1988 JEEP CHEROKEE Service Repair Manual

Oxygen Sensor (Graphic 1) In exhaust manifold, near
exhaust pipe flange.
Oxygen Sensor (Graphic 2) In exhaust manifold, near
exhaust pipe flange.
Road Speed Sensor Under instrument cluster, in

speedometer cable.
Throttle Position Sensor
(TPS) (Graphic 1) On throttle body.
Throttle Position Sensor
(TPS) (Graphic 2) On throttle body.

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SOLENOIDS & SOLENOID VALVES









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Component Component Location
Air Diverter Solenoid On right rear side of engine
compartment.
EGR/Evaporator
Canister Solenoid On middle of right front
wheelwell.
Idle Step-Up Solenoid On top fuel injection pump
bracket.

Mixture Control Solenoid On carburetor, near fuel
line.
Shift Kicker Solenoid On left front wheelwell.









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SWITCHES









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Component Component Location
A/C Low Pressure Switch On top left side of radiator.

Automatic Load Leveling Sw. On compressor bracket, in
engine compartment.
Back-Up Light Sw. (Man. Trans.) On left side of transmission
case.
Back-Up/Neutral Sw. (Auto. Trans.) On left side of transmission
case.
Brake/Stop Light (Cruise) Switch On brake pedal bracket.
Brake Warning Switch On brake pressure differential
valve, below master cylinder.
Closed Throttle (Idle) Switch An integral part of ISA motor.\
Command Track Switch On left side of transmission.
Parking Brake Switch Under center console, at base
of parking brake lever.

Power Steering
Switch (4-Cyl.) On left side of power steering
pump.
Seat Belt Switch In driver's seat belt buckle.
Select Trac Switch On left side of transmission.

WOT Switch On bracket, with ISA motor.
4WD Indicator Light Switch In right rear corner of engine
compartment.









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MISCELLANEOUS COMPONENTS









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Component Component Location
A/C Blocking Diode Taped to engine wiring
harness, above left wheelwell.
A/C Clutch Diode On A/C compressor.
A/C-Heater Blower
Motor Resistors Under right side of dash, on
evaporator housing.