Universal 3 wire bulb socket replacement

Replacing the feed socket and 3 wire bulb on a 2002 Subaru Forester. Battery removed to gain access. Replacement part is not vehicle specific.
Harness damaged by heat.

[@MariaRodriguez-xq4bk]

Thank you. I did mine thanks to your video :)

[@inoahguy5118]

Why can’t you just plug it in though