Where does this taillight ground?

krazykuda said
It grounds through the housing...

67Dart273 said
Or "it once" grounded through the housing. IF you can salvage that lamp shell, clean it up, then solder a pigtail to the lamp shell, and bolt that to the body somewhere

I cant get continuity anywheree on the housing for a ground so
Solder grounds to these circled plugs ..right