Ram 2500, 2019, Running a rear camera wire to the back window

[SGTrucks]

Purchased a dash loop camera to record on long trips.

It has a front camera / two side cameras and a rear camera which connects via a long wire.

Easy to run it to the door - any suggestions on running the whole way back (4 door) to the back window?
Easier to run it on the floor / under the floor mats?
Easier to run it under the headliner?
Easier to attach it with pin clips to the headliner?

Thank you

 

[diymirage]

If your fixing to mount it inside the cab, or up high by the 3rd brake light, I'd run it up above the headliner

If it needs to make it outside and all the way to the back bumper, run it through the door sill and add it to the grommet where the parking brake cable enters the cab

 

[GTyankee]

Ram ran the 3rd brake light wires along the drivers side floor, hidden under the door sills, at least on the 4th Gen Rams.
there is a bit of a trick to run the wires past the "B" Pillar, from what i read.
You then have to remove the rear short seat on the drivers side
Between the rear door & the sheet metal at the rear of the cab.
there is a narrow section of interior panel, that piece covers wiring that leads to the 3rd brake light.

This may be important:
I recall reading that there is a wire that is part way between the floor & half way up the "C" panel.
That wire ends part way up the panel & it MAY be a wire that is used for the 3rd Brake Light Camera/ Cargo Camera.

If on the other hand, if you were to run rear camera wiring above the Drivers doors & then to the rear of the cab,
That rear seat has to come out & that Corner Panel also

Most Important Advice :
No matter which routing that you go, there are AIR BAGS
Several Air Bags along the top of the Roof
At least one inside the "B" Pillar