Originally Posted by Yori-
also forgot to mention i grabbed the wiring information on page 122 and 123 of the PDF.. thanks!
Welcome to the Bazooka Forum. You can connect the Blue/White wire to the Blue/White wire of your headunit (which is also a switched +12v source).
Keep in mind, when you do upgrade the BTAXX100 will plug right in to the existing FAST System.