Make sure there's enough light for you to see under the camper.
Jack up the fifth wheel, if necessary, in order to access the underside of the vehicle more easily.
Locate any pre-drilled bolt holes that might already exist underneath the camper.
Drill holes to match those in the receiver hitch, if pre-drilled holes do not already exist in the fifth wheel's frame.
Stick two carriage bolts through the holes in the fifth wheel's frame, pointing the bolts downward.
Set aside two carriage bolts nearby for entry through the receiver hitch.
Place the receiver hitch in position. If the hitch is heavy, use a jack to help support it.
Stick a washer and nut on the downward-facing bolts from the fifth wheel's frame through the receiver hitch. Tighten nuts with a wrench on each side of the hitch.
Stick two carriage bolts upward from the receiver hitch through the fifth wheel's frame.
Stick a washer and nut on the bolts and tighten nuts with a wrench.
