I purchased all the items to do this install to my 2011 QX56 including a DPDT switch from Radioshack. From what i remember there were only 2 DPDT switches that i had to choose from. A light duty switch and a heavy duty switch. I couldn't really figure out the difference in the two in the packaging but i think i went with the light duty. My question is where did everyone mount the switch. I thought about mounting it somewhere along the wall of the cubby where the usb port is for easy access and to hide it. But then i also thought it would be convenient to mount the switch on the blank beside the on off power door switch. Does anyone have any pictures or other suggestions of where to mount the button?