I'd like to crack open my TL 3rd Gen headlamp assemblies to paint inside housing flat black. Anyone done this?

 

you're asking about a process that we've done for almost 10 years now.

yes, of course, we've done this.
this website is FILLLED with information, take a little bit of time to read the Stickies for what you want is in one of those stickies.

 

Thanks. But what and were are said "Stickies"?

 

https://acurazine.com/forums/3g-tl-2004-2008-93/3g-tl-garage-faq-3g-tl-newbies-553554/

 

He's lying to you, is never been done because its absolutely impossible