No tail lights need help

https://mymopar.com/service-manuals/
1688485248115.png

1688485480608.png


https://www.web.imperialclub.info/Repair/Lit/Master/
https://www.web.imperialclub.info/Repair/Lit/Master/247/Cover.htm
https://www.web.imperialclub.info/Repair/Lit/Master/236/cover.htm

Tail lights usually have dual filiment bulbs with a shared ground.