1997 JEEP Grand Cherokee

Jeep Grand Cherokee Laredo 1997 - BUZZERS, RELAYS & TIMERS

Jeep Grand Cherokee Laredo 1997 BUZZERS, RELAYS & TIMERS

Component	Component Location
ABS Main Relay	In power distribution center.
A/C Compressor Clutch Relay	In power distribution center.
Auto Headlamp Relay	In junction block, at right kick panel.
Automatic Shut Down Relay	In power distribution center.
Cigar Lighter Relay	In junction block, at right kick panel.
Courtesy Lamp Relay	In junction block, at right kick panel.
Electronic Flasher (Turn Signal/Hazard)	In junction block, at right kick panel.
Engine Starter Motor Relay	In power distribution center.
Fog Lamp Relay	In junction block, at right kick panel.
Fuel Pump Relay	In power distribution center.
Horn Relay	In power distribution center.
High Speed Blower Motor Relay	Right side of HVAC plenum.
Intermittent Wiper Relay	In power distribution center.
Park Lamp Relay	In junction block, at right kick panel.
Power Antenna Relay	In junction block, at right kick panel.
Rear Window Defogger Relay	In junction block, at right kick panel.
Trailer Tow Left Turn Relay	Behind right rear quarterpanel.
Trailer Tow Right Turn Relay	Behind right rear quarterpanel.
Trailer Tow Stop Lamp Relay	Behind right rear quarterpanel.
Transmission Control Relay	In power distribution center.

Jeep Grand Cherokee Laredo 1997 - CIRCUIT PROTECTION DEVICES

Jeep Grand Cherokee Laredo 1997 CIRCUIT PROTECTION DEVICES

Component	Component Location
ABS Diode	Behind left side of dash, taped to harness.
Circuit Breaker (Power Seat)	In junction block, at right kick panel.
Circuit Breaker (Power Window)	In junction block, at right kick panel.
Circuit Breaker (Trailer Tow)	At right rear quarterpanel.
Circuit Breaker (Windshield Wiper)	In junction block, at right kick panel.
Junction Block	Under right side of dash, on kick panel.
Power Distribution Center	On right inner fender panel, behind battery. See Fig. 2.

Jeep Grand Cherokee Laredo 1997 - CONTROL UNITS

Jeep Grand Cherokee Laredo 1997 CONTROL UNITS

Component	Component Location
Air Bag Control Module	Under center console, near base of parking brake lever.
Automatic Temperature Control Module	Left side of HVAC plenum.
Blower Power Module	On HVAC plenum.
Body Control Module	Behind lower left side of dash.
Controller Anti-Lock Brake (CAB)	Attached to Hydraulic Control Unit (HCU). See Fig. 1.
Daytime Running Lamp (DRL) Module	On right inner fender panel, below power distribution center. See Fig. 2.
Driver Door Module	In left front door.
Fuel Pump Module	In fuel tank.
Graphic Display Module	Rear of vehicle information center.
Hydraulic Control Unit (ABS)	In left side of engine compartment, below brake master cylinder. See Fig. 1.
Lamp Outage Module	On left rear of vehicle, near bottom of liftgate opening.
Memory Seat Module	Under driver's seat.
Passenger Door Module	In right front door.
Powertrain Control Module (PCM)	On right rear of engine compartment, near A/C receiver-drier. See Fig. 2.
Seat Heater Control Module (Driver's)	Under driver's seat.
Seat Heater Control Module (Passenger's)	Under passenger's seat.
Speed Proportional Steering Control Module	Top left corner of dash panel.
Sun Roof Control Module	Rear of sun roof.

Jeep Grand Cherokee Laredo 1997 - MOTORS

Jeep Grand Cherokee Laredo 1997 MOTORS

Component	Component Location
ABS Pump Motor	Left side of engine compartment. See Fig. 1.
Blend Air Door Motor	On bottom of HVAC unit.
Blower Motor (A/C-Heater)	Right side of HVAC plenum.
Evaporative System Leak Detection Pump	Front of left fender side shield. See Fig. 1.
Idle Air Control Motor (4.0L)	On throttle body assembly. See Fig. 3.
Idle Air Control Motor (5.2L)	On throttle body assembly. See Fig. 5.
Mode Door Motor	Left side of HVAC unit.
Recirculation Door Motor	Top of HVAC unit.
Washer Pump Motors (Front & Rear)	On bottom of washer fluid reservoir, in engine compartment.
Windshield Wiper Motor (Front)	Center of firewall.
Wiper Motor (Rear)	Behind panel, on center of liftgate.

Jeep Grand Cherokee Laredo 1997 - SENDING UNITS & SENSORS

Jeep Grand Cherokee Laredo 1997 SENDING UNITS & SENSORS

Component	Component Location
Air Bag Sensors	On left & right front of vehicle.
Ambient Temperature Sensor	On radiator center support.
Auto Headlamp Lamp Sensor (VTSS LED)	Top of dash.
Battery Temperature Sensor	Below battery tray.
Camshaft Position Sensor (4.0L)	Inside ignition distributor assembly. See Fig. 4.
Crankshaft Position Sensor	On transmission bellhousing.
Downstream Heated Oxygen Sensor (4.0L)	In rear of catalytic converter.
Downstream Heated Oxygen Sensor (5.2L)	In rear of catalytic converter.
Engine Coolant Level Sensor	Right rear corner of engine compartment.
Engine Coolant Temperature Sensor (4.0L)	On thermostat housing. See Fig. 3.
Engine Coolant Temperature Sensor (5.2L)	On intake manifold, near thermostat housing. See Fig. 6.
In-Car Temperature Sensor	Center top of dash.
Intake Air Temperature (IAT) Sensor (4.0L)	On intake manifold. See Fig. 3.
Intake Air Temperature (IAT) Sensor (5.2L)	On intake manifold. See Fig. 6.
Left Front Wheel Speed Sensor	On left front wheel assembly. See Fig. 1.
Low Washer Fluid Level Sensor	Bottom of windshield washer fluid reservoir.
Manifold Absolute Pressure (MAP) Sensor (4.0L)	On throttle body assembly.
Manifold Absolute Pressure (MAP) Sensor (5.2L)	On throttle body assembly. See Fig. 5.
Oil Pressure Sensor (4.0L)	Near distributor. See Fig. 4.
Oil Pressure Sensor (5.2L)	Near distributor.
Output Shaft Speed Sensor	Left side of transmission.
Rear Wheel Speed Sensors	On each respective rear wheel assembly.
Right Wheel Speed Sensor	On right front wheel assembly. See Fig. 2.
Solar Sensor	Above glove box.
Speed Proportional Steering Sensor	On power steering pump. See Fig. 1.
Steering Wheel Speed Sensor	On steering wheel.
Throttle Position (TP) Sensor (4.0L)	On throttle body assembly. See Fig. 3.
Throttle Position (TP) Sensor (5.2L)	On throttle body assembly. See Fig. 5.
Upstream Heated Oxygen Sensor (4.0L)	In left side of engine compartment, in exhaust pipe. See Fig. 3.
Upstream Heated Oxygen Sensor (5.2L)	Right rear of engine compartment, in exhaust pipe.
Vehicle Speed Sensor (VSS)	Rear of transfer case.

Jeep Grand Cherokee Laredo 1997 - SOLENOIDS & SOLENOID VALVES

Jeep Grand Cherokee Laredo 1997 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Duty Cycle EVAP/Purge Solenoid	Left front corner of engine compartment. See Fig. 1.
Transmission Solenoid Assembly	On left side of transmission.
Vehicle Speed Control Servo	On right fender side shield. See Fig. 2.

Jeep Grand Cherokee Laredo 1997 - SWITCHES

Jeep Grand Cherokee Laredo 1997 SWITCHES

Component	Component Location
A/C High Pressure Switch (4.0L)	On A/C compressor. See Fig. 4.
A/C High Pressure Switch (5.2L)	On A/C compressor. See Fig. 6.
A/C Low Pressure Switch	On right side of engine compartment, on A/C accumulator. See Fig. 2.
Brake Warning Switch	Near brake master cylinder. See Fig. 1.
Four Wheel Drive (4WD) Switch	On top center of transfer case.
G-Switch	Below right rear seat.
Hood Switch (Anti-Theft System)	On right inner fender panel, near battery.
Park Brake Switch	Under center console, at base of park brake lever.
Park/Neutral Position Switch	On left side of transmission.
Seat Belt Switch	In driver's seat belt buckle.
Stop Lamp Switch	Top of brake pedal arm.

Jeep Grand Cherokee Laredo 1997 - MISCELLANEOUS

Jeep Grand Cherokee Laredo 1997 MISCELLANEOUS

Component	Component Location
Blower Motor Resistor Block	Right side of HVAC plenum.
Data Link Connector (DLC)	Lower left of dash.
Factory Trailer Tow Connector	On trailer hitch.
Power Amplifier (Radio System)	Below right rear seat.

Jeep Grand Cherokee Laredo 1997 - CONNECTORS

Jeep Grand Cherokee Laredo 1997 CONNECTORS

Component	Location
C102 (Black, 3 Pin)	At rear of foglight.
C119 (Black, 4 Pin)	At lower left side of engine. See Fig. 3.
C131 (Black, 10 Pin)	At right rear corner of engine compartment, near PCM. See Fig. 2.
C132 (Black, 10 Pin)	At right rear corner of engine compartment, near PCM. See Fig. 2.
C144 (Black, 10 Pin)	Below power distribution center.
C145 (Black, 6 Pin)	At ignition coil. See Fig. 6.
C150 (Black, 3 Pin)	At rear of foglight.
C159 (Black, 2 Pin)	At right rear corner of engine compartment. See Fig. 2.
C160 (Black, 2 Pin)	At right corner of dash.
C170 (Black, 4 Pin)	At transmission solenoid.
C206 (Black, 16 Pin)	On front of HVAC unit.
C212 (Red, 2 Pin)	At center of dash.
C231 (White, 6 Pin)	On front of HVAC unit.
C233 (Black, 4 Pin)	Lower left side of dash, in connector bracket.
C234 (White, 20 Pin)	Lower left side of dash, in connector bracket.
C235 (Black, 20 Pin)	Lower left side of dash, in connector bracket.
C236 (White, 18 Pin)	Lower left side of dash, in connector bracket.
C300 (Yellow, 2 Pin)	Lower left side of dash.
C301 (Natural, 4 Pin)	Lower left side of dash, in connector bracket.
C302 (White, 8 Pin)	Lower left side of dash, in connector bracket.
C304 (Gray, 4 Pin)	Lower left side of dash.
C305 (Black, 14 Pin)	Lower left side of dash, in connector bracket.
C307 (Black, 14 Pin)	Lower left side of dash, in connector bracket.
C309 (Gray, 3 Pin)	In left rear door.
C316 (Black, 10 Pin)	In left rear quarterpanel, near bottom of liftgate opening.
C320 (Gray, 6 Pin)	In right rear quarterpanel, near bottom of liftgate opening.
C321 (Black, 6 Pin)	In liftgate.
C322 (Green, 2 Pin)	In liftgate.
C323 (Gray, 3 Pin)	In liftgate.
C324 (Black, 6 Pin)	In liftgate.
C325 (Black, 2 Pin)	In liftgate.
C326 (Gray, 3 Pin)	In liftgate.
C328 (Gray, 6 Pin)	In left rear quarterpanel, near bottom of liftgate opening.
C329 (Black, 6 Pin)	Below left rear passenger seat.
C330 (Gray, 3 Pin)	In right rear door.
C331 (Black, 10 Pin)	In right rear quarterpanel.
C334 (Black, 14 Pin)	In left front door.
C335 (Black, 4 Pin)	Below left rear passenger seat.
C343 (Black, 8 Pin)	In left rear door.
C345 (Black, 8 Pin)	In right rear door.
C351 (Gray, 14 Pin)	In right front door.
C353 (Black, 2 Pin)	In left front door.
C359 (Black, 2 Pin)	In liftgate.
C364 (Black, 2 Pin)	In liftgate.
C371 (Black, 4 Pin)	Near top of right "B" pillar.
C372 (Black, 10 Pin)	In left rear quarterpanel.

Jeep Grand Cherokee Laredo 1997 - GROUNDS

Jeep Grand Cherokee Laredo 1997 GROUNDS

Component	Location
G100	At right fender side shield.
G101 (4.0L)	At right side of engine.
G101 (5.2L)	Below generator.
G103 (4.0L)	At right side of engine.
G103 (5.2L)	Below generator.
G104 (4.0L)	At right side of engine.
G104 (5.2L)	Below generator.
G105 (4.0L)	At right side of engine.
G105 (5.2L)	Below A/C compressor.
G106	At right fender side shield.
G107	At right fender side shield.
G108	At front of left fender side shield. See Fig. 1.
G109	At front of left fender side shield. See Fig. 1.
G300	At right rear quarterpanel.
G301	At rear of passenger seat.
G302	On floor pan to rear of driver seat.
G303	On floor pan to rear of driver seat.
G304	On floor pan to rear of driver seat.
G305	On floor pan to rear of driver seat.

Jeep Grand Cherokee Laredo 1997 - SPLICES

Jeep Grand Cherokee Laredo 1997 SPLICES

Component	Location
S100	Near power distribution center. See Fig. 2.
S101	Near breakout for battery temperature sensor. See Fig. 2.
S102	Near breakout for battery temperature sensor. See Fig. 2.
S103	Near breakout for battery temperature sensor. See Fig. 2.
S104	At right front corner of engine compartment. See Fig. 2.
S105	At right front of engine compartment. See Fig. 2.
S106	At right front corner of engine compartment. See Fig. 2.
S107	At left front corner of engine compartment. See Fig. 1.
S108	At left front corner of engine compartment. See Fig. 1.
S109	Near breakout for EVAP purge solenoid. See Fig. 1.
S116	Near branch to brake warning system. See Fig. 1.
S117	In branch to brake warning system. See Fig. 1.
S118	In branch to brake warning system. See Fig. 1.
S119	At left rear of engine compartment. See Fig. 1.
S120	Near breakout to low washer fluid level sensor. See Fig. 1.
S121	Near breakout to low washer fluid level sensor. See Fig. 1.
S122	Near breakout to vehicle speed control servo. See Fig. 2.
S123	Near breakout to vehicle speed control servo. See Fig. 2.
S124	Near breakout to vehicle speed control servo. See Fig. 2.
S125	Near anti-lock brake controller.
S126 (4.0L)	Near breakout to A/C high pressure switch.
S126 (5.2L)	In branch to starter motor.
S127 (4.0L)	Near breakout to injector No. 3. See Fig. 3.
S128 (4.0L)	Near breakout for injector No. 5. See Fig. 3.
S128 (5.2L)	At right top of engine. See Fig. 6.
S129 (4.0L)	At rear of engine. See Fig. 4.
S129 (5.2L)	Near breakout for injector No. 3. See Fig. 5.
S130 (4.0L)	At rear of engine. See Fig. 4.
S130 (5.2L)	Near breakout for crankshaft position sensor. See Fig. 5.
S131 (4.0L)	In branch to transmission. See Fig. 4.
S131 (5.2L)	At right rear of engine.
S132 (4.0L)	In branch to transmission.
S132 (5.2L)	At rear of engine.
S133 (4.0L)	In breakout to oil pressure sensor & crankshaft position sensor.
S133 (5.2L)	Near breakout for injector No. 5. See Fig. 5.
S134 (4.0L)	Near branch for powertrain control module. See Fig. 4.
S134 (5.2L)	At rear of engine.
S135 (4.0L)	Near branch for powertrain control module. See Fig. 4.
S135 (5.2L)	At right rear of engine.
S136 (5.2L)	Near breakout for injector No. 7. See Fig. 5.
S200	Near breakout for headlight switch.
S201	Near breakout for headlight switch.
S202	Near breakout for stoplight switch.
S203	Near breakout for stoplight switch.
S204	Near branch for instrument cluster.
S205	Near branch for instrument cluster.
S206	Near branch to rear window defogger switch.
S207	Near breakout to shift interlock.
S208	Near branch to shift interlock breakout.
S209	Near branch to shift interlock breakout.
S210	Near breakout to transfer case illumination light.
S211	Near branch to graphic display module/vehicle information center.
S212	Near breakout to passenger air bag.
S214	Near breakout to passenger air bag.
S215	Near breakout to passenger air bag.
S216	Near breakout to passenger air bag.
S218	Near breakout to passenger air bag.
S219	Near branch to graphic display module/vehicle information center.
S220	Near breakout to passenger air bag.
S221	On HVAC harness.
S222	On HVAC harness.
S223	On HVAC harness.
S224	On HVAC harness.
S225	On HVAC harness.
S226	On HVAC harness.
S300	Near left kick panel.
S301	Near left kick panel.
S302	Near left kick panel.
S303	Near branch to floor console.
S304	Near branch to floor console.
S305	Near branch to left rear door.
S306	Near branch to left rear door.
S307	Near branch to left rear door.
S308	Near branch to power amplifier.
S309	In branch to power amplifier.
S310	Near branch to power amplifier.
S311	At left rear quarterpanel.
S312	At left rear quarterpanel.
S313	At left rear quarterpanel.
S314	At top of left rear quarterpanel.
S315	At top of left rear quarterpanel.
S316	Near right side breakout for liftgate.
S317	In branch to power amplifier.
S318	In branch to power amplifier.
S319	Near branch to right rear door ajar switch.
S320	In branch to reading/dome light.
S321	Between day/night mirror breakout & right vanity mirror breakout.
S322	Between day/night mirror breakout & right vanity mirror breakout.
S323	Near breakout for day/night mirror.
S324	In left front door, between breakout for power window motor & breakout for power mirror.
S325	In right front door, near power window motor breakout.
S326	In right front door, near power window motor breakout.
S327	In right front door, near power window motor breakout.
S328	In liftgate, near breakout for rear window defogger.
S329	In liftgate, near breakout for rear wiper motor.
S330	In factory trailer tow harness, near body harness connector.
S331	In factory trailer tow harness, near trailer receptacle harness connector.
S332	In liftgate, near left body connectors.
S333	Near breakout for right power seat.
S334	In branch to dome reading light.
S335	In branch to power amplifier.
S336	In liftgate, between rear wiper motor breakout & liftgate lock motor breakout.
S400	In left power seat harness, near breakout for lumbar motor.
S401	In left power seat harness, riser motor sensor breakout.
S402	In left power seat harness, between riser motor sensor breakout & heated seat module breakout.
S403	In left power seat harness, near seat switch breakout.
S404	In right power seat harness, near seat motor breakouts.
S405	In right power seat harness, near seat motor breakouts.
S406	In right power seat harness, in branch to seat switch.
S407	In left power seat harness, near lumbar motor breakout.
S408	Near left front turn signal bulb socket.
S409	Near left front turn signal bulb socket.
S410	Near left front turn signal bulb socket.
S411	In left taillight harness, between body connector & grommet.
S412	In left taillight harness, between body connector & grommet.
S413	Near right front turn signal bulb socket.
S414	Near right front turn signal bulb socket.
S415	Near right front turn signal bulb socket.
S416	In right taillight harness, between body connector & grommet.
S417	In right taillight harness, between body connector & grommet.
S418	In license plate light harness.
S419	In license plate light harness.