1998 JEEP Wrangler

Jeep Wrangler Sahara 1998 - BUZZERS, RELAYS & TIMERS

Jeep Wrangler Sahara 1998 BUZZERS, RELAYS & TIMERS

Component	Component Location
ABS Pump Motor Relay	In power distribution center. See Fig. 2 .
ABS System Relay	In power distribution center. See Fig. 2 .
A/C Compressor Clutch Relay	In power distribution center. See Fig. 2 .
Automatic Shut Down Relay	In power distribution center. See Fig. 2 .
Blower Motor Relay	Behind right side of dash, on HVAC module.
Cigar Lighter/Accessory Relay	At left kick panel.
Combination Flasher	Under left side of dash.
Engine Starter Motor Relay	In power distribution center. See Fig. 2 .
Fog Lamp Relay No. 1	Under right side of dash.
Fog Lamp Relay No. 2	Under right side of dash.
Fuel Pump Relay	In power distribution center. See Fig. 2 .
Horn Relay	In power distribution center. See Fig. 2 .
Radiator Fan Relay	In power distribution center. See Fig. 2 .
Rear Window Defogger Relay	In power distribution center. See Fig. 2 .

Jeep Wrangler Sahara 1998 - CIRCUIT PROTECTION DEVICES

Jeep Wrangler Sahara 1998 CIRCUIT PROTECTION DEVICES

Component	Component Location
ABS Diode	Under center of dash panel.
Fuse Block	Under right side of dash.
Power Distribution Center	On right side of engine compartment, on inner fender panel. See Fig. 3 .

Jeep Wrangler Sahara 1998 - CONTROL UNITS

Jeep Wrangler Sahara 1998 CONTROL UNITS

Component	Component Location
Air Bag Control Module	Front of floor pan tunnel.
Controller Anti-Lock Brake	Top left of dash panel.
Daytime Running Lamp (DRL) Module	In rear of engine compartment, on firewall. See Fig. 7 .
Fuel Pump Module	On fuel tank.
Hydraulic Control Unit	Left fender side shield.
Powertrain Control Module	In right rear of engine compartment, on firewall. See Fig. 4 .
Smart Key Immobilizer Module (SKIM)	On steering column, near ignition lock cylinder.

Jeep Wrangler Sahara 1998 - MOTORS

Jeep Wrangler Sahara 1998 MOTORS

Component	Component Location
ABS Pump Motor	Left fender side shield.
Blower Motor	On right rear of engine compartment. See Fig. 4 .
Idle Air Control Motor (2.5L)	On side of throttle body assembly. See Fig. 8 .
Idle Air Control Motor (4.0L)	On side of throttle body assembly. See Fig. 9 .
Rear Washer Pump Motor	Under washer fluid reservoir. See Fig. 6 .
Rear Wiper Motor	Inside of liftglass.
Windshield Washer Pump Motor	Under washer fluid reservoir. See Fig. 6 .
Windshield Wiper Motor	Left center of firewall.

Jeep Wrangler Sahara 1998 - SENDING UNITS & SENSORS

Jeep Wrangler Sahara 1998 SENDING UNITS & SENSORS

Component	Component Location
ABS Wheel Speed Sensors	At each respective wheel assembly.
Battery Temperature Sensor	On bottom of battery tray. See Fig. 5 .
Camshaft Position Sensor	Inside ignition distributor assembly. See Fig. 10 .
Crankshaft Position Sensor	On transmission bellhousing, at left rear side of engine block. See Fig. 11 .
Downstream Heated Oxygen Sensor	On rear of catalytic converter.
Engine Coolant Temperature Sensor (2.5L)	On thermostat housing. See Fig. 8 .
Engine Coolant Temperature Sensor (4.0L)	On thermostat housing. See Fig. 9 .
Engine Oil Pressure Sensor	Right side of engine block. See Fig. 10 .
Intake Air Temperature (IAT) Sensor (2.5L)	On intake manifold plenum, near throttle body. See Fig. 8 .
Intake Air Temperature (IAT) Sensor (4.0L)	On intake manifold plenum, near throttle body. See Fig. 9 .
Manifold Absolute Pressure (MAP) Sensor (2.5L)	On side of throttle body assembly. See Fig. 8 .
Manifold Absolute Pressure (MAP) Sensor (4.0L)	On side of throttle body assembly. See Fig. 9 .
Throttle Position (TP) Sensor (2.5L)	On throttle body assembly. See Fig. 8 .
Throttle Position (TP) Sensor (4.0L)	On throttle body assembly. See Fig. 9 .
Upstream Heated Oxygen Sensor	On exhaust downpipe.
Vehicle Speed Sensor (VSS)	On extension housing of transfer case. See Fig. 1 .

Jeep Wrangler Sahara 1998 - SOLENOIDS & SOLENOID VALVES

Jeep Wrangler Sahara 1998 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Duty Cycle EVAP/Purge Solenoid	On left fender side shield.
Shift Interlock	Left side of steering column.
Torque Converter Clutch Solenoid	On transmission valve body.

Jeep Wrangler Sahara 1998 - SWITCHES

Jeep Wrangler Sahara 1998 SWITCHES

Component	Component Location
A/C Cycling Switch	On A/C accumulator.
A/C High Pressure Switch	On A/C compressor discharge line.
Acceleration Switch	In front of console/shifter, mounted to bracket on floor pan.
Back-Up Lamp Switch	On right side of transmission.
Brake Warning Switch	On brake master cylinder. See Fig. 3 .
Clutch Pedal Position Switch Or Jumper	Top of brake pedal bracket.
Four Wheel Drive Switch	On transfer case. See Fig. 1 .
G-Switch	Front of floor pan tunnel.
Park Brake Switch	On park brake mechanism.
Park/Neutral Position Switch	On left side of transmission. See Fig. 10 .
Power Steering Pressure Switch (2.5L)	Behind power steering pump. See Fig. 8 .
Seat Belt Switch	In driver's seat belt buckle.
Stoplamp Switch	Top of brake pedal bracket.

Jeep Wrangler Sahara 1998 - MISCELLANEOUS

Jeep Wrangler Sahara 1998 MISCELLANEOUS

Component	Component Location
Blower Motor/Resistor Block	Under right side of dash, on HVAC module.
Data Link Connector (DLC)	Bottom left side of dash.
Leak Detect Module	In left side of engine compartment, near EVAP canister.

Jeep Wrangler Sahara 1998 - CONNECTORS

Jeep Wrangler Sahara 1998 CONNECTORS LOCATION

Component	Location
C103 (Black, 14 Pin)	At right side of firewall. See Fig. 3 .
C104 (Black, 10 Pin)	On rear of engine. See Fig. 3 .
C106 (Black, 12 Pin)	At left kick panel.
C107 (Yellow, 14 Pin)	At left kick panel.
C108 (Blue, 14 Pin)	At left kick panel.
C110 (Black, 14 Pin)	At left front fender side shield. See Fig. 3 .
C122 (Black, 4 Pin)	At left front fender side shield.
C125 (Black, 4 Pin)	At right front fender side shield.
C154 (Black, 4 Pin)	On left side of transmission.
C170 (Gray, 6 Pin)	At left kick panel.
C202 (Gray, 12 Pin)	At left kick panel.
C203 (Green, 14 Pin)	At left kick panel.
C204 (Red, 14 Pin)	At left kick panel.
C211 (Black, 6 Pin)	Behind lower right side of dash.
C300 (A/T) (Black, 2 Pin)	At top of brake pedal bracket.
C322 (Black, 10 Pin)	Behind lower left side of dash.
C323 (Red, 10 Pin)	At left kick panel.
C325 (4 Speaker) (Black/White, 6 Pin)	At left side of sound bar.
C326 (Hard Top) (Black, 10 Pin)	At left rear quarter panel.

Jeep Wrangler Sahara 1998 - GROUNDS

Jeep Wrangler Sahara 1998 GROUNDS LOCATION

Component	Location
G100	On left side of firewall. See Fig. 3 .
G101	On center of firewall. See Fig. 3 .
G102	On left side of radiator closure panel.
G103	On left side of firewall. See Fig. 3 .
G104	Near rear of generator.
G105	On right rear of engine block. See Fig. 10 .
G106	On right rear of engine block. See Fig. 10 .
G107	On right rear of engine block. See Fig. 10 .
G200	Behind left end of dash.
G201	Behind right end of dash.
G300	At left kick panel.
G301	At right kick panel.

Jeep Wrangler Sahara 1998 - SPLICES

Jeep Wrangler Sahara 1998 SPLICES LOCATION

Component	Location
S100	Near power distribution center. See Fig. 3 .
S101	Near breakout to C103, on right side of firewall. See Fig. 3 .
S102	Near breakout to C103, on right side of firewall. See Fig. 3 .
S103	Near breakout to C104, on firewall. See Fig. 3 .
S104	At left end of firewall. See Fig. 3 .
S105	At left end of firewall. See Fig. 3 .
S106	On left side of firewall, above brake booster. See Fig. 3 .
S107	At left end of firewall. See Fig. 3 .
S108	Near power distribution center. See Fig. 3 .
S109	Near breakout to underhood light, on center of firewall. See Fig. 3 .
S110	Near breakout to G100, on center of firewall. See Fig. 3 .
S111	Near breakout to G100, on center of firewall. See Fig. 3 .
S112	Near breakout to controller anti-lock brake.
S113	Near breakout to controller anti-lock brake.
S114	At left end of firewall, near breakout to ABS pump motor. See Fig. 3 .
S116	Near breakout to horn No. 1.
S117	Near breakout to left park/turn signal light.
S118	Near breakout to left headlight.
S119	At left side of radiator closure panel.
S121	Near breakout to left park/turn signal light.
S122	Near breakout to left park/turn signal light.
S124	Near breakout to right park/turn signal light.
S125	Near breakout to right park/turn signal light.
S126 (2.5L)	Between fuel injector No. 2 & No. 3. See Fig. 8 .
S126 (4.0L)	Between fuel injector No. 2 & No. 3. See Fig. 9 .
S127 (2.5L)	Near breakout to IAC motor. See Fig. 8 .
S127 (4.0L)	Near breakout to IAC motor. See Fig. 9 .
S128 (2.5L)	Near breakout to fuel injector No. 4. See Fig. 8 .
S128 (4.0L)	Near breakout to fuel injector No. 6. See Fig. 9 .
S129 (2.5L)	Near breakout to fuel injector No. 4. See Fig. 8 .
S129 (4.0L)	Near breakout to fuel injector No. 6. See Fig. 9 .
S130	At right rear of cylinder head. See Fig. 10 .
S131	At right rear of cylinder head. See Fig. 10 .
S132 (2.5L)	At right rear of cylinder head. See Fig. 10 .
S132 (4.0L)	At right side of transmission. See Fig. 10 .
S133	At right side of transmission. See Fig. 10 .
S134	Near breakout to camshaft position sensor. See Fig. 10 .
S135	Near breakout to park/neutral position switch. See Fig. 10 .
S140	Near breakout to duty cycle EVAP purge solenoid.
S141	Near breakout to left front foglight.
S142	Near breakout to right park/turn signal light.
S143	Near breakout to left park/turn signal light.
S144	Near breakout to right park/turn signal light.
S146	Near breakout to C104.
S147	Near breakout to C103.
S202	Behind lower center of dash.
S204	Behind lower center of dash.
S206	Behind lower center of dash.
S207	Behind center of dash, near breakout to cigar lighter.
S209	Behind center of dash, near breakout to radio.
S301	Near grommeted breakout to left door ajar switch, above left kick panel.
S302	Near grommeted breakout to windshield wiper motor.
S303	Near grommeted breakout to windshield wiper motor.
S304	Above brake pedal bracket.
S305	In breakout to combination flasher.
S306	Behind upper center of dash.
S307	Behind upper center of dash.
S309	At front of left rear wheelwell.
S310	At left rear quarter panel, near body grommet.
S311	Near left taillight connector.
S312	Near left taillight connector.
S313	At front of left rear wheelwell.
S314	At front of left rear wheelwell.
S320	Near breakout to C104.
S400	Near rear wiper motor connector.
S401	Near rear wiper motor connector.