Ford 1999 Wagon-Econoline Owner's Manual page 95

Seating and safety restraints
5. Rotate the tether strap as shown.
6. Clip the tether strap to the seat
pedestal as shown.
Do not clip the tether strap to the
seat pedestal as shown.
If the tether strap is clipped
incorrectly (as shown) the child
safety seat may not be retained
properly in the event of a
collision.
95