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

Asked by for the 1996 GMC Yukon
1 answer
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