Originally Posted by Quisj95
Hello everyone. I have a 2007 coupe with every option except for nav and RAS and I really want to install a factory navigation unit. I know this topic has been talked about many times about how expensive it is and that there are better units for cheaper but being as though are cars being older im sure that wrecked ones are becoming easier to come by. So my question is wouldnt it be simple/functional/and inexpensive to take the navigation system out of a wrecked g coupe and install it into mine? So far I know I would need the head unit,wiring harness, center dash console, and the piece that takes up my second glovebox. Thanks in advanced guys.
No no no no no no no no no no no no no no no no no no no.
I wouldn't install factory nav into my car without it if you paid me $500, and supplied the parts. And I'm the guy who spent a number of hours building this for fun just to prove it can be done, in case it's ever necessary to do in the future - http://panoramic-3d.ru/forums/audio-v...07-dd-kit.html
It's not simple, it's nowhere near as functional as the cheapest garmin available. it was outdated as a navigation system when it was released in 2003. To compare it to what you have for free in any smartphone these days isn't even fair. It is expensive by any measure of time and money - it's $149 just for the map update alone.
This is the harness you have to install - it's the entire dash harness, not just one that goes between the unit and the radio.
This is the minimum level of dash disassembly you have to do in order to install that harness:
If you don't feel like disassembling both cars' dashes to get the complete harness out, and just cut a chunk from the donor car, you still need to disassemble yours to be able to solder the wires into the existing wiring harness, plus you have some nice meticulous searching and soldering in your future.
If you want to do anything like this, get the pop-up nav screen, power it, remove the factory navscreen and put something in that. Check these threads out for inspiration/info:
There's a huge reason why with the exception of one or two attempts, and only one (I believe) completed installs, nobody does it.