Wiring next to passenger's door, what is it?

[KitsonRis]

This:

Not sure what this connects too, seems to go all around the car. Is it the rear lights and that?
Just want to know so I can keep it in.

 

[NorthloopCup]

This:

Not sure what this connects too, seems to go all around the car. Is it the rear lights and that?
Just want to know so I can keep it in.

Yeah that's the rear lights/fuel pump loom.