Ford 1999 Windstar Owner's Manual page 226

Maintenance and care
2. Install the bulb retaining ring over the plastic base until it contacts the
rear of the socket by rotating 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 headlamp on vehicle by aligning the lamp with the rear
retainer, push rearward and secure with two retainer pins.
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/turn signal bulbs
Note size and location of retainer
pins for installation.
1. At the back of the headlamp, pull
two retainer pins up to release the
headlamp assembly.
2. Pull headlamp assembly forward
disengaging the lamp from the rear
retainer to expose the back of the
bulb.
3. Remove bulb socket by turning it
counterclockwise about 1 ⁄ turn,
4
then slide it out of the lamp
assembly.
4. Carefully pull bulb straight out of
the socket and push in the new
bulb.
5. To complete installation, follow
removal procedure in the reverse
order.
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