Ford 1998 Windstar Owner's Manual page 314

To install a taillamp bulb:
Insert new bulb into socket by pushing bulb until it is locked
1.
in position.
Install socket into lamp by aligning socket to lamp and
2.
turning clockwise until locked in place.
Align pins along liftgate edge with holes in body and snap
3.
attachment into retainer.
Rock lens around on outer edge and snap in second snap
4.
attachment.
Replace two screws along top edge of lens.
5.
Maintenance and Care
315