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Vehicle SeriesHitch Type Maximum Tongue Weight
1500 Weight Carrying 272 kg (600 lb)
1500 Weight Distributing 453 kg (1,000 lb)
The trailer tongue weight contributes
to the Gross Vehicle Weight (GVW).
GVW includes the CURB WEIGHT of
your vehicle, any passengers, cargo,
equipment and the trailer tongue
weight. Vehicle options, passengers,
cargo, and equipment reduce the
maximum allowable tongue weight
the vehicle can carry, which also
reduces the maximum allowable
trailer weight.
Trailer Load Balance
The correct trailer load balance must
be maintained to ensure trailer
stability. Incorrect load balance is a
leading cause of trailer sway.The trailer tongue weight (1) should
be 10–15% of the total loaded trailer
weight (2). Some specific trailer types,
such as boat trailers, fall outside of
this range. Always refer to the trailer
owner’s manual for the recommended
trailer tongue weight for each trailer.
Never exceed the maximum loads for
your vehicle, hitch and trailer. The trailer load balance percentage is
calculated as: weight (1) divided by
weight (2) times 100.
After loading the trailer, separately
weigh the trailer and then the trailer
tongue and calculate the trailer load
balance percentage to see if the
weights and distribution are
appropriate for your vehicle. If the
trailer weight is too high, it may be
possible to trasfer some of the cargo
into your vehicle. If the trailer tongue
weight is too high or too low, it may
be possible to rearrange some of the
cargo inside of the trailer.
Do not exceed the maximum
allowable tongue weight for your
vehicle. Use the shortest hitch
extension available to position the
hitch ball closer to your vehicle. This
will help reduce the effect of the
trailer tongue weight on the trailer
hitch and the rear axle.
If a cargo carrier is used in the trailer
hitch receiver, choose a carrier that
positions the load as close to the
vehicle as possible. Make sure the
total weight, including the carrier, is
no more than half of the maximum
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allowable tongue weight for the
vehicle or 227 kg (500 lb), whichever
is less.
Rear Gross Axle Weight Rating
(GAWR-RR)
The GAWR-RR is the total weight that
can be supported by the rear axle of
the vehicle. Do not exceed the
GAWR-RR for the vehicle, with the
tow vehicle and trailer fully loaded for
the trip including the weight of the
trailer tongue. If using a
weight-distributing hitch, do not
exceed the GAWR-RR before applying
the weight distribution spring bars.
Ask your dealer for trailering
information or assistance.
Towing Equipment
Hitches
Always use the correct hitch
equipment for your vehicle.
Crosswinds, large trucks going by, and
rough roads can affect the trailer and
the hitch.
Proper hitch equipment for your
vehicle helps maintain control of the
vehicle-trailer combination. Many
trailers can be towed using a
weight-carrying hitch which has a
coupler latched to the hitch ball, or a
tow eye latched to a pintle hook.
Other trailers may require a
weight-distributing hitch that uses
spring bars to distribute the trailer
tongue weight between your vehicle
and trailer axles. See“Maximum
Trailer Tongue Weight Rating” under
Trailer Towing 0260 for weight limits
with various hitch types. Never attach rental hitches or other
bumper-type hitches. Only use
frame-mounted hitches that do not
attach to the bumper.
Hitch Cover
To remove hitch cover, if equipped:
1. Remove the two fasteners on the lower tabs.
2. Pull the lower edge of the cover to about a 45 degree angle.
3. Pull the cover downward to disengage the upper
attachments.
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To reinstall hitch cover:1. Hold cover at a 45 degree angle to the vehicle and push the
upper tabs into the slots in the
bumper.
2. Push the bottom of the cover forward until the lower tabs line
up with the lower slots.
3. Snap the hitch cover into place by pushing the upper corners
forward.
4. Reinstall the two fasteners on the lower tabs.
Consider using mechanical sway
controls with any trailer. Ask a
trailering professional about sway
controls or refer to the trailer
manufacturer's recommendations and
instructions.
Weight-Distributing Hitch
Adjustment
A weight-distributing hitch may be
useful with some trailers. Use the
following guidelines to determine if a
weight-distributing hitch should
be used.
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Vehicle SeriesTrailer WeightWeight-Distributing Hitch
Usage Hitch Distribution
1500 Up to 3 175 kg (7,000 lb) OptionalRefer to trailer
manufacturer’s
recommendation
1500 Over 3 175 kg (7,000 lb) Required50%
1. Front of Vehicle
2. Body to Ground Distance
When using a weight-distributing
hitch, measure the front fender height
above the front axle distance (2)
before and after connecting trailer.
Adjust the spring bars until the front fender height distance (2) is
approximately half way between the
first and second measurements.
If equipped with
Automatic Level
Control 0225, it is recommended to
allow the shocks to inflate, leveling
the vehicle prior to adjusting the
hitch.
Tires
. Do not tow a trailer while using a
compact spare tire on the vehicle.
. Tires must be properly inflated to
support loads while towing a
trailer. See Tires0311 for
instructions on proper tire
inflation.
Safety Chains
Always attach chains between the
vehicle and the trailer, and attach the
chains to the holes on the trailer hitch
platform. Instructions about safety
chains may be provided by the hitch
manufacturer or by the trailer
manufacturer.
Cross the safety chains under the
tongue of the trailer to help prevent
the tongue from contacting the road if
it becomes separated from the hitch.
Always leave just enough slack so the
combination can turn. Never allow
safety chains to drag on the ground.
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Trailer Brakes
Loaded trailers over 900 kg (2,000 lb)
must be equipped with brake systems
and with brakes for each axle. Trailer
braking equipment conforming to
Canadian Standards Association (CSA)
requirement CAN3-D313, or its
equivalent, is recommended.
State or local regulations may require
trailers to have their own braking
system if the loaded weight of the
trailer exceeds certain minimums that
can vary from state to state. Read and
follow the instructions for the trailer
brakes so they are installed, adjusted,
and maintained properly. Never
attempt to tap into your vehicle's
hydraulic brake system. If you do,
both the vehicle anti-lock brakes and
the trailer brakes may not function,
which could result in a crash.
Trailer Wiring Harness
The seven-pin trailer connector is
mounted in the bumper. This
connector can be plugged into a
seven-pin universal heavy-duty trailer
connector available through your
dealer.Use only a round, seven-wire
connector with flat blade terminals
meeting SAE J2863 specifications for
proper electrical connectivity.
The seven-wire harness contains the
following trailer circuits:
.
Yellow/Grey: Left Stop/Turn Signal
. Green/Violet: Right Stop/Turn
Signal
. Grey/Brown: Taillamps
. White: Ground
. White/Green: Back-up Lamps
. Red/Green: Battery Feed
. Dark Blue: Trailer Brake
To help charge a remote (non-vehicle)
battery, press the Tow/Haul Mode
button at the end of the shift lever.
If the trailer is too light for Tow/Haul
Mode, turn on the headlamps to help
charge the battery.
Electric Brake Control Wiring
Provisions
These wiring provisions are included
with the vehicle as part of the trailer
wiring package. These provisions are
for an electric brake controller.
The harness should be installed by
your dealer or a qualified service
center.
Refer to the aftermarket electric trailer
brake controller owner's manual to
determine wire color coding of the
electric trailer brake controller. The
wire colors on the brake controller
may be different from the vehicle.
Trailer Lamps
Always check all trailer lamps are
working at the beginning of each trip,
and periodically on longer trips.
Turn Signals When Towing a
Trailer
When properly connected, the trailer
turn signals should will illuminate to
indicate the vehicle is turning,
changing lanes, or stopping. When
towing a trailer, the arrows on the
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instrument cluster will illuminate
even if the trailer is not properly
connected or the bulbs are
burned out.
Tow/Haul Mode
For instructions on how to enter Tow/
Haul mode, seeTow/Haul Mode0213.
Tow/Haul assists when pulling a
heavy trailer or a large or heavy load.
Tow/Haul Mode is designed to be
most effective when the vehicle and
trailer combined weight is at least
75% of the vehicle's Gross Combined
Weight Rating (GCWR). See
“Maximum Trailer Weight ”under
Trailer Towing 0260.
Tow/Haul Mode is most useful when
towing a heavy trailer or carrying a
large or heavy load:
. through rolling terrain
. in stop-and-go traffic
. in busy parking lots
Operating the vehicle in Tow/Haul
Mode when lightly loaded or not
towing will not cause damage;
however, it is not recommended and may result in unpleasant engine and
transmission driving characteristics
and reduced fuel economy.
Integrated Trailer Brake Control
System
The vehicle may have an Integrated
Trailer Brake Control (ITBC) system
for use with electric trailer brakes or
most electric over hydraulic trailer
brake systems. These instructions
apply to both types of electric trailer
brakes.
This symbol is on the Trailer Brake
Control Panel on vehicles with an
ITBC system. The power output to the
trailer brakes is proportional to the
amount of vehicle braking. This
available power output to the trailer
brakes can be adjusted to a wide
range of trailering situations.
The ITBC system is integrated with
the vehicle’s brake, anti-lock brake,
and StabiliTrak systems. In trailering
conditions that cause the vehicle’s
anti-lock brake or StabiliTrak systems
to activate, power sent to the trailer's
brakes will be automatically adjusted
to minimize trailer wheel lock-up.
This does not imply that the trailer
has StabiliTrak.
If the vehicle’s brake, anti-lock brake,
or StabiliTrak systems are not
functioning properly, the ITBC system
may not function fully or at all. Make
sure all of these systems are fully
operational to allow the ITBC system
to function properly.
The ITBC system is powered through
the vehicle's electrical system. Turning
the ignition off will also turn off the
ITBC system. The ITBC system is fully
functional only when the ignition is in
ON/RUN.
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{Warning
Connecting a trailer that has an air
brake system may result in reduced
or complete loss of trailer braking,
including increased stopping
distance or trailer instability which
could result in serious injury, death,
or property damage. Only use the
ITBC system with electric or electric
over hydraulic trailer brake systems.
Trailer Brake Control Panel
1. Manual Trailer Brake Apply Lever 2. Trailer Gain Adjustment
Buttons
The ITBC control panel is on the
instrument panel to the left of the
steering column. See Instrument Panel
0 6. The control panel allows
adjustment to the amount of output,
referred to as Trailer Gain, available to
the trailer brakes and allows manual
application of the trailer brakes. Use
the ITBC control panel and the DIC
trailer brake display page to adjust
and display power output to the
trailer brakes.
Trailer Brake DIC Display Page
The ITBC display page indicates:
. Trailer Gain setting
. Output to the trailer brakes
. Trailer connection
. System operational status.
To display:
. Scroll through the DIC menu
pages
. Press a Trailer Gain (+) or (−)
button .
Activate the Manual Trailer Brake
Apply Lever
TRAILER GAIN:
Press a Trailer Gain button to recall
the current Trailer Gain setting. Each
press and release of the gain buttons
will then change the Trailer Gain
setting. Press the Trailer Gain (+) or
(−) to adjust. Press and hold to
continuously adjust the Trailer Gain.
To turn the output to the trailer off,
adjust the Trailer Gain setting to 0.0.
This setting can be adjusted from 0.0
to 10.0 with a trailer connected or
disconnected.
TRAILER OUTPUT: This displays
anytime a trailer with electric brakes
is connected. Output to the trailer
brakes is based on the amount of
vehicle braking present and relative to
the Trailer Gain setting. Output is
displayed from 0 to 100% for each
gain setting.
The Trailer Output will indicate “- - - -
- -” on the Trailer Brake Display Page
whenever the following occur:
. No trailer is connected.
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.A trailer without electric brakes is
connected, no DIC message will
display
. A trailer with electric brakes has
become disconnected, a CHECK
TRAILER WIRING message
displays on the DIC
. There is a fault present in the
wiring to the trailer brakes, a
CHECK TRAILER WIRING
message displays on the DIC
. The ITBC system is not working
due to a fault, a SERVICE
TRAILER BRAKE SYSTEM
message displays in the DIC
Manual Trailer Brake Apply Lever
Slide this lever left to apply the
trailer’s electric brakes independent of
the vehicle’s brakes. Use this lever to
adjust Trailer Gain to achieve the
proper power output to the trailer
brakes. The trailer's and the vehicle's
brake lamps will come on when either
vehicle brakes or manual trailer brakes
are applied and properly connected. Trailer Gain Adjustment Procedure
Trailer Gain should be set for a
specific trailering condition and it
must be readjusted anytime vehicle
loading, trailer loading, or road surface
conditions change.
{Warning
Trailer brakes that are over-gained
or under-gained may not stop the
vehicle and the trailer as intended
and can result in a crash. Always
follow the instructions to set the
Trailer Gain for the proper trailer
stopping performance.
To adjust Trailer Gain for each towing
condition: 1. Drive the vehicle with the trailer attached on a level road surface
representative of the towing
condition and free of traffic at
about 32 to 40 km/h (20 to
25 mph) and fully apply the
Manual Trailer Brake apply lever. Note
Adjusting Trailer Gain at speeds lower
than 32 to 40 km/h (20 to 25 mph)
may result in an incorrect gain
setting.
2. Adjust the Trailer Gain, using the Trailer Gain adjustment buttons,
to just below the point of trailer
wheel lock-up, indicated by
trailer wheel squeal or tire smoke
when a trailer wheel locks.
Note
Trailer wheel lock-up may not occur if
towing a heavily loaded trailer. In this
case, adjust the Trailer Gain to the
highest allowable setting for the
towing condition. 3. Readjust Trailer Gain any time vehicle loading, trailer loading,
or road surface conditions
change or if trailer wheel lock-up
is noticed at any time while
towing.
Other ITBC-Related DIC Messages
TRAILER CONNECTED: This message
will briefly display when a trailer with
electric brakes is first connected to