its unlikely to have any lines in the door... you should be able to take off the inner pannel to see what is in there... if not, then guess and pray... and the Gods of Home Kegerator Makeing will be kind to you...
Twin Ogre's Brewing Co.
"I wish i could give all my genrals a bottle of what he's drinking..." Honest Abe
"On the 8th day God created Bars"
Ginger mead (3 Gal)
Edworts Apfelwine (5Gal)
Australian Lager (5gal)
Operation "Black Gold" (High ABV) (5 Gal)
Stright Juice Cider