A couple of years ago I bought an oem nav bezel for my non-nav equipped Titan. I added a 7" vga touchscreen and a car pc setup. It took me countless hours to install and configure the software and worked half-assed for about a week before it broke. I never got around to fixing it, so I drove for over 3 years with a blank screen. Well, I finally got sick of it, so I ripped it out and started over.
I used this Magellan Roadmate 1700 ($242):
Amazon.com: Magellan RoadMate 1700 7-Inch Widescreen Portable GPS Navigator: Electronics
I siliconed it into the nav bezel, and spliced its cigarette lighter adapter into the back of the Titans lighter plug. If you were lazy, you could also just loop in through one of the knock outs next to the lighter and plug it directly in. I also ran a usb and a video cable down to the floor for laptop updates and a backup camera.
Pros:
Cons:
I used this Magellan Roadmate 1700 ($242):
I siliconed it into the nav bezel, and spliced its cigarette lighter adapter into the back of the Titans lighter plug. If you were lazy, you could also just loop in through one of the knock outs next to the lighter and plug it directly in. I also ran a usb and a video cable down to the floor for laptop updates and a backup camera.
Pros:
- It's relatively cheap and idiotproof.
- It automatically powers on and off with the car ignition.
- It looks factory.
- Its user interface is much better than the factory nav system.
- Reception is excellent, even mounted under the dash - no external antenna required.
- Text to speech, so it reads the road names to you.
- Sunlight readable screen.
Cons:
- No adaptive volume control. You can adjust it on screen, but I just leave it at fixed level. The integrated speaker is loud and fairly clear, but with my music turned up loud, I can't hear the directions. There is no audio line out, so if you wanted it piped into the stereo, you'd need to disassemble the unit and tap into the speaker leads.
- You can't turn it off while the vehicle is running. The power switch is on top of the unit and inaccessible when installed like this. The unit does automatically switch to night mode, so the screen glare isn't bad at night, but if it ever crashes or something, you'll need to pop the dash open to reset it.