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P a g e
BREAKAWAY
SWITCH
The
breakaway
switch
is
a
critical
safety
component
of
the
RV
brake
system.
You’ll
find
this
located
on
or
near
the
fifth
wheel
pinbox,
if
the
fifth
wheel
and
the
tow
vehicle
become
separated
during
towing,
the
line
will
pull
the
plunger
out
and
immediately
activate
the
trailers
brakes.
Always
make
sure
your
breakaway
switch
is
in
working
order.
To
test
your
breakaway
switch,
while
the
RV
is
still
hitched
to
the
tow
vehicle,
disconnect
the
tow
plug
from
the
vehicle
and
then
pull
the
breakaway
pin
out,
only
to
the
first
stage,
and
you
should
hear
the
brakes
engage.
NEITHER
THE
BREAKAWAY
SWITCH
NOR
THE
TRAILER
BRAKES
SHOULD
EVER
BE
USED
AS
A
PARKING
BRAKE.
ENSURE
THAT
THERE
IS
ENOUGH
SLACK
IN
THE
BREAKAWAY
SWITCH
CABLE
TO
ALLOW
FOR
TIGHT
TURNING
RADIUSES.
TOW
PLUG
The
tow
plug
(7
‐
way
wire
harness)
is
wired
to
your
RV
to
connect
electrical
power
from
the
tow
vehicle
for
the
RV
brakes,
taillights,
clearance
lights,
turn
signals
and
brake
lights.
Wiring
to
operate
your
brakes
must
be
the
same
size
in
both
the
tow
vehicle
and
RV.
Regularly
inspect
your
tow
plug
for
corrosion
and
build
up,
clean
as
needed.
If
damage
is
noticed,
have
the
tow
plug
repaired
by
an
authorized
RV
technician.