Right rear lamp assembly
• S224 (right center of dash)
• S329 (in sill trough near break out for ground near right front seat)
• S330 (near breakout for 6 cavity black connector under passenger's seat)
• S331 (in sill trough near break out for 11 cavity white connector right "b" pillar)
• S332 (in sill trough near break out for 11 cavity white connector in right "b" pillar)
• S341 (near break out for 6 cavity black connector under passenger's seat)
• Z151
• Z28

Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 2002

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo 2002:

• (mtc) temperature valve actuator
• (premium 1/3) driver heated seat switch
• (premium 1/3) passenger heated seat switch
• 14 c1
• 2 c1
• 87a
• Ash receiver lamp
• 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
• Junction block
• Left multi- function switch
• Low beam daytime running lamp relay (drl)
• Manual temperature control
• Park lamp relay
• Power connector
• S201 (azc) (near break out for front power outlet)
• S203 (near break out for cigar lighter)
• S205 (in trough near break out for power connector)
• S211 (in trough near break out for left courtesy lamp)
• Sentry key immobilizer module
• Shifter assembly
• Z132
• Z234

HEADLIGHTS

Headlight Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 2002

List of elements for Headlight Wiring Diagram, with DRL for Jeep Grand Cherokee Laredo 2002:

• (fused b (+))
• (ground)
• (in headlamp assembly) s151
• (in trough near breakout for controller anti-lock brake) s134
• (left side of engine compartment) g106
• (low beam ctrl)
• (low beam out)
• (near air bag control module, below center floor console) g200
• (near breakout for adjustable pedal switch) s205
• (near breakout for battery temperature sensor) s133
• (near power distribution center) g108
• Auto
• Automatic headlamp light/sensor vtss led (near left dash speaker)
• 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 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
• Sensor return
• Sensor signal

Headlight Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 2002

List of elements for Headlight Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo 2002:

• (in headlamp assembly) s151
• (in trough near breakout for controller anti-lock brake) s134
• (left side of engine compartment) g106
• (near breakout for adjustable pedal switch) s205
• (near breakout for battery temperature sensor) s133
• (near power distribution center) g108
• Auto
• Automatic headlamp light/sensor vtss led (near left dash speaker)
• 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 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
• Low beam relay control
• 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
• Sensor return
• Sensor signal

HORN

Horn Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Horn Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Body control module
• Clockspring
• Fuse 15a
• G108 (above left front wheelwell)
• Horn 1 (lower right front of engine compt)
• Horn 2 (lower right front of engine compt)
• Horn relay (in pdc)
• Horn switch
• Hot at all times
• Junction block (left side of dash)
• Nca
• Power distribution center (right front corner of engine compt, next to battery)
• Red
• Relay ctrl
• S132

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Instrument Cluster Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (engine compt right rear of engine compt) s130
• (in trough, left side of dash) s210
• 4.7l
• Abs warning
• Air bag control module (below floor console, near park brake)
• Air bag warning
• Body control module
• Brake warn
• Brake warning
• Check engine
• Check gauges
• Computer data lines system
• Controller anti-lock brake (left side of engine compt, mounted to hydraulic control unit)
• Coolant level sense
• Coolant level sensor (in fluid reservoir)
• Cruise
• D19
• D25
• Data link connector (near steering column)
• Diagnostic junction port (at bottom of steering column)
• Ect
• Engine controls system
• 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)
• Exterior lights system
• F33
• Flash enable
• Fog lamp
• Fuel gauge
• Fuel lvl
• Fuel pump module (top of fuel tank)
• Fuse 10a
• Fused (b+)
• G108 (behind right headlamp)
• G200 (center of dash, below air bag control module)
• G60
• Ground
• High beam
• Hot at all times
• Hot in run or start
• Illumination
• Illumination (5 bulbs)
• Instrument cluster
• Junction block (behind left side of dash)
• K226
• L60
• L61
• Left side of dash)
• Left turn
• Low collant level
• Low fuel warning
• Oil pres
• Oil pressure gauge
• Overdrive
• Park brake switch (on park brake bracket)
• Part time 4wd
• Pci bus
• Pnk/red
• Powertrain control module (right side of firewall)
• Rear fog lamp
• Right turn
• S102 (near rail coil breakout)
• S132
• S203
• S211
• S223 (left center of dash)
• S324 (right kick panel)
• Seat belt warning
• Sens gnd
• Sentry key immobilizer
• Sentry key immobilizer module (near ignition lock cylinder housing)
• Speedometer
• Tachometer
• Tan
• Transmission control module (right front inner fender)
• Transmission temperature
• Voltmeter
• Water in fuel
• Z300

Overhead Console Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Overhead Console Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Computer data lines system
• D25
• Drivers seat)
• F70
• Fuse 10a
• Fuse 15a
• Fused b+
• Fused ign
• G301 (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 2002

List of elements for Courtesy Lamps Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near lifgate lock motor) s404
• Ajar sens
• Body control module
• Breakouts)
• Cargo lamp
• Driver door courtesy lamp
• Driver door lock motor/ ajar switch
• Driver door module (behind left front door panel)
• Fuse 10a
• Fuse 15a
• Fuse 50a
• Fused b+
• G106 (left side of engine compt)
• G200 (near air bag control module)
• G300 (near right front seat)
• G301 (near left front seat)
• 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 door handle courtesy lamp
• Left liftgate ajar witch
• Left rear door lock motor/ ajar switch
• Left visor/ vanity lamp
• Liftgate flip-up ajar witch
• Overhead map/ courtesy lamp
• Passenger door courtesy lamp
• Passenger door lock motor/ ajar switch
• Passenger door module (behind right front door panel)
• Pnk
• Pnk pnk
• Pnk/ red
• Power distribution center (next to battery)
• Right courtesy lamp
• Right door handle courtesy lamp
• Right liftgate ajar witch
• Right rear door lock motor/ ajar switch
• Right visor/ vanity lamp
• S134
• S205
• S207
• S211
• S336
• S338
• S346
• S347 (near breakout for left visor/vanity lamp)
• S348 (near breakout for automatic day/night mirror)
• S356
• S357
• S402
• S405 (near rear wiper motor)
• Tan/ red
• Tan/red
• Underhood lamp
• Wiper/ washer system

Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Ash receiver lamp
• Automatic a/c
• Automatic zone control module
• Body control module
• Dome on day brightness dimmer dome inhibit
• Driver heated seat switch
• Fuse 10a
• G200 (near 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 a/c
• Manual temperature control
• Passenger heated seat switch
• Radio
• Red
• S202 (near passenger heated seat switch breakout)
• S203
• S205
• S211
• Shifter assembly

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Memory Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• A146
• 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
• Fuse 50a
• Fused b+
• G300 (near right front seat)
• Ground
• Heater
• Hot at all times
• Junction block (behind left side of dash)
• Kick panel)
• Left
• Memory 1
• Memory 2
• Memory set
• Memory set ind driver
• Memory set switch
• Memory switch mux
• Memory switch rtn
• Mirror common
• Mirror heater 12v
• Mirror heater gnd
• Mirror horiz driver
• Mirror horiz pos sig
• Mirror sensor gnd
• Mirror vert driver
• Mirror vert pos sig
• Near left kick panel)
• 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, in trough, near breakout for left courtesy lamp)
• S336
• Sw illum driver
• Z28

Memory Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Memory Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (body harn, in trough, near left kick panel)
• (body harn, left "b" pillar)
• (near seat belt switch breakout)
• A146
• Back
• Circuit breaker 2 20a
• Computer data lines
• D25
• Driver power seat switch
• Driver seat front riser motor sensor (under left seat)
• Driver seat front vertical motor
• Driver seat horizontal motor
• Driver seat horizontal motor sensor (under left seat)
• Driver seat rear riser motor sensor (under left seat)
• Driver seat rear vertical motor
• Driver seat recliner motor
• Driver seat recliner motor sensor (under left seat)
• Driver's door module (in driver's door)
• F35
• Frnt riser pos sig
• Fuse 50a
• Fused b+
• Fwd
• G300 (near
• G301 (near left front seat)
• Gnd
• Ground
• Hot at all times
• Junction block (behind left side of dash)
• L seat htr b+
• L seat htr gnd
• L seat temp sens
• Memory 1
• Memory 2
• Memory position 1
• Memory position 2
• Memory set
• Memory set switch
• Memory switch rtn
• Memory switch set
• P11
• P111
• P113
• P115
• P117
• P119
• P121
• P13
• P130
• P131
• P135
• P141
• P143
• P15
• P17
• P19
• P21
• P25
• P26
• P27
• P28
• P29
• P41
• P43
• P47
• P86
• Pci bus
• Power distribution center (next to battery)
• R seat htr b+
• R seat htr gnd
• R seat temp sens
• Rear riser sig
• Recline
• Recliner dwn drvr
• Recliner dwn sens
• Recliner pos sig
• Recliner up drvr
• Recliner up sens
• Red
• Right front seat)
• S301
• S305
• S312
• S336
• S351
• S352
• S353
• S355
• Seat frnt
• Seat frnt dwn drvr
• Seat frnt dwn sens
• Seat frnt up drvr
• Seat frnt up sens
• Seat horiz
• Seat horiz fwd drvr
• Seat horiz fwd sens
• Seat horiz rear drvr
• Seat horiz rear sens
• Seat horiz sig
• Seat module (under driver's seat)
• Seat pos sensor gnd
• Seat rear
• Seat rear dwn drvr
• Seat rear dwn sens
• Seat rear up drvr
• Seat rear up sens
• Seat sensor 5v
• Seat switch b+
• Seats (heated)
• Z115
• Z243
• Z28

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for Power Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo 2002:

• (at right front corner of engine compartment, next to battery) power distribution center
• (behind left side of dash) junction block
• (near breakout for red
• (near right front seat) g300
• 4.7l
• A/c compressor clutch relay
• A30
• Accessory delay relay
• Automatic shutdown relay
• Base
• Battery
• Blower motor
• Blower motor controller
• Circuit breaker 2 20a
• Combination flasher
• Controller anti-lock brake
• Data link connector (dlc) (partial)
• Driver lumbar switch
• Driver lumbar switch) s353
• Driver power seat switch
• Engine starter motor
• Engine starter motor relay
• F33
• F35
• Fog lamp relay
• From a fuse 15 (diagram 1 of 3)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 15a (or 20a)
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 50a
• Generator
• High beam relay
• Horn relay
• Instrument cluster
• Low beam relay (w/o drl)
• Low beam/ daytime running lamp relay (w/drl)
• Midline/ premium
• 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- train control module
• Rear power outlet (right rear quarter panel)
• Red
• Red/ tan
• S127 (in trough near breakout for powertrain control module- connector c3)
• S342
• Seat module
• Stop- light switch
• 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
• W/ auto a/c
• W/ manual a/c

Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for Power Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo 2002:

• (behind left side of dash) junction block
• (diagram 1 of 3)
• (in sill trough near breakout for 11 cavity pnk
• (near airbag control module) g200
• (near breakout for 14 cavity gray & 10 cavity lt gray in-line connectors, right rear of engine compartment) s116 (4.7l)
• 4.7l
• A/c compressor clutch relay
• Acc
• Air bag control module
• Automatic day/night mirror
• Automatic shutdown relay
• Body control module
• Cargo lamp
• Cigar lighter
• Cigar lighter relay
• Circuit breaker 1 20a
• Evap/purge solenoid
• F14
• 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
• Glove box lamp
• Ignition switch
• Instrument cluster
• Junction block (behind left side of dash)
• Junction block connectors c2, c4 & c5) s316
• 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 (in trough near breakout for cigar lighter)
• S205 (near breakout for adjustable pedal switch)
• S346 (near breakout for pnk left visor/vanity lamp)
• S403 (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
• White in-line connector, left rear door) s304
• Wiper high/low relay
• Wiper on/off relay

Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2002

List of elements for Power Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo 2002:

• (behind left side of dash) junction block
• (in breakout for power amplifier connector c2) s334
• (in trough near breakout for cigar lighter) s203
• (in trough near breakout for left courtesy lamp) s209
• (in trough near breakout for power connector) s204
• (in trough under driver's seat near breakout for a 10 cavity black in-line connector) s319
• (near airbag control module) g200
• (upper left center of dash) s221
• 4.0l
• 4.7l
• A146
• Adjustable pedals module
• Air bag control module
• Automatic headlamp light sensor/ vtss led
• Automatic zone control module
• Body control module
• Combination flasher
• Controller anti-lock brake
• Driver door module
• Driver heated seat switch
• Electric brake
• Engine starter motor relay
• F20
• F22
• F23
• F45
• From fuse 12 (pdc) (diagram 1 of 3)
• From ignition switch (diagram 2 of 3)
• From j fuse 8 (diagram 2 of 3)
• Front power outlet (center of dash)
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Junction block (behind left side of dash)
• Manual temperature control
• Nca
• Park/ neutral position switch
• Passenger door module
• Passenger heated seat switch
• Pnk
• Pnk/ red
• Power amplifier
• Power connector (center of dash)
• Power distribution center (at right front corner of engine compartment, next to battery)
• Radio
• Sentry key immobilizer module
• Temperature valve actuator
• Trailer tow brake lamp relay
• Transmission control module (4.7l)
• Transmission solenoid/ trs assembly
• Underhood lamp
• W/ auto a/c
• W/ manual a/c
• W/ premium 1 & 3

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Power Door Lock Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (in trough near breakout for left courtesy lamp) s210
• (near right kick panel) s324
• Body control module
• Computer data lines system
• D25
• Diagnostic junction port (at bottom of steering column)
• Door lock
• Door unlock driver
• Dr unlock
• Driver cylinder lock switch
• Driver door lock
• Driver door lock motor/ ajar switch
• Driver door module
• Flip-up ajar
• Fuse 15a
• Fuse 50a
• Fused b+
• G300 (near right front seat)
• G301 (near left front seat)
• G76
• G77
• G78
• G80
• Ground
• Hot at all times
• Junction block
• Junction block (behind left side of dash)
• Left liftgate ajar switch
• Left rear door lock motor/ ajar switch
• Lf door ajar sw
• Lf key cyl sw sense
• Liftgate ajar
• Liftgate flip-up ajar switch
• Liftgate flip-up push button switch
• Liftgate flip-up release solenoid (in liftgate)
• Liftgate lock motor
• Limit switch
• Lr door ajar
• Passenger door lock motor/ ajar switch
• Passenger door module
• Pci bus
• Pnk
• Power distribution center (next to battery)
• Rear wiper motor
• Rf ajar sw
• Right liftgate ajar switch
• Right rear door lock motor/ ajar switch
• Rr door ajar
• S302 (left rear door)
• S303 (left rear door)
• S312 (near breakout for brake lamp switch)
• S317 (right front door)
• S318 (right front door)
• S336
• S338
• S338 s338
• S339 (right front door)
• S340 (right front door)
• S356
• S357
• S402
• S403
• S404 (near breakout for liftgate lock motor)
• S405 (near breakout for rear wiper motor)
• Tan/ red
• Tan/red

POWER MIRRORS

Power Mirror Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Power Mirror Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• 4.0l
• 4.7l
• A146
• 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 (behind left front door panel)
• Driver power mirror
• Exterior lights
• Fuse 10a
• Fuse 50a
• Fused b+
• Fused ign
• G300 (near right front seat)
• G300 (under driver seat)
• Gnd
• Ground
• Heater
• Hot at all times
• Hot in run or start
• Junction block (behind left side of dash)
• Kick panel)
• 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)
• P64
• P65
• P69
• P91
• P93
• P95
• Park/ neutral position switch
• Passenger door module (behind left front door panel)
• Passenger power mirror
• Pci bus
• Power distribution center (next to battery)
• Red
• Right
• S307
• S312 (body harn, left side of dash)
• S324 (body harn, at right kick pnl)
• S336
• S338
• S345 (w/ sunroof)
• S349
• Transmission solenoid/trs assembly
• Z28

POWER SEATS

Adjustable Pedal Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Adjustable Pedal Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Adjustable pedals module (above driver control pedals)
• Adjustable pedals motor/ sensor assembly (above driver control pedals)
• Adjustable pedals switch
• D25
• Data link connector (dlc) (under left side of dash)
• Exterior lights system
• F72
• Forward
• Fuse 20a
• G300 (near right front seat)
• G301 (near left front seat)
• Gnd
• Hot at all times
• Junction block (behind left side of dash)
• Lamp fd
• Motor fwd
• Motor rear
• Mtr fwd
• Mtr rear
• Pci bus
• Q10
• Q111
• Q112
• Q113
• Q114
• Rearward
• S301
• S312 (near breakout for c200)
• S332
• Sens fd
• Sens ret
• Sensor sens
• Sw feed
• Sw sens fwd
• Sw sens rear
• Y151
• Y152
• Y153
• Z151
• Z155

Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Heated Seats Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (center of dash) s202
• (near air bag control module) g200
• 0 off 1 low 2 high
• Body control module (on junction block)
• Computer data lines system
• D25
• Diagnostic junction port (bottom of steering column)
• 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 20 10a
• Ground
• Hot in run
• Junction block (behind left side of dash)
• P131
• P132
• P134
• P135
• P29
• 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
• Pi33
• S200 (near passenger heated seat switch breakout)
• S203
• S204
• S305 (left rear door sill)
• S312 (left side of dash)
• S351 (near seat belt switch breakout)
• Seat heater switch sensor ground
• Seat module (under driver's seat)

Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Circuit breaker 2 20a
• Driver lumbar motor
• Driver's lumbar switch
• G300 (near right front seat)
• G301 (under drivers seat)
• Hot at all times
• Junction block (behind left side of dash)
• Passenger lumbar motor
• Passenger's lumbar switch
• Red
• S341
• S342
• S353
• S355

Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (driver side) (passenger side)
• 1 rear up 2 rear down 3 forward 4 rearward 5 front up 6 front down 7 recliner up 8 recliner down
• Circuit breaker 20a
• Driver
• Driver or passenger power seat switch
• Driver side
• G300 (near right front seat)
• G301 (under drivers 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
• S341
• S353 s342
• S355
• Side

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagrams for Jeep Grand Cherokee Laredo 2002

List of elements for Power Top/Sunroof Wiring Diagrams for Jeep Grand Cherokee Laredo 2002:

• Accesory delay
• Body control module
• Close
• Fuse 20a
• G301 (under driver seat)
• Ground
• Hot at all times
• Junction block (behind left side of dash)
• Motor b+
• Motor b-
• Open
• Position signal
• S345
• S370 (near breakout for sun roof module)
• Sun roof control module (near front of sun roof opening)
• Sun roof delay relay
• Sun roof motor/position sensor (near front of sun roof opening)
• Sun roof open
• Sun roof switch
• Sun roof vent
• Sunroof delay relay control
• Tan

POWER WINDOWS

Power Window Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Power Window Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near right kick panel)
• Batt
• Body control module (behind left end of dash, on junction block) c1
• Diagnostic junction port (at bottom of steering column)
• Driver door module
• Fuse 50a
• G300 (near right front seat)
• G301 (near left front seat)
• Gnd
• Hot at all times
• Illumination
• Junction block (behind left side of dash) c2
• 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
• Power distribution center (next to battery)
• 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
• S336
• S338
• S356
• S357

RADIO

Radio Wiring Diagrams, Base Radio for Jeep Grand Cherokee Laredo 2002

List of elements for Radio Wiring Diagrams, Base Radio for Jeep Grand Cherokee Laredo 2002:

• (steering column harn, near breakout to remote radio switches)
• Antenna
• Body control module
• Clock- spring
• Diagnostic junction port (at bottom of steering column)
• Fuse 15a
• Fuse 25a
• Fused b(+)
• Fused ign
• G300 (under passenger seat)
• Ground
• Hot at all times
• Hot in run or acc
• Junction block (behind left side of dash)
• L front (+)
• L front (-)
• L rear (+)
• L rear (-)
• Left dash speaker
• Left front door speaker
• Left rear door speaker
• Mode
• Nca
• Panel lamps
• Panel lamps feed
• Pci bus
• Preset
• R front (+)
• R front (-)
• R rear (+)
• R rear (-)
• Radio
• Radio control mux
• Radio mux
• Remote radio switch left
• Remote radio switch right
• Right dash speaker
• Right front door speaker
• Right rear door speaker
• S215
• S216 (steering column harn, near breakout to remote radio switches)
• S221
• S224
• S360 (left kick panel)
• S361 (left kick panel)
• S362 (right kick panel)
• S363 (right kick panel)
• Seek down
• Seek up
• Vol down
• Vol up

Radio Wiring Diagrams, Premium Radio for Jeep Grand Cherokee Laredo 2002

List of elements for Radio Wiring Diagrams, Premium Radio for Jeep Grand Cherokee Laredo 2002:

• (at bottom of steering column) diagnostic junction port
• Antenna
• Antenna module
• Audio in l
• Audio in r
• Audio out l
• Audio out r
• B(+)
• Body control module
• Clock- spring
• Compact disc player
• Enable
• Fuse 15a
• Fuse 25a
• Fused b(+)
• Fused ign
• G300 (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 front door speaker
• Left instrument panel speaker
• Left rear door speaker
• Mode
• Nca
• Panel lamps
• Panel lamps feed
• Pci bus
• Power amplifier
• Preset
• R dash (+)
• R dash (-)
• R front (+)
• R front (-)
• R rear (+)
• R rear (-)
• Radio
• Radio 12v
• Radio control mux
• Radio mux
• Red
• Remote radio switch left
• Remote radio switch right
• Right front door speaker
• Right instrument panel speaker
• Right rear door speaker
• S210 (behind instrument panel)
• S215 (steering column harn, near breakout to remote radio switches)
• S216 (steering column harn, near breakout to remote radio switches)
• S221
• S224
• S324 (near right kick panel)
• S331
• S334
• Seek down
• Seek up
• Shield
• Vol down
• Vol up

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Body control module (on left end of dash, attached to junction block)
• Brake lamp switch (top of brake pedal arm)
• F12
• Fuse 10a
• Fused ign
• G200 (below center floor console, near park brake)
• 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 drv
• S203
• S205
• S314 (near breakout at passenger door)
• S329
• Sec brake sw sig
• Shifter assembly
• Transmissions system
• Z234
• Z300

STARTING/CHARGING

Charging Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Charging Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near breakout for battery temperature sensor)
• (near breakout s131 for pdc)
• Asd rly cntl
• Asd rly out
• Automatic
• Battery
• Battery temperature sensor (in center of battery tray)
• Check gauges indicator
• D25
• Diagnostic junction port
• Engine controls system
• Engine starter motor
• F42
• Fuel pump relay (in pdc)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse b(+)
• G100 (4.0l: 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)
• K20
• K21
• K25
• K51
• Meter ctrl
• Nca
• Pci bus
• Pnk/ red
• Power distribution center
• Power distribution center (next to battery)
• Powertrain control module (on right side of firewall)
• Red
• S100
• S126
• S210 (in trough near breakout for left courtesy lamp)
• Sens gnd
• Sens sig
• Shut down relay (in pdc)
• Voltmeter

Starting Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Starting Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (4.0l: near breakout for rail coil, 4.7l: near breakout for oxygen sensors)
• (not used)
• 4.0l only
• 4.7l only
• Acc
• Battery
• C200
• Engine
• Engine starter motor
• Fuse 10a
• Fuse 40a
• G100 (4.0l: near starter, 4.7l: near intake plenum)
• G101 (near battery)
• Hd in
• Ignition switch
• Junction block (behind left side of dash)
• Lock
• Off
• P/ n
• Park/ neutral position switch (left side of transmission)
• Pl in
• Power distribution center (next to battery)
• Powertrain control module (on right side of firewall)
• Prk/ ntrl sw sens
• Red
• Run
• S122
• S127
• S175
• Start
• Starter motor relay (in pdc)
• Transmission control module (on right inner fender)
• Transmission solenoid/trs assembly (on trans valve body)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Supplemental Restraint Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• Air bag warning indicator
• Airbag control module (orc) (under center console, near handbrake)
• Clock- spring
• Diagnostic junction port (bottom of steering column)
• Dr ctrn line 1
• Dr ctrn line 2
• Driver airbag squib 1
• Driver airbag squib 2
• Driver curtain airbag
• Driver seat belt switch
• Driver side impact sensor
• Drv belt sw gnd
• Drv belt sw sig
• 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
• Fuse 22 10a
• Fuse 32 10a
• Fuse 5 10a
• G200 (near airbag control module)
• G201 (near airbag control module)
• Ground
• Hot in run
• Hot in run or start
• Ign run
• Ing run/start
• Instrument cluster
• Instrument panel driver
• Junction block (on left side of dash)
• Left front impact sensor (near windshield washer pump)
• Lf sensor gnd
• Lf sensor sig
• Line 1
• Line 2
• Pass belt sw gnd
• Pass belt sw sig
• Pass ctrn line 1
• Pass ctrn 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 airbag
• Passenger curtain airbag
• Passenger seat belt switch
• Passenger side impact sensor
• Pci bus
• Rf sensor gnd
• Rf sensor sig
• Right front impact sensor (near right radiator support)
• Tan

TRANSMISSION

4.0L

4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (near breakout at right side of engine)
• 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)
• Engine controls system
• Engine starter motor relay
• F12
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fused ign
• G200 (below center floor console, near park brake)
• 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 (below air cleaner housing)
• 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 (near breakout for fuel inj 5)
• S112 (near breakout at right rear of engine compt)
• S122 (near breakout at right side of engine)
• S126 (near breakout in center of battery tray)
• S175
• S203
• S205
• S314 (near breakout at passenger door)
• S329
• Sec brake sw sig
• Sens gnd
• Shifter assembly
• T case pos sens
• T13
• T14
• T15
• T20
• T25
• T41
• T54
• T60
• T99
• 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 (1 of 2) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.7L, A/T Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo 2002:

• (right side of engine)
• 2c press
• 2c press sw
• 2c sol
• 2c sol ctrl
• 4c press
• 4c press sw
• 4c sol
• 4c sol ctrl
• A30
• Back-up lamps
• Ckp sens sig
• D20
• D21
• D25
• Engine starter motor relay (in pdc)
• F45
• F991
• Fuse 10a
• Fuse 30a
• Fused b(+)
• Fused ign sw
• G102
• G108 (near power distribution center)
• Gnd
• Hot at all times
• Hot in run
• Hot in start
• Input ss sig
• Junction block (behind left side of dash)
• K22
• K24
• K30
• L/r press
• L/r press sw
• L/r sol
• L/r sol ctrl
• Line press sens
• Ms sol
• Ms sol ctrl
• Od off sw sens
• Od press
• Od press sw
• Od sol
• Od sol ctrl
• Output ss sig
• Pci bus
• Pnk
• Power distribution center (at right front corner of engine compt, next to battery)
• Press sol
• Press sol ctrl
• Red
• S115 (near breakout for tcm)
• S122 (near breakout for input speed sensor)
• S175
• Sci receive
• Sci transmit
• Sensor gnd
• Ss gnd
• T10
• T118
• T119
• T120
• T13
• T130
• T138
• T14
• T140
• T141
• T147
• T150
• T159
• T16
• T29
• T42
• T48
• T52
• T54
• T59
• T60
• Temp sens
• Torq mgmt req
• Tp sens sig
• Trans rly ctrl
• Trans rly out
• Trans temp sens
• Transmission control module (on right inner fender)
• Transmission control relay
• Transmission solenoid/ trs assembly (on transmission valve body)
• Trs t1
• Trs t1 sense
• Trs t2
• Trs t2 sense
• Trs t3
• Trs t3 sense
• Trs t41
• Trs t41 sense
• Trs t42
• Trs t42 sense
• Ud press
• Ud press sw
• Ud sol
• Ud sol ctrl
• Z112
• Z113
• Z114
• Z12

4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 2002

List of elements for 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 2002:

• (in breakout for crankshaft position sensor) s119
• (near breakout at right rear of engine compt)
• (near breakout for pcm conn c3)
• (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) throttle position sensor
• Automatic shut down relay (in pdc)
• B22
• Brake lamp switch (top of brake pedal arm)
• Ckp sens sig
• D21
• D25
• Data link connector (under left side of dash, near steering column)
• Diagnostic junction port (at bottom of steering column)
• F12
• F991
• For coil on plug 8) s112
• Fuel pump relay (in pdc)
• Fuse 10a
• Fused ign
• Fused ign sw
• G102 (right side of engine)
• G200 (below center floor console, near park brake)
• 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 (near breakout for fuel inj 7)
• S113 (near tcm)
• S114
• S116
• S120 (near breakout for pcm)
• S125
• S130 (in breakout at right rear of engine compt)
• S203
• S205
• S314 (near breakout at passenger door)
• Sci transmit
• Sec brake sw sig
• Sensor gnd
• Shifter assembly
• T41
• T99
• Torq mgmt req
• Tp sens sig
• Vss sig
• Z234
• Z300

TRUNK, TAILGATE, FUEL DOOR

Tailgate Release Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Tailgate Release Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (below left front seat)
• Fuse 15a
• G301
• Hot at all times
• Junction block (behind left side of dash)
• Liftgate flip-up push button switch (in liftgate)
• Liftgate flip-up release solenoid (in liftgate)
• Liftgate power lock motor (in liftgate)
• Limit switch
• Pnk
• Pnk pnk
• S402
• S403

WARNING SYSTEMS

Warning System Wiring Diagrams for Jeep Grand Cherokee Laredo 2002

List of elements for Warning System Wiring Diagrams for Jeep Grand Cherokee Laredo 2002:

• Air bag control module (near park brake)
• Auto
• Bag control module)
• Body control module
• Computer data lines system
• Courtesy lamp breakout)
• D25
• Diagnostic junction port (at bottom of steering column)
• Driver door lock motor/ ajar switch
• Driver door module (behind left front door panel)
• Fuse 10a
• Fused (b+)
• G200 (near air
• G26
• G300 (near right front seat)
• G301 (near left front seat)
• G52
• G74
• G75
• 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 liftgate ajar switch
• Left multi-function switch
• Left rear door power lock motor/ ajar switch
• Lf ajar
• Liftgate ajar
• Liftgate flip-up ajar
• Liftgate flip-up ajar switch
• Lr door ajar
• Off
• Park
• Passenger door lock motor/ ajar switch
• Passenger door module (behind right front door panel)
• Pci bus
• Pnk/ red
• Pnk/red
• R57
• R59
• Rear wiper motor
• Rf ajar
• Right liftgate ajar switch
• Right rear door lock motor/ ajar switch
• Rr door ajar
• S205
• S211
• S312 (near brake lamp switch breakout)
• S336
• S338 s338
• S356
• S357
• S402
• S405 (in breakout to rear wiper motor)
• Seat belt switch (integral to driver seat belt buckle)
• Seat belt warning
• Sentry key immobilizer module
• Sw sen
• Tan/ red
• Tan/red
• Z132
• Z234

WIPER/WASHER

Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 2002

List of elements for Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo 2002:

• (in trough near breakout for controller anti-lock brake) s134
• (in trough near breakout for left courtesy lamp) s212
• (left side of engine compartment) g106
• (near breakout for liftgate flip-up ajar switch) s402
• (near breakout for rear wiper motor) s403
• (near left front 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
• D25
• Data link connector (dlc) (partial) (under left side of dash, near steering column)
• Delay
• Detec- tion
• Diagnostic junction port (at bottom of steering column)
• F70
• Front washer pump (bottom of washer reservoir)
• Front wiper motor (on left side of firewall)
• Fuse 10a
• Fuse 15a
• G80
• Ground
• High
• Hot at all times
• Hot in acc or run
• Junction block (behind left side of dash)
• Lamp)
• Liftgate flip-up ajar sw
• Liftgate flip-up ajar switch (in liftgate)
• Low
• Mist switch
• Off
• Pci bus
• Pnk
• Power distribution center (at right front corner of engine compartment, next to battery)
• Q30
• Rain sensor (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 (in trough near breakout for controller anti-lock brake)
• S305 (in sill trough near breakout for 11 cavity white in-line connector left rear door)
• S337
• S405 (in breakout for rear wiper motor)
• Solid state
• Tan
• Tan/red
• V10
• V11
• V13
• V14
• V16
• V22
• V48
• V52
• V55
• Wash switch
• Washer fluid level switch (near bottom of washer fluid 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
• Z155
• Z309