ELECTRICAL COMPONENT LOCATOR 1989-90 ELECTRICAL COMPONENTS LOCATIONS Jeep - Electrical Components

Jeep Grand Wagoneer 1990 - BUZZERS, RELAYS & TIMERS

Jeep Grand Wagoneer 1990 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C-Heater Blower Motor Relay	Taped to harness, behind center of dash. See Fig. 1 .
Defogger Timer	Inside tailgate.
Fog Light Relay	At front of left fender panel.
Hazard Flasher Relay	On fuse/relay block. See Fig. 2 .
Horn Relay	Taped to harness, above fuse/relay block. See Fig. 1 .
Power Door Lock Relays	Behind dash, under right side of instrument panel.
Radio Illumination Relay	Taped to harness, behind left side of glove box. See Fig. 1 .
Starter Relay	On rear of right fender panel.
Trailer/Tow Relay (1990 Only)	Behind rear crossmember, near trailer hitch.
Turn Signal Flasher Relay	On fuse/relay block. See Fig. 2 .

Jeep Grand Wagoneer 1990 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C-Heater Blower Thermal Fuse	On A/C-heater resistor.
Circuit Breakers	On fuse/relay block. See Fig. 2 .
Cruise Control In-Line Fuse	Under left side of dash, near brake pedal.
Fuse/Relay Block	Under left side of dash. See Fig. 1 .
Fusible Links	At rear of right fender panel.

Jeep Grand Wagoneer 1990 CONTROL UNITS LOCATION

Component	Location
A/C Electronic Control Module (ECM)	Under dash, above accelerator pedal.
Chime Module	On bracket, at top of fuse/relay block. See Fig. 1 .
Ignition Control Module	On left fender panel, under hood hinge.
Keyless Entry Module	In overhead console.
Low Fuel Warning Module	In instrument cluster, behind fuel and temperature gauges.

Jeep Grand Wagoneer 1990 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C Temperature Sensor	Behind dash, above A/C-heater controls.
Air Temperature Sensor	In air cleaner.
Coolant Temperature Sensor	In intake manifold, at front of engine.
Cruise Control Speed Sensor	In speedometer cable, in engine compartment.
Fuel Gauge Sending Unit	On top rear of fuel tank.
Oil Pressure Sending unit	On right side of engine block, next to oil filter.
Overhead Console Temp. Sensor	At rear of left headlight.

Jeep Grand Wagoneer 1990 MOTORS LOCATION

Component	Location
A/C-Heater Blower Motor	Under dash, on right side of A/C-heater housing.
Power Door Lock Motors	One inside each door.
Power Seat Motors	One under each front seat.
Rear Washer Motor	In reservoir, in engine compartment.
Rear Wiper Motor	Inside tailgate.
Windshield Washer Motor	In washer fluid reservoir.
Windshield Wiper Motor	At center of firewall.

Jeep Grand Wagoneer 1990 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Air Injection Solenoid	At center rear of engine compartment.
Carburetor Bowl Vent Solenoid	On left side of carburetor.
Carburetor Idle Speed Solenoid	On left side of carburetor.

Jeep Grand Wagoneer 1990 SWITCHES LOCATION

Component	Location
A/C Low Pressure Switch	In low pressure line, at right fender panel.
Back-Up/Neutral Switch	On left side of transmission.
Brake/Stop Light Switch	On brake pedal bracket.
Brake Warning Switch	Below master cylinder.
Parking Brake Switch	Under left side of dash.
Rear Wiper Lock-Out Switch	In tailgate.
Tailgate Window Safety Switch	In tailgate.
Thermo-Electric Switch	In air cleaner.
Wide Open Throttle (WOT) Switch	On carburetor linkage.
4WD Indicator Switch	On side of transfer case.

Jeep Grand Wagoneer 1990 MISCELLANEOUS LOCATION

Component	Location
A/C-Heater Blower Motor Resistor	Under dash, in A/C-heater housing.
Cruise Control Servo (1989)	On right front wheelwell.
Heater Blower Resistors	On heater core housing, in engine bay.
Intermittent Wiper Governor	Under left side of dash, above brake pedal.
Rear Defogger Diode	In wiring, at left lower corner of instrument panel.