Is wiring the same on models without backup camera/bluetooth?

[RoyBell]

Does anyone know if the wiring is the same between fully loaded limited models and base limited models?

I have one of each and would like to add the backup camera to my base limited, along with the bluetooth option. I am just wondering if anyone knows if the harnesses are the same...ie: are the plugs there for the steering wheel control and backup camera? I would obviously pick up a radio with screen.

What about the wiring for the speakers? My loaded limited has the subwoofer which sounds a lot better than the regular setup. Is the wiring there for all that stuff just to add, or is everything different?

 

[07basict4r]

Would like to know this also


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[RoyBell]

I just changed the hatch latch before I got the new one. I could had "sworn" I saw an extra plug when I was doing that, but I can't remember now since I wasn't looking for that specifically at the time.

 

[vr4z06gt]

I recently changed the back door shell on my 08 limited. The donor vehicle did not have factory navigation, mine did. When swapping the shells I needed to swap the wiring harness as well, as the donor door did not have provisions for the gps receiver nor the backup camera. You would also need to template the factory mounting location as the non-nav models dont have the camera mounting hole cut out or stamped into the door. A factory wiring harness leaves very little wiggle room for the camera mounting location. You would also need a nav model exterior door latch trim panel as the camera is secured to it.

I cant speak directly to the speaker wiring provisions but I would guess it's a similar constraint???