I downloaded lonesome road but have a small problem. I can't remember the command/trick for getting out of the BigMT and back to the "normal" game. Yeah i know really dumb, but I really am stuck. Thanks in advance for your time and consideration...

http://fallout.wikia.com/wiki/Big_Mountain_Transportalponder!

i was in the same conundrum, also i forgot that u have to use this device to get u back to the mohave

You really don't want to lose that!