Resurrection of the old Reverse Light Thread

IMHO.... the OP is overwhelmed already no need to add complexity to his issues.
No, not really.
The car is just a new puzzle for this modern MOPAR guy.
And, I'm just trying to solve too many problems all at once.

My guess is the old man, previous owner was oblivious to some of the things the car needed done.
But, thankfully, otherwise she's solid as a rock.