1991 1999 ford explorer chilton User Manual

							
Chilton® Automotive Information Systems. © 2004 Thomson Delmar Learning.
HOW TO USE THIS BOOK
684 REMOVAL & INSTALLATION 
						

							
CRUISE CONTROL
Vacuum Controlled Systems
The vacuum controlled cruise control system consists of the following components: Control switches
· 
Servo (throttle actuator)
· 
Speed sensor
· 
Clutch switch (manual transmissions)
· 
Stoplamp switch
· 
Vacuum dump valve
· 
Amplifier assembly
· 
The throttle actuator is mounted in the engine compartment and is connected to the throttle linkage with an
actuator cable. The speed control amplifier regulates the throttle actuator to keep the requested speed. When
the brake pedal is depressed, an electrical signal from the stoplamp switch returns the system to stand-by
mode. The vacuum dump valve also mechanically releases the vacuum in the throttle actuator, thus releasing
the throttle independently of the amplifier control. This feature is used as a safety backup.
Vacuum controlled cruise control system componentsClick to enlarge
Electronic Systems
The electronic cruise control system consists of the following components: Control switches
· 
Servo/control unit (throttle actuator)
· 
CRUISE CONTROL 685 
						

							Speed sensor
· 
Stoplamp and deactivator switches
· 
The throttle actuator/control unit is mounted in the engine compartment and is connected to the throttle
linkage with an actuator cable. The control unit regulates the throttle actuator to keep the requested speed.
When the brake pedal is depressed, an electrical signal from the stoplamp and deactivator switches return the
system to stand-by mode. This system operates independently of engine vacuum, therefore no vacuum lines
are required.
Electronic cruise control system components-2.3L Ranger shown, others similar Click to enlarge
Chilton® Automotive Information Systems. © 2004 Thomson Delmar Learning. HOW TO USE THIS BOOK
686 Electronic Systems 
						

							
ENTERTAINMENT SYSTEMS
Radio Receiver/Tape Player
REMOVAL & INSTALLATION
Example of the special radio removal toolClick to enlarge
Exploded view of the radio mounting and wire connections. Note the rear support and the bracket that it attaches to Click to enlarge
Disconnect the negative battery cable.
1. 
On 1991-92 models, remove the finish panel from around the radio assembly.
2. 
ENTERTAINMENT SYSTEMS 687 
						

							To remove the radio, insert the removal tool prongs into the release clip access holes (arrows)
Push in approximately 1 inch (25.4mm) to release the retainer clips, then pull straight out to remove
Insert the radio removal tool T87P-19061-A or equivalent, into the radio face.
3. 
Press in 1 inch (25.4mm) to release the retaining clips, then using the tool as handles, pull the radio
out of the instrument panel.
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688 REMOVAL & INSTALLATION 
						

							Disconnect the antenna ...
... and the electrical wire harness plugs from the back of the radio
Disconnect the antenna and wiring connectors from the radio.
5. 
To install: Connect the wiring and slide the radio into the instrument panel. Ensure that the rear mounting
bracket is engaged on the mounting track in the panel.
6. 
If removed, install the finish panel
7. 
Connect the battery cable.
8. 
Check the operation of the radio.
9. 
Speakers
REMOVAL & INSTALLATION WARNING
Never operate the radio with one of the speakers disconnected. Damage to the radio can occur. HOW TO USE THIS BOOK
Speakers 689 
						

							
Door Mounted Speakers
Remove the door trim panel.
1. 
Remove the four speaker attaching screws.
2. 
Pull the speaker out from the door frame and disconnect the wire harness plug.
3. 
Installation is the reverse of the removal procedure.
4. 
To remove a door mounted speaker, first remove the door trim panel, then the four speaker attaching screws
Pull out gently on the speaker and disconnect the wire harness plug from it
Body Mounted Rear Speakers
On Ranger models, remove the four speaker grille attaching screws and remove the grille.
1. 
On Explorer/Mountaineer models, gently pry the speaker grille from the trim panel.
2. 
On SuperCab models, Remove the four speaker mounting screws.
3. 
Pull the speaker out from the trim panel and disconnect the wire harness plug.
4. 
Installation is the reverse of the removal procedure.
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690 REMOVAL & INSTALLATION 
						

							To remove a body mounted speaker, first remove the grille attaching screws ...
... then pull the grille from the trim panel
Remove the four speaker mounting screws ... HOW TO USE THIS BOOK
REMOVAL & INSTALLATION 691 
						

							... then pull the speaker out ...
... and disconnect the wire harness plug from the back
Chilton® Automotive Information Systems. © 2004 Thomson Delmar Learning. HOW TO USE THIS BOOK
692 REMOVAL & INSTALLATION 
						

							
WINDSHIELD WIPERS
Wiper Arm And Blade
REMOVAL & INSTALLATION
Front Wipers Raise the blade end of the arm off of the windshield.
1. 
Move the slide latch away from the pivot shaft. The wiper arm can now be removed from the shaft
without the use of any tools.
2. 
While holding the wiper arm off of the windshield, slide the latch out and away from the pivot shaft ...
... then lift it straight up and off of the shaft to remove
To install:
Be sure the wipers are in the parked position, and the blade assembly is in its correct position.
3. 
Push the main head over the pivot shaft.
4. 
Hold the main arm head onto the pivot shaft while raising the blade end of the wiper arm and push the
slide latch into the lock under the pivot shaft head.
5. 
WINDSHIELD WIPERS 693