How to make smooth

I will be purchasing some LED taillights from FBI this week and am goign to put them towards the top of my tailgate skin. im not sure how to install them. does anyone know of a website that shows an install, or possibly a forum that explains it.

www.classiccustoms.com or something like that.im pressy sure thats who fbi buys from as well.as for those good product horrible customer service.they have tech and instlll photos on there

I tried classiccustoms.com and classicustoms.com, could not find it, any other sites out there with how-to's

ok i think i found it. www.customclassic.com