32
^
WARNING
An improperly coupled fifth wheel can
come loose, resulting in death or serious
injury.
Do not tow the trailer until all of the visual
checks are met.
5.
If the king pin cannot be secured to the fifth wheel,
do not tow the trailer. Contact your dealer for
assistance.
6.
Retract the jack to its fully retraced position.
^
CAUTION
Drop leg jacks may be spring loaded.
If so, they will rapidly return to the raise
position when released.
Keep clear when releasing drop legs.
7.
Fully retract jack drop leg if equipped.
8.
Raise tow vehicle tailgate if equipped.
4.3.2.4 c
onnect
e
lectrIcal
c
aBle
1.
Connect the trailer lights to the tow vehicle’s
electrical system using trailer electrical cable.
2.
Check all lights for proper operation. Repair or
replace non-working lights before towing trailer.
3.
Check electric brakes for proper operation using
brake controller mounted in the cab.
^
WARNING
Improper electrical connection between
the tow vehicle and the trailer will result in
inoperable lights and electric brakes, and
can lead to collision.
Before each tow:
• Check that the electric brakes work by
operating the brake controller inside the
tow vehicle.
• Check that all lights and turn signals
work.
4.3.2.5 a
ttach
B
reakaway
B
rake
l
anyard
If the king pin or fifth wheel fails, a properly connected
and working breakaway brake system will apply the
trailer brakes.
Connect the lanyard to the tow vehicle. Do not connect
the lanyard to king pin or its support. This would keep
the breakaway brake system from operating when it is
needed.
Contact the hitch manufacturer or installer if you are
not certain of the hitch provisions for the breakaway
brake connection.
4.3.2.6 t
eSt
e
lectrIc
B
rakeS
If your trailer has electric brakes, your tow vehicle will
have an electric brake controller that sends power to
the trailer brakes. Before towing the trailer on the road,
you must operate the brake controller while trying
to pull the trailer in order to confirm that the electric
brakes operate.
While towing the trailer at less than 5 mph, manually
operate the electric brake controller in the tow vehicle.
You should feel the operation of the trailer brakes. If
the trailer brakes are not functioning, the brake system
MUST be evaluated to determine the cause of the
problem and corrective action MUST be taken before
the trailer is used. Take the unit to your dealer or a
qualified brake specialist.
Use this procedure each time you tow the trailer to
check brake system operation.
4.3.2.7 t
eSt
e
lectrIc
B
reakaway
B
rakeS
The breakaway brake system includes a battery, a
switch with a pullpin and lanyard, and a breakaway
brake controller. Read and follow the instructions here
as well as the instructions that have been prepared by
the breakaway brake manufacturer. If you do not have
Coupling To Tow Vehicle
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