Ford 2002 Excursion Owner's Manual page 84

Lights
6. Insert the glass end of the new bulb into the headlamp assembly.
When the grooves in the plastic base are aligned, push the bulb into the
lamp assembly until the plastic base contacts the rear of the lamp
assembly.
7. Install bulb retaining ring over the plastic base and lock the ring into
the socket by turning it clockwise until you feel a "stop."
8. Connect the electrical connector into the rear of the plastic base until
it "snaps."
Replacing front parking/turn signal bulbs
1. Make sure headlamp switch is in OFF position.
2. Open the hood.
3. Remove the two screws and
carefully disengage parking
lamp/turn signal assembly from the
vehicle.
4. Rotate bulb socket
counterclockwise about 1 ⁄ turn and
4
remove from lamp assembly.
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