Access backup light bulb

TAIL LAMP ASSEMBLY AND /OR BACKUP, SIDEMARKER, STOP, TURN SIGNAL BULB REPLACEMENT

REMOVAL PROCEDURE

1. Open the liftgate.
2. Remove the screws from the tail amp.
3. Slide the tail lamp rearward in order to disengage it from the retainers on the rear body panel.
4. Disconnect the electrical connector from the tail lamp wiring harness.
5. Remove the tail lamp and side marker lamp sockets from the tail lamp, depressing the locking tab and turning counterclockwise.
6. Remove the bulbs from the tail lamp and the side marker lamp sockets, if replacing the bulbs.

INSTALLATION PROCEDURE

1. Install the bulbs to the tail lamp and side marker lamp sockets, if removed.
2. Install the tail lamp and side marker lamp sockets to the tail lamp, turning clockwise until the locking tab is fully seated.
3. Connect the tail lamp electrical connector to the wiring harness.
4. Position the tail lamp retainer slots to the tabs on the rear body panel.
5. Install the tail lamp to the rear body panel, pressing into place until fully seated.
6. Install the tail lamp screws to the Taillamp.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the tail lamp screws to 2 N.m (18 lb in).

7. Close the liftgate.

1) Open trunk
2) Remove small round plastic access panel with a flat tip screw driver by prying open
3) Remove flat tip screw holding tail light assembly
4) Remove tail light assembly by pulling outward, careful not to break plastic guide/nub
5) Disconnect wiring connectors
6) Remove plastic housing access plate on back of tail light assembly by twisting/turning tabs until they click and then lift access plate from tail light assembly
7) When viewing the the bulbs, the turn signal bulb is the bottom left bulb
8) Install in reverse order, ensuring tail light seal seats properly during installation

REMOVAL

1. Remove the watershield. (Refer to 23 - BODY/DOOR - FRONT/WATERSHIELD - REMOVAL)

2. Remove door glass retaining clips and secure the window in the up position using masking tape or equivalent(FRONT DOOR GLASS CLIPS).

3. Disconnect wire connector from power window motor, if equipped.

4. Loosen screws attaching front and rear window guide rails to inner door panel (FRONT DOOR MANUAL WINDOW REGULATOR - TYPICAL).

5. Remove screw heads on guide rails from key hole slots in inner door panel.

6. Loosen screws attaching regulator to inner door panel.

7. Remove regulator from inner door panel.

8. Extract rear guide rail through inner door panel rear access hole (FRONT DOOR POWER WINDOW - TYPICAL).

9. Extract front guide rail through front access hole.

INSTALLATION

1. Insert front guide rail through front access hole.

2. Insert rear guide rail through rear access hole.

3. Place window regulator in position on inner door panel.

4. Place screw heads on guide rails in position through key hole slots in inner door panel.

5. Tighten screws to attach front and rear guide rails to inner door panel.

6. Connect wire connector into power window motor, if equipped.

7. Install door glass.

8. Verify door glass alignment and operation.

9. Install sound shield and door trim panel

DIAGRAMS CAN BE FOUND ON JUSTANSWER,COM

You have to remove the Panel cover that cover the rear door. First remove the Trim around by popping it out.

There are several bolt that hold the panel. un bolt those. Start with the one on the inside Handle. Pop the cover out and you can access the Backup bulb.


Good luck.

From autozone.com. Please let me know if you have any questions.

1. Release the trunk latch and open the trunk lid.
2. Remove the fasteners holding the trunk lining to the lower rear deck panel.
3. Separate the trunk lining from the deck panel.
4. Detach the lamp wiring from the wiring harness.
5. Remove the nuts that retain the tail lamp to the lower deck and quarter panel.
6. Remove the tail lamp from the vehicle.
7. Remove the socket and pull the bulb out if replacement is needed.

To install:

1. Push a new bulb into place if required, then insert the socket into the lamp.
2. Insert the wire harness through the hole in the lower deck panel.
3. Install the wiring harness grommet into the lower deck panel.
4. Place the tail lamp into position on the vehicle.
5. Install the nuts to hold the lamp to the lower deck and quarter panel.
6. Attach the wire from the lamp to the body harness.
7. Place the trunk lining into position on the lower deck panel.
8. Install the fasteners that hold the trunk lining to the lower rear deck panel.
9. Check the operation of the lamp.

Removal & Installation

1. Disconnect and isolate the negative battery cable.
2. Remove the right quarter trim panel as follows:
   1. Remove first rear seat. Remove the second rear seat, if equipped.
   2. Remove the sliding door sill plate.
   3. Remove the quarter trim bolster.
   4. Remove the upper C-pillar trim and D-pillar trim panel.
   5. Remove the first and second rear seat belt anchors.
   6. Remove the screws securing the quarter trim to quarter panel from the bolster area.
   7. Remove the screws securing the rear edge of the quarter trim to the support bracket.
   8. Carefully disengage the hidden clips securing the front of the quarter trim to the quarter panel just rearward of the sliding door opening.
      
      
      

      Fig. Removing the trim panel to access the rear blower motor
      

   9. Disconnect the wiring harness connector from the accessory power outlet, if equipped.
   10. On long wheelbase wagons only, remove the quarter trim from the quarter panel and pull second rear seat belt through access hole.
   11. Pull first rear seat belt through the access hole.
   12. Remove the quarter trim panel from the vehicle.
       
3. Remove the 5 screws mounting the A/C-heater blower motor housing to the rear HVAC unit (one mounting screw located on evaporator cover).
4. Twist the blower motor out of scroll housing.
5. Disconnect the blower motor wiring connector.
6. Remove the blower motor from vehicle.
   
   
   

   Fig. The rear blower motor is held in place by four screws
   

To install:

1. Install the blower motor unit into the vehicle.
2. Reconnect the blower motor wiring connector.
3. Secure the blower motor into scroll housing.
4. Install and tighten the 5 screws mounting the A/C-heater blower motor housing to the rear HVAC unit (one mounting screw located on evaporator cover).
5. Install the right quarter trim panel as follows:
   1. Install the quarter trim panel in position in the vehicle.
   2. Insert and pull the first rear seat belt through the access hole in quarter trim panel.
   3. On long wheelbase wagons only, insert and pull the second rear seat belt through access hole in quarter trim panel.
   4. Reconnect the wiring harness connector to the accessory power outlet, if equipped.
   5. Engage the hidden clips to secure the front of quarter trim to quarter panel rearward of sliding door opening.
   6. Install the retaining screws that secure the rear edge of quarter trim to support bracket.
   7. Install the retaining screws that secure the quarter trim to the quarter panel in bolster area.
   8. Install the second rear seat belt anchor (if equipped), and the first rear seat belt anchor.
   9. Install the D-pillar trim panel and upper C-pillar trim.
   10. Install the quarter trim bolster.
   11. Install the sliding door sill plate.
   12. Install the second rear seat, if equipped, and install the first rear seat.
       
6. Reconnect the negative battery cable. Check blower motor operation.

Hope helps (remember to rate this).

The blend door is not working right or the in car air temperature sensor is faulty.
Removal & Installation Air Inlet Door Vacuum Motor To Remove:

1. Remove the instrument panel.
2. Remove the air inlet door motor mounting screws. CAUTION
   Do not attempt to bend any part of the air inlet duct door lever.
   
3. Rotate and remove the air inlet door vacuum control motor.

To Install:

1. Rotate and install the air inlet door vacuum control motor.
2. Install and tighten the mounting screws.
3. Install the instrument panel.

Defroster Door Vacuum Motor To Remove:

1. Remove the passenger air bag module from the instrument panel.
2. Disconnect the vacuum line and remove the mounting screws. CAUTION
   Do not attempt to bend any part of the defroster airflow mode door lever.
   
3. Rotate and remove the vacuum control motor from the defrost door lever.

To Install:

1. Rotate and install the vacuum control motor on the defrost door lever.
2. Install and tighten the mounting screws.
3. Connect the vacuum line to the vacuum control motor.
4. Install the passenger's air bag module.

Floor Console Register Duct Vacuum Motor To Remove:

1. Remove the floor console.
2. Remove the right-side instrument panel insulator.
3. Working from the passenger's footwell, disconnect the vacuum hose.
4. Remove the screws and the floor console register duct vacuum control motor. CAUTION
   Do not attempt to bend any part of the floor console register duct door lever.
   
5. Rotate and remove the vacuum control motor from the floor console register duct door.

To Install:

1. Rotate and install the vacuum control motor on the floor console register duct door.
2. Install and tighten the mounting screws.
3. Connect the vacuum hose to the floor console register duct vacuum control motor.
4. Install the insulator under the dash.
5. Install the floor console.

Panel/Floor Door Vacuum Motor To Remove:

1. Working through the driver footwell, remove the two screws and the shield. CAUTION
   Do not attempt to bend any part of the airflow mode door lever.
   
2. Label and disconnect the two vacuum hoses.
3. Remove the mounting screw.
4. Lift, rotate and remove the panel/floor door vacuum control motor from the door lever.

To Install:

1. Install the panel/floor door vacuum control motor on the door lever.
2. Install and tighten the mounting screw.
3. Connect the vacuum hoses in their original positions.
4. Install the shield on the vacuum motor.

Auxiliary Air Distribution Blend Door Actuator To Remove:

1. Remove the right rear quarter trim panel access panel. Auxiliary climate control housing removal and installation
   
   
2. Remove the auxiliary air distribution blend door actuator screws.
3. Disconnect the auxiliary air distribution blend door actuator connector.

To Install:

1. Connect the auxiliary air distribution blend door actuator connector.
2. Install the auxiliary air distribution blend door actuator screws.
3. Install the right rear quarter trim panel access panel.

Auxiliary Temperature Blend Door Actuator To Remove:

1. Remove the right rear quarter trim panel. Auxiliary climate control housing removal and installation
   
   
2. Disconnect the temperature auxiliary temperature blend door actuator connector.
3. Remove the temperature auxiliary temperature blend door actuator screws.
4. Remove the temperature auxiliary temperature blend door actuator.

To Install:

1. Install the temperature auxiliary temperature blend door actuator.
2. Install the temperature auxiliary temperature blend door actuator screws.
3. Connect the temperature auxiliary temperature blend door actuator connector.
4. Install the right rear quarter trim panel.

--- In-Car Temperature Sensor Removal & Installation To Remove:

1. Remove the instrument cluster finish panel.
2. Disconnect the in-vehicle temperature sensor connector.
3. Disconnect the in-vehicle temperature sensor aspirator tube.
4. Remove the in-vehicle temperature sensor screws.
5. Remove the in-vehicle temperature sensor.

To Install:

1. Install the in-vehicle temperature sensor.
2. Install the in-vehicle temperature sensor screws.
3. Connect the in-vehicle temperature sensor aspirator tube.
4. Connect the in-vehicle temperature sensor connector.
5. Install the instrument cluster finish panel.

Door Panels REMOVAL & INSTALLATION 1989–91 Vehicles

1. Disconnect the negative battery cable.
2. On 1990–91 vehicles, remove the speaker grille.
3. Remove the retaining screws from the door inside handle cup.
4. If equipped with armrest courtesy lamps, remove the lens, detach the bulb and wiring assembly from the pull cup and remove the pull cup.
5. Working through the pull cup opening, disconnect the remote lock rod from the lock knob.
6. Remove the retaining screw and the remote mirror bezel nut from the power window regulator housing switch plate, if equipped.
7. Raise the plate to expose the window switch and power door lock switch and disconnect the switches.
8. Remove the retaining screws from the armrest finish panel.
9. Remove the retaining screws from the armrest and remove the armrest.
10. Using a suitable trim pad removal tool, carefully pry the trim panel plastic push pin retainers from the door inner panel. NOTE: Do not use the trim panel to pry the clips from the door inner panel. Replace any bent, damaged or missing push pins.
    
11. Disconnect the radio speaker wiring, if equipped.
12. Remove the trim panel and watershield. To install:
    
13. If the door panel is to be replaced, transfer the plastic push pins to the new panel. Make sure that the watershield is positioned correctly to the door sheet metal. Remove the door pull handle from the old panel and transfer to the new one.
14. Position the door panel loosely to the door belt opening and route the wiring harness through the appropriate access holes in the panel.
15. Connect the radio speaker, if equipped.
16. Align the plastic push pins on the door panel to the holes in the door sheet metal and press the pins into place.
17. Install the armrest and route the window regulator, remote mirror cable and power lock harness through the access hole.
18. Install the armrest finish panel.
19. Install the power window regulator switch plate housing to the armrest connecting the power window switch, power door lock switch and remote mirror bezel nut, if equipped, prior to securing the retainer screw.
20. Connect the lock remote rod to the lock knob retainer boss. NOTE: Make sure that the remote rod is fully seated into the retainer boss, then function manually or with the power switch to ensure smooth operation of the lock knob.
    
21. Install the bulb and wiring assembly.
22. Install the lamp lens, if equipped, and the pull cup.
23. On 1990–91 vehicles, install the speaker grille.
24. Connect the negative battery cable. Fig. 1: Front door panel — 1990–91 vehicles
    Fig. 2: Rear door panel — 1989–91 vehicles
    

1992–98 Vehicles

1. Disconnect the negative battery cable.
2. If removing the driver's door panel, remove the nut from the outside rearview mirror control switch.
3. Remove the window regulator switch housing by gently prying up, starting at the front. Fig. 3: Front door panel — 1992–98 vehicles
   Fig. 4: Rear door panel — 1992–98 vehicles
   Fig. 5: Remove the window regulator switch housing by gently prying up, starting at the front
   
   
4. Detach all connectors from the switch housing.
5. Remove the door inside handle cup.
6. Remove the push pin from the door trim panel upper front extension and remove the screw.
7. Remove the lower self-tapping screw retaining the door trim panel to the door inner panel. Fig. 6: Detach the switch housing electrical connector and remove the housing
   Fig. 7: Remove the door inside handle cup
   Fig. 8: Remove the screws from the door panel in the front and on the upper extension
   
   
8. On Grand Marquis, pry up the screw covers from the door pull handle and remove the screws and handle.
9. Lift the door panel upward and snap out the panel. Fig. 9: There are also retaining screws located in the map pocket as well as . . .
   Fig. 10: . . . along the bottom edge of the door panel
   
   
10. Disconnect the necessary wire harnesses and remove the panel. To install:
    
11. Connect the wire harnesses to the door panel, as necessary.
12. Install the door panel by pushing in and down until it snaps into place.
13. Install all self-tapping screws retaining the door trim panel to the door inner panel.
14. On Grand Marquis, install the door pull handle, tighten the screws and install the screw covers.
15. Install the push pin covering screw on the panel upper front extension.
16. Install the inside door handle cup.
17. Install the window regulator switch housing and install the nut on the outside rearview mirror control switch, if removed.
18. Connect the negative battery cable. Fig. 11: Lift the door panel upward and snap out the panel to remove it from the door
    Fig. 12: Rotate the door marker lamp bulb and remove it from the door panel
    Fig. 13: Detach the connectors for the trunklid and fuel door release switches
    Fig. 14: Slide the relay connector off of the door panel and remove the door panel from the vehicle
    

License Plate Lights Removal & Installation 1997 – 2000 To Remove:

License/backup Lamp Assembly

1. Remove the rear compartment lid trim. (if necessary)
2. Disconnect the license/backup assembly connector from the body harness.
3. While removing the license/backup lamp assembly from the rear compartment lid, disconnect the harness grommet from the rear compartment lid.
4. Remove the license lamp housing from the license/backup lamp assembly.
5. Remove the license lamp bulb from the housing and socket.

To Install:

1. Install the license lamp bulb into the socket and housing.
2. Install the license lamp housing onto the license/backup lamp assembly
   • Torque the fastener to 18 in-lb (2 Nm).
3. While holding the license/backup lamp assembly, install the harness grommet to the rear compartment lid.
4. Install the license/backup lamp assembly
   • Torque the fasteners to 53 in-lb (6 Nm).
5. Connect the license/backup assembly connector to the body harness.
6. Install the rear compartment lid trim. (if necessary)

I can provide 2002, don't have 2003. may be similar. please rate as solveed problem if this is what you needed.

SECTION 417-01: Exterior Lighting 2002 Lincoln LS Workshop Manual
REMOVAL AND INSTALLATION Lamp Assembly —Rear Removal and Installation

1. Remove the luggage compartment door trim panel.
   1. Remove the 13 pin-type retainers.
   1. Remove the luggage compartment door trim panel.

1. Remove the rear lamp assembly.
   1. Disconnect the electrical connectors.
   1. Remove the nuts.
   1. Remove the rear lamp assembly.
   • If necessary, install new bulbs.

1. To install, reverse the removal procedure.