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STARTING AND OPERATING
170
9. If the trailer wheels lockup (indicated by
squealing tires), reduce the GAIN
setting; if the trailer wheels turn freely,
increase the GAIN setting.
Repeat steps 8 and 9 until the GAIN setting
is at a point just below trailer wheel lockup.
If towing a heavier trailer, trailer wheel
lockup may not be attainable even with the
maximum GAIN setting of 10.
* The suggested selection depends and may change depending on the customer preferences for braking performance. Condition of the trailer
brakes, dr
iving and road state may also affect the selection.
Display Messages
The trailer brake control interacts with the
i
nstrument
cluster display. Display
messages, along with a single chime, will be
displayed when a malfunction is determined
in the trailer connection, trailer brake
control, or on the trailer. Refer to “Instru
-
ment Cluster Display” in “Getting To Know
Y
our Instr
ument Panel” for further informa-
tion.
NOTE:
An aftermarket controller may be available
for use with trailers with air or elec-
tric-over-hydraulic trailer brake systems.
T
o determi
ne the type of brakes on your
trailer and the availability of controllers,
check with your trailer manufacturer or
dealer.
Removal of the ITBM will cause errors and
it may cause damage to the electrical
system and electronic modules of the
vehicle. See your authorized dealer if an
aftermarket module is to be installed.
Light Electric Heavy Electric Light EOH Heavy EOH
Type of Trailer Brakes Electric Trailer Brakes Electric Trailer Brakes Electric over Hydraulic
Trailer Brakes
Electric over Hydraulic
Trailer Brakes
Load *Under 10,000 lbs *Above 10,000 lbs *Under 10,000 lbs *Above 10,000 lbs
WARNING!
Connecting a trailer that is not compatible
with the ITBM system may result in
reduced or complete loss of trailer braking.
There may be a increase in stopping
distance or trailer instability which could
result in personal injury.
CAUTION!
Connecting a trailer that is not compatible
with the ITBM system may result in
reduced or complete loss of trailer braking.
There may be a increase in stopping
distance or trailer instability which could
result in damage to your vehicle, trailer, or
other property.
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