ProLite Plus Owner's Manual page 152

HITCH AND INSTALLATION
1. Place wheel chocks behind or in front of the trailer tires, depending on the slope
of the ground.
2. To ensure the ball on the towing vehicle can move beneath the hitch,
turn the jack handle to raise the tongue to a sufficient height.
3. Back the towing vehicle up until the hitch ball is under the hitch socket, then set
the parking brake on yourcar.
4. The coupler lock lever must be fully open. Lower the tongue with the jack handle
until the ball is fully inserted into the socket. Close the coupler lock lever and
secure it with the locking device.
5. Raise the towing vehicle and trailer with the jack handle high enough to leave
room to install the weight distribution bars, if applicable. Secure the torsion bars
as instructed by the manufacturer, if applicable.
6. After securing the weight distribution bars, raise the jack foot to its highest level
with the jack handle. The trailer must be fully level. If the front is lower than the
rear of the trailer, this reduces towing stability on the axles.
7. Install the sway control system as instructed by the manufacturer, if applicable.
8. Attach all the safety chains or cables as applicable.The hitch on your towing
vehicle must be equipped with two securing eyelets for the chains, on each side
of the vehicle's centre line. Install the chains or cables by feeding each through the
securing eye. Adjust each length of chain to make it as short as possible, but
not too tight to allow some movement. The two chains must have the same length
and cross each other under the tongue, while remaining off the ground if the trailer
should accidentally become detached.
9. Connect the emergency fail switch cable, if applicable, to your trailer from a
fixed part of the towing vehicle, ideally in the eyelets used for the safety
chains or cables.
10. Connect the seven-conductor cable from the trailer to your towing vehicle.
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