Just finished restoring my tail lights and one thing I did may help people so I'll pass it on.  Not really mind blowing but useful :-).  When I took them out I noticed the "melted plastic" I'll call it that retained the nut and cap for each hole was so brittle it wouldn't hold the nuts in anymore.  Half or more of the 16 total nuts were falling out the back because the plastic the factory melted over was dried out and nearly gone.  It's a miracle the PO didn't lose these lights honestly.  Went t