Tail light and license plate lights inoperable

[Carmelo Forte <csforte@domain.elided>]

I can't seem to get my right rear tail light to function. Before I had my 
1973 GT1300 junior painted the left tail light/brake light was operational. 
The bulb is fine, because I have installed it on the functional right tail 
light. I don't have any wiring diagrams to be able to trace back to the 
source of the problem. My question is what kind of voltages should I read 
on the connectors on the back of the tail light?

I also can't seem to get both the license plate lamps to work. Upon 
removing both of the housings I noticed that one of them has only one wire 
connected to it. The black wire is not connected, but on the housing I 
can't find where it would have been soldered. Does anyone have a wiring 
diagram or know where the wire should be connected to?

I am missing the metal divider between the brake light and turn signal. 
Does any have or know where I could obtain a new or used one?

grazie mille.

Ciao,
Carmelo
Coventry, CT
1973 GT1300 junior (80% completely restored)

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