New to the forums, not new to Mustangs! I wanted to share my project in case it might help someone else.
So I just bought a 2007 Mustang GT a few months ago, and traded in my 06 which had a nice Kenwood head unit with navigation. I liked the Shaker that was in my 07 but I really missed the navigation.
Navigation head units are not cheap!!! This got me thinking... what if I could install an Android tablet? I'd have music, navigation, voice commands, and full access to any app on the Google Play Store. So after doing some research I decided this was the route I wanted to go.
I had a few caveats in mind... it had to fit in the double din hole in the dash, and I wanted to be able to put the Shaker back in if the project didn't work out or if I decided to sell the car.
So here are the items I went with and the steps I followed.
Nexus 7 - has bluetooth, gps and is fairly close to the size of the double din hole in the dash.
Custom ROM - Timur's USBROM http://mehrvarz.github.io/nexus-7-usbrom/
This is the only way to go for a fixed car install. It enables USB host options allowing you to connect a hub, a flash drive, wireless remote, etc. It also allows for fast charging from the same micro usb port and has a standby feature when the power is turned off.
OTG Y Cable - http://www.ebay.com/itm/251343009305...84.m1497.l2649
Allows for fast charging and powering a hub connected at the same time
USB Hub - http://www.ebay.com/itm/280964488313...84.m1439.l2649
Power Inverter - http://www.ebay.com/itm/171136813489...84.m1439.l2649
Needs to supply 2 amps for the tablet and at least 1/2 amp per hub output. This may end up being to small for my setup.
USB DAC - http://www.ebay.com/itm/290996438101...84.m1439.l2649
Most tablets have built in DACs to provide audio to the headphone out port but they do not provide a clean enough audio stream for anything other than headphones.
External USB port - http://www.ebay.com/itm/190926565796...84.m1439.l2649
for charging or attaching other devices.
Since I removed the Shaker and my USB DAC only provided line level audio the only amplification I had were the stock amps for the door subs so I also purchased a couple of amps and a Kicker 12" sub in a box designed for the Mustang trunk.
So this is how this works, the OTG Y cable plugs into the Nexus and it has a standard female usb port and a female micro usb port. The power inverter provides 5 volts to a female usb port. The original Nexus charging cable plugs into it, and into the female micro usb end on the OTG cable. This provides charging for the Nexus and power for the hub and devices plugged into it. The hub plugs into the OTG female usb port and the DAC, external usb port and a flash drive plug into the hub. The inverter is wired into an ignition switched 12v source and provides power and charging when the ignition is on. When the ignition is turned off, the tablet goes into standby. The Nexus usually discharges about 2% over night, so it is completely recharged minutes after I start my car. I also tether to my phone for data. I'm still working on an external microphone for hands free calling and voice commands.
Here are a few pics of the install.
Test fit... not perfect, I've got more plans for this.
Wiring the inverter and mounting the DAC
The only modification I had to make. Had to have room for the cable.
Standby when key is off
I'm still working out a few bugs so if anyone is interested I'll post more. Thanks for looking!!!