NEED how-to on painting tailights

[Micah 89LXi]

I know this is an old post but i was wondering where that how-to dissapeared to..i wanna paint my tails before i get my new paint job..im gonna paint the middle section to match the car colour..and make the remaining amber parts red...and ill be sre not to piant over the backuplights.....OH and for painting the middle section where u dont want light to show through should i use some kind of primer?

Thnx

[Scotts88WhiteLX-i]

here where it dissapered to....
https://www.3geez.com/showthread.php?s=&threadid=187