Escalade conversion

[perryz71]

I have a 07 Escalade I bought newer Escalade tail lights and the connection doesn't work. My truch has a 6prong and the light has 5 prong. Please help

 

[wjburken]

I have a 07 Escalade I bought newer Escalade tail lights and the connection doesn't work. My truch has a 6prong and the light has 5 prong. Please help

What year vehicle are the new lights from?