Aftermarket Nav System Install

[Tock]

New owner here. Just picked up my 04 Expedition last weekend, and I'm loving it!

This vehicle is replacing an 05 Explorer XLS which has an aftermarket DVD/NAV system installed in it. I will be swapping the system over this week, but I had a few questions I couldn't get answered through searching:

• Will the double din mounting hardware carry over? I suspect it will. Two bottom screws and the rear "tongue" seems to be a pretty common setup for Fords of that era.
• Are the wiring harnesses the same? The Explorer has the base sound system, but my Expedition is an Eddie Bauer and has the Audiophile sound system (it does have the powered sub). I'd like to keep the sub working if it's not too much of a headache. What's involved in that? I'm guessing I need to adapt the aftermarket unit's sub line out to something the factory amp can use. I don't have rear DVD, and nor am I concerned with rear-seat audio controls.
• Is it easy to get the steering wheel controls working? The unit (Eclipse AVN-726E) has a built in steering wheel control interface that uses two wires and learns the inputs through a configuration process, although I've read it doesn't work on every vehicle. I'm concerned that since the SWC's also control the HVAC that I might encounter issues.

Anyone have experience with any of these questions?

 

[oblivion]

Yes double din kit will swap right over. yes wiring harness is the same. and the steering wheel controls should be the same as well. The steering wheel climate controls go through a separate system and will not be affected.

 

[Tock]

Yes double din kit will swap right over. yes wiring harness is the same. and the steering wheel controls should be the same as well. The steering wheel climate controls go through a separate system and will not be affected.

Thanks for the reply! I think the harness may not be the same in my case though. When I installed the HU in the Explorer, I originally purchased the metra 24 pin 70-5520 harness as that was one of two listed as compatible with the 05 Explorer. Turned out I needed the 16 pin 70-1771. Metra (and everything else I can find online) says the Expy needs the 24 pin harness. In that case, should I use the 70-5521 with the RCA and amp turn-on pig tails, since I have the factory sub, or is there more of a headache involved? My local big box stocks most metra products and it's not far from me, but I'd like to have everything ready before I start tearing into the dash this weekend.