how do you find a draw on battery after everything is shut down on 1996 GMC Yukon

there is a draw on the battery after every thing is shut down. Has already ruined one battery which was installed in April 2010

by in Missoula, MT on August 12, 2010
1 answer
ANSWER by , August 12, 2010
Start by checking the battery cables mainly the positive one to see if it's touching anywhere on the body of the vehicle also have the starter checked