Ford 2002 Crown Victoria Manual page 68

Lights
1. With the flat side of the new bulb's plastic base facing upward, insert
the glass end of the bulb into the lamp assembly. Turn the bulb left or
right to align the grooves in the plastic base with the tabs in the lamp
assembly. When the grooves are aligned, push the bulb into the lamp
assembly until the plastic base contacts the rear of the lamp assembly.
2. Install the bulb retaining ring over the plastic base until it contacts the
rear of the socket by rotating it clockwise until you feel a "stop."
3. Connect the electrical connector into the rear of the plastic base until
it snaps, locking it into position.
4. Install the protective cover over headlamps locking it in place with
three knobs.
5. Turn the headlamps on and make sure they work properly. If the
headlamp was correctly aligned before you changed the bulb, you should
not need to align it again.
Replacing front parking lamp/turn signal bulbs
The park/turn lamp bulbs can be replaced with out removing the
headlamp assembly.
1. Make sure headlamp switch is in OFF position, then open the hood.
2. Remove the protective cover by turning the three knobs to the unlock
position.
3. Disconnect the electrical
connector from the bulb by pulling
rearward.
4. Rotate the bulb socket
counterclockwise and remove from
lamp assembly.
5. Carefully pull bulb straight out of
the socket and push in the new bulb
until it snaps, locking it into
position.
6. To complete installation, follow the removal procedure in reverse
order.
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