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Towing Requirements — Trailer Brakes
•Donot interconnect the hydraulic brake sys-
tem or vacuum system of your vehicle with
that of the trailer . This could cause inad-
equate braking and possible personal injury.
• An electronically actuated trailer brake con-
troller is required when towing a trailer with
electronically actuated brakes. When towing a
trailer equipped with a hydraulic surge actu-
ated brake system, an electronic brake con-
troller is not required.
• Trailer brakes are recommended for trailers
over 1,000 lbs (453 kg) and required for
trailers in excess of 2,000 lbs (907 kg).
WARNING!
• Do not connect trailer brakes to your vehi-
cle's hydraulic brake lines. It can overload
your brake system and cause it to fail. You
might not have brakes when you need
them and could have an accident.
•
Towing any trailer will increase your stopping
distance. When towing, you should allow for
additional space between your vehicle and
WARNING!
the vehicle in front of you. Failure to do so
could result in an accident.
CAUTION!
If the trailer weighs more than 1,000 lbs
(453 kg) loaded, it should have its own
brakes and they should be of adequate ca-
pacity. Failure to do this could lead to accel-
erated brake lining wear , higher brake pedal
effort, and longer stopping distances.
Integrated Trailer Brake Module — If
Equipped
Your vehicle may have an Integrated Trailer
Brake Module (ITBM) for Electric and Electric
Over Hydraulic (EOH) trailer brakes.
NOTE:
This module has been designed and verified
with electric trailer brakes and new electric over
hydraulic systems. Some previous EOH systems
may not be compatible with ITBM.
The user interface consists of the following:
Manual Brake Control Lever
Slide the manual brake control lever to the left
to activate power to the trailer's electric brakes
independent of the tow vehicle's brakes. If the
manual brake control lever is activated while the
brake is also applied, the greater of the two
inputs determines the power sent to the trailer
brakes.
The trailer and the vehicle's brake lamps will
come on when either vehicle braking or manual
trailer brakes are applied.
Trailer Brake Status Indicator Light
This light indicates the trailer electrical connec-
tion status.
If no electrical connection is detected after the
ignition is turned on, pushing the GAIN adjust-
ment button or sliding the manual brake control
lever will display the GAIN setting for 10 sec-
onds and the “Trailer Brake Status Indicator
Light” will not be displayed.
If a fault is detected in the trailer wiring or the
Integrated Trailer Brake Module (ITBM), the
“Trailer Brake Status Indicator Light” will flash.
STARTING AND OPERATING
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