92 Caravan headlight housing replacement

I bought 2 new plastic headlamp housings (the others were really yellow with age), and my Haynes or Chiltons neither one show how to replace them. They show the older style headlights but not the plastic ones.

What is the best and or easiest way to change them?

Thanks!

I bought 2 new plastic headlamp housings (the others were really yellow with age), and my Haynes or Chiltons neither one show how to replace them. They show the older style headlights but not the plastic ones.

What is the best and or easiest way to change them?

Thanks!

Never mind, I got them. Not that big a deal once I figured it out.