Ford 2006 Navigator Owner's Manual page 127

Lights
Replacing liftgate tail lamp bulb
1. Make sure the headlamp switch is
in the OFF position.
2. Raise the liftgate and remove the
two retaining nuts on the underside
of the liftgate.
3. Pull the lamp assembly straight
out (it will snap out of a plastic
retaining grommet).
127
2006 Navigator (nav)
Owners Guide (post-2002-fmt)
USA (fus)