Power windows, rear defogger and exterior mirror defogger quit working

You can see fuse, correct. With rear defogger turned on, use test light, see if any voltage at fuse or if fuse is blown? Also, check continuity on defogger grid, if no continuity, there is a break in the grid. If you can find the break, hopefully your local auto store has continuity paint that you can paint over the break to restore continuity.

Doesn't use a relay , controlled by lift gate control module . Your best bet , take it to a qualified repair shop .
Rear Window Defogger System Components
The rear window defogger system consist of the following components:
?€¢
HVAC control module

?€¢
Liftgate module (LGM)/endgate module (EGM)

?€¢
Rear window defogger grid

Rear Window Defogger Operation (With LGM)
Battery positive voltage is supplied through the LGM 2 fuse to the LGM for the rear window defogger system. When the rear window defogger switch is depressed, the HVAC control module illuminates the rear window defogger indicator, and sends a class 2 message to the LGM to enable the rear window defogger. The LGM enables the rear window defogger by allowing battery positive voltage to the rear window defogger.
When the rear window defogger switch is pressed for the first time, the defogger cycle lasts 10 minutes. Further operation results in 10 minute defogger cycles.
DTC B0283 Electric Rear Defrost Circuit - do you know what DTC'S - diagnostic trouble code's are ?
Circuit Description
The liftgate module (LGM)/endgate module (EGM) monitors the voltage level on the supply voltage circuit of the rear window defogger. The LGM/EGM test the supply voltage circuit of the rear window defogger every 160 milliseconds. With the rear window defogger inactive, the supply voltage circuit of the rear window defogger will have no voltage present. With the rear window defogger active, the supply voltage circuit of the rear window defogger will be near system voltage.

Your best bet , take it to a qualified repair shop .
SMART ENTRANCE CONTROL UNIT PFP:28596 Description EKS003A2 OUTLINE The smart entrance control unit totally controls the following body electrical system operations. ? Warning chime ? Rear window defogger and door mirror defogger ? Power door locks ? Remote keyless entry system ? Vehicle security system ? Interior lamp ? Battery saver control BATTERY SAVER CONTROL Interior Lamp/Map Lamp/Vanity Lamps The lamps turn off automatically when the interior lamp, map lamp or/and vanity lamps are illuminated with the ignition key in the OFF position, if the lamp remains lit by the door switch open signal or if the lamp switch is in the ON position for approximately 10 minutes. After lamps are turned off by the battery saver system, the lamps illuminate again when: ? Driver's door is locked or unlocked, ? Door is opened or closed, ? Key is inserted into or removed from the ignition key cylinder. Rear Window Defogger/Door Mirror Defogger Rear window defogger and door mirror defogger are turned off approximately 15 minutes after the rear window defogger switch is turned on. INPUT/OUTPUT

Warning chime Key switch (Insert) Ignition switch (ON) Lighting switch (1st or 2nd) Seat belt buckle switch LH Front door switch LH Warning chime (located in smart entrance control unit)

Nothing for you to remove ! Without a factory scan tool U can do nothing .
TIME CONTROL UNIT PFP:28491 Description (Without Power Door Locks) EKS003A6 OUTLINE The time control unit totally controls the following body electrical system operations. ? Warning chime ? Rear window defogger INPUT/OUTPUT System Input Output Warning chime Key switch (Insert) Ignition switch (ON) Lighting switch (1st or 2nd) Seat belt buckle switch LH Front door switch LH Warning chime (located in time control unit) Rear window defogger Ignition switch (ON) Rear window defogger switch Rear window defogger relay

SMART ENTRANCE CONTROL UNIT PFP:28596 Description EKS003A2 OUTLINE The smart entrance control unit totally controls the following body electrical system operations. ? Warning chime ? Rear window defogger and door mirror defogger ? Power door locks ? Remote keyless entry system ? Vehicle security system ? Interior lamp ? Battery saver control BATTERY SAVER CONTROL Interior Lamp/Map Lamp/Vanity Lamps The lamps turn off automatically when the interior lamp, map lamp or/and vanity lamps are illuminated with the ignition key in the OFF position, if the lamp remains lit by the door switch open signal or if the lamp switch is in the ON position for approximately 10 minutes. After lamps are turned off by the battery saver system, the lamps illuminate again when: ? Driver's door is locked or unlocked, ? Door is opened or closed, ? Key is inserted into or removed from the ignition key cylinder. Rear Window Defogger/Door Mirror Defogger Rear window defogger and door mirror defogger are turned off approximately 15 minutes after the rear window defogger switch is turned on.

Warning chime Key switch (Insert) Ignition switch (ON) Lighting switch (1st or 2nd) Seat belt buckle switch LH Front door switch LH Warning chime (located in smart entrance control unit)

Does it have power locks ?

TIME CONTROL UNIT PFP:28491 Description (Without Power Door Locks) EKS003A6 OUTLINE The time control unit totally controls the following body electrical system operations. ? Warning chime ? Rear window defogger INPUT/OUTPUT System Input Output Warning chime Key switch (Insert) Ignition switch (ON) Lighting switch (1st or 2nd) Seat belt buckle switch LH Front door switch LH Warning chime (located in time control unit) Rear window defogger Ignition switch (ON) Rear window defogger switch Rear window defogger relay

There may be a fuse in the fuse panel under dash, but defoggers are often found with a circuit breaker rather than a fuse. There may also be a relay in the circuit to the rear window. You could pull off the connector at the window, and with key on and defogger switch on, check for power at the connector. If you have power, one of the grid wires on the window may be broken. Kits are available to fix that.
If no power at the window, IDK, may have to find a wiring diagram, or have an electrician or mechanic start looking into it. Good luck.

check the supply that goes into the rear screen. that connector must have power when switch is "on". if got power, you need to change the window.....

There is a module that controls the rear window defogger grid . LGM/ EGM Liftgate or endgate module .Receive's message on class 2 serial data network from the HVAC control module to turn it on when button pressed . Fuse # 3 30 amp located in the rear fuse box . Do you know where the rear fuse box is ?
Rear Window Defogger Description and Operation
Rear Window Defogger System Components
The rear window defogger system consist of the following components:
• HVAC control module
• Liftgate module (LGM)/endgate module (EGM)
• Rear window defogger grid
Rear Window Defogger Operation (With LGM)
Battery positive voltage is supplied through the LGM 2 fuse to the LGM for the rear window defogger system. When the rear window defogger switch is depressed, the HVAC control module illuminates the rear window defogger indicator, and sends a class 2 message to the LGM to enable the rear window defogger. The LGM enables the rear window defogger by allowing battery positive voltage to the rear window defogger.
When the rear window defogger switch is pressed for the first time, the defogger cycle lasts 10 minutes. Further operation results in 10 minute defogger cycles.
Rear Window Defogger Operation (With EGM)
Battery positive voltage is supplied through the EGM 2 fuse to the EGM for the rear window defogger system. When the rear window defogger switch is depressed, the HVAC control module illuminates the rear window defogger indicator, and sends a class 2 message to the EGM to enable the rear window defogger. The EGM enables the rear window defogger by allowing battery positive voltage to the rear window defogger.
The following conditions must be met for rear window defogger to operate:
• The end gate glass position is not below the index position.
• The window express down movement is not requested.
• The window down movement is not requested.
If the end-gate glass is not fully closed, the DIC displays "Tailgate Glass Down" when the rear defogger operation is attempted.
When the rear window defogger switch is pressed for the first time, the defogger cycle lasts 10 minutes. Further operation results in 10 minute defogger cycles.

Fuse Block - Rear
Beneath the left rear seat

For the rear window, just need adjuts the both slightly...


Check the next procedure to Power Mirrors...

Diagnosis & Testing
The exterior mirror control switch receives power through circuit SBP12 (GN/RD) and ground through circuit GD143 (BK/VT). The exterior mirror control switch uses circuit CPM23 (GY) as the common circuit for both exterior mirror up/down and right/left movement.

1. Possible Causes:
   Fuse 12 (7.5A) (SJB) An open in circuits CPM23 (GY), SBP12 (GN/RD) or GD143 (BK/VT A short to ground in circuit CPM23 (GY) A short to voltage in circuit CPM23 (GY) Exterior mirror control switch.
2. Checking the voltage at the mirror switch:
   Key in OFF position. Disconnect: Exterior Mirror Control Switch C527. Key in ON position. Measure the voltage between ground and exterior mirror control switch C527-1, circuit SBP12 (GN/RD). Voltage should be greater than 10 volts.
3. If voltage is greater than 10 volts, check that fuse 12 (7.5A) is OK. If OK, REPAIR circuit SBP12 (GN/RD) for an open.
   

Exterior Mirror Motor Synchronization

NOTE This procedure must be performed any time the power folding mirrors are manually folded in or out, or if the position of the mirror case has been moved without using the mirror control switch.
NOTE If the power folding mirrors are folded or unfolded continuously (6 to 10 cycles), the power lockout feature will disable the system for 2 minutes to prevent damage to the power fold motors. After 2 minutes have elapsed, normal operation will resume.

1. Set the mirror control switch to the CENTER position.
2. Use the mirror control switch (press rearward) to automatically cycle the power folding mirrors in and out 4 times.
3. When an audible popping sound is heard, the power folding mirror motors are synchronized.
   NOTE It may be necessary to cycle the power folding mirrors in or out up to 4 times before they are synchronized.

Removal & Installation
Motor

1. Before servicing the vehicle, refer to the precautions section.
   NOTE If equipped with power folding mirrors, they must be synchronized any time the mirrors have been folded or unfolded without using the mirror control switch. Refer to synchronization procedure.
   
2. Position the exterior mirror glass in a downward position to obtain a gap at the edge of the mirror.
   CAUTION Place a shop towel between the exterior mirror glass and the hand to avoid personal injury in the instance of glass breakage.
   
3. Insert a flat-blade screwdriver between the mirror glass tabs and the mounting plate, and rotate to separate the locking tabs from the mounting plate.
4. Carefully pull the top edge of the glass away from the exterior mirror housing.
   
   Fig. Mirror Glass removal shown
   
5. If equipped, disconnect the heated mirror electrical connectors and remove the glass.
6. Remove the 3 exterior mirror motor screws and exterior mirror motor.
7. Disconnect the electrical connectors.
8. To install, reverse the removal procedure.
   

Switch
Expedition Trim Panel Removal

NOTE The door glass must be completely raised.

1. Remove the window control switch plate.
2. Remove the door handle bezel.
   WARNING To avoid damage to the door trim panel, lift the door trim panel by pulling directly upward on the armrest to disengage the panel clips.
3. Remove the two bolts and three screws, and remove the door trim panel.
4. Remove the finish cover to access the two center screws.
5. Disconnect the electrical connectors. Navigator Trim Panel Removal
6. Remove the door handle bezel.
7. Use service notch.
   WARNING To avoid damage to the door trim panel, lift the door trim panel by pulling directly upward on the armrest to disengage the panel clips.
8. Remove the two bolts and three screws, and remove the door trim panel.
9. Disconnect the electrical connectors.
10. Depress the locking tabs and remove the exterior mirror control switch.
11. Remove the exterior mirror control switch.

If you dont want waiting more time for the Owners Manual, can check here this choice 2004-Ford-Expedition-Owners-Manual

Hope this help.

Please rate. Thanks

could be the switch whcih incorporates a relay & timer.

Window, Heated Back NOTE: The radio antenna is integral to the window glass and is serviced with the back window glass (42006) as an assembly.

The heated back window consists of:

• a series of grid lines baked on the inside surface of the back window glass and system wiring which includes heated back window ground wire (18C620) and heated back window feed wiring (18C619).
• the grid lines, which consist of two layers. The first is brown as viewed from the exterior, and the second is silver as viewed from the interior.

Power for the back window glass defroster grids, the heated outside rear view mirror and the heated back window switch indicator is supplied from the power distribution box through a fuse HTD BLT (40 A)which protects the circuit.
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Heated Back Window—Crown Victoria, Grand Marquis

You checked the DRVMDL fuse in the rear fuse box ? The rear fuse box under the back seat. Also the PWR WDO circuit breaker in the rear fuse box.

Power Windows Inoperative - All
Step
Action
Value(s)
Yes
No
DEFINITION: All power windows inoperative from all door window switches.
1
Was the Power Door System Diagnostic System Check performed?
--
YES - Go to Step 2
NO - Go to Diagnostic System Check - Power Door Systems
2
Remove the PWR WDO circuit breaker.
Using a DMM, measure the resistance between circuit breaker terminals.
Is the resistance within the specified range?
0-5 ohms
YES - Go to Step 4
NO - Go to Step 3
3
Replace the PWR WDO circuit breaker.
YES - Is the replacement complete?
--
NO - Go to Diagnostic System Check - Power Door Systems
--
4
Using a DMM, measure the voltage between both rear junction block PWR WDO circuit breaker #57 terminals and ground.
Is the voltage within the specified range for either measurement?
10-15 V
YES - Go to Step 5
NO - Go to Power Distribution Schematics .
5
Repair CKT 1040 for an open or high resistance at rear junction block.
Refer to Wiring Repairs in Wiring Systems.
Is the repair complete?
--
Go to Diagnostic System Check - Power Door Systems