These are the very best directions I can give you. Vivian w/ DJ's emailed them to me when I bought my tuner. If you follow these direction's step by step you should be able to get it going. Let me know!
Go to SCT Automotive Performance Products
Choose the Tech Support tab
Choose Get Updates
On the drop-down list click on Select the SCT Device and Choose X3 Ford – P/N 3000
On the second drop-down list click on Select the Software Type. It will list 4 files download all four files, one at a time.
Device Firmware – Choose Save
Device Update Software – Choose Run and go through the Wizard
If it tells you the publisher cannot be verified, choose Run anyway.
Device Tune Revision – Choose Save
Windows Device Drivers – Choose Save
After you download the three files you will notice an Icon on your desktop that reads, Livewire Updater. Click to open Livewire Updater and connect the X3 to the computer.
The message “Found New Hardware” will pop up on your screen requiring you go through the Wizard. Do Next until you click on Finish.
The instructions below are for updating your firmware. You will not need to do this at this time since the boxes already have the latest firmware installed.
Hold down the Cancel button on the X3 and connect the X3 through the usb cable, to the computer. Release the Cancel button.
At this point you will see a pop up that your computer that reads ‘Found New Hardware’. You will need to go through the Wizard again. Do Next until you click on Finish.
Click on Update Firmware.
This will open a File Box. Click twice on the file that is on your Desktop that ends with .LWU.
This will start a series of bars across the Livewire Updater.
When the bars disappear and the firmware has been updated you are ready to download tunes.
Disconnect the X3 from the computer and close Livewire Updater.
When you receive the email with your tunes, save each file to a location that you will remember later.
Connect the X3 to the computer again (Do not press and hold the Cancel button, just connect it)
Open Livewire Updater
Click on Liveload Tunes
Go to the drop-down list on the top. Find the first file and open it. Click on the little circle on the left and where it says File #1, write the type of file it is. Click on Program. Repeat for the other two files.
This is the users manual for the X3 http://www.sctflash.com/PDF/X3rev1.pdf