How do you replace front headlight on 1997 ford econoline van?

For 1986 Vanagon:

1. Remove plastic grill - 5 screws.

2. Remove entire metal cage surrounding light - 4 screws.

3. Unplug highbeam and lowbeam lights.

4. The white plastic things sticking through 3 of the 4 holes can be tapped out gently with a hammer, hitting the white plastic from the front.