RAM 1500 Owner's Manual page 627

For 4x2 and 4x4 trucks, when changing a rear wheel,
assemble the jack drive tube to the jack and connect
the drive tube to the extension tube. Place the jack
under the axle between the wheel and the shock
bracket with the drive tubes extending to the rear.
Rear Jacking Location
Connect the jack tube extension and wheel wrench.
WHAT TO DO IN EMERGENCIES 625
CAUTION!
Before raising the wheel off the ground, make sure
that the jack will not damage surrounding truck parts
and adjust the jack position as required.
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