Ford Mercury Villager 1997 Owner's Manual page 324

4. Turn the headlamps on and make sure that they work
properly. If the headlamp was correctly aligned before you
changed bulbs, you should not need to align it again.
Replacing the Bulbs
There are several different types of replacement bulbs for your
vehicle. The following illustration indicates the proper method of
removal and installation for each bulb.
The replacement bulbs
The illustrations in this section will provide you with reference for
changing many of the bulbs on your vehicle.
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