I think you have to pull the battery out and the bolts should be under the tray.
Remember; the only stupid question is the one that wasn't asked
Ignorance is curable, stupid is forever----MODEL-YEAR-ENGINE SIZE-T/CASE-LOCATION PLEASE
"It does everything. It goes everywhere. It's as faithful as a dog, strong as a mule, and agile as a goat. It constantly carries twice what it was designed for, and keeps on going"
WWII correspondent Ernie Pyle, 1943
Jeeps are a sickness, however in most cases not terminal.