OK I set out to build a box mod based on the tutorial found here Ecigadvanced Vape-pocalypse: Radio Shack E-Cigarette | Ecig Advanced News it turned out looking great the only problem is.... that it doesn't work! I don't know where I went wrong but here is what I did. I followed everything he explained on the video all of the wiring is the same I used a resistor on the led and hooked all the wires up identical to the way he did. I put a battery in and pressed the button and the led came on. I screwed in my manager pro tank and pressed the button ... nothing happened, I unscrewed the tank and the light comes on again when the fire button is depressed as it should. Anytime the tank makes contact with the bottom of the 510 connector it will not heat the coil, the led will not light up until you unscrew the tank again. So the only differences between his and mine are that I used a prewired 510 connector and the battery. I am running at 3.6v 2200mAh. So does anyone have any clue as to what could be going on with it??? This is sooo frustrating I just want it to work any advice helps thank you all. The battery I am using can be found here RadioShack