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188
STARTING AND OPERATING
NOTE:
The vehicle must remain in the engine run position
with all doors closed while attaching a trailer for
proper leveling of the air suspension system.
2.
Position the truck to be ready to connect to the
trailer (do not connect the trailer).
3.
Enable tire jack mode through the instrument
cluster or touchscreen radio settings. Tire jack
mode will be canceled and the procedure must be
restarted if the vehicle is driven at speeds above 5
mph (8 km/h).
4.
Measure the height from the top of the front wheel
opening on the fender to ground; this is height H1.
Measuring Height (H)
5.
Attach the trailer to the vehicle without the weight-
distributing bars connected.
6.
Measure the height from the top of the front wheel
opening on the fender to the ground; this is height
H2.
7.
Install and adjust the tension in the weight-
distributing bars per the manufacturer's
recommendations so that the height of the front
fender is approximately (H2-H1)/3+H1 (about 1/3
the difference between H2 and H1 above normal
ride height [H1]).
8.
Use the instrument cluster or touchscreen radio
settings and switch off tire jack mode. Make sure
the truck returns to normal ride height. Perform
a visual inspection of the trailer and weight-
distributing hitch to confirm the manufacturer's
recommendations have been met.
9.
The truck can now be driven.
Measurement Example
Example Height (mm)
H1
H2
H2-H1
(H2-H1)/3
(H2-H1)/3 + H1
NOTE:
For all towing conditions, we recommend towing with
Tow/Haul mode engaged.
T
H
T
M
RAILER
ITCH
YPE AND
AXIMUM
W
EIGHT
The following chart provides the maximum trailer weight
a given factory equipped trailer hitch type can tow and
should be used to assist you in selecting the correct
trailer hitch for your intended towing condition.
Trailer Hitch Type and Maximum Trailer Weight
Max. Trailer Weight / Max.
Hitch Type
Tongue Weight
Class IV - 1500 Mod-
12,750 lb (5,783 kg) / 1,275
el
lb (578 kg)
Trailer Hitch Type and Maximum Trailer Weight
Refer to the "Trailer Towing Weights (Maximum Trail-
er Weight Ratings)" for the Maximum Gross Trailer
Weight (GTW) towable for your given drivetrain.
All trailer hitches should be professionally installed on
your vehicle.
NOTE:
Be careful not to scratch the bumper step pad.
T
T
RAILER
OWING
T
W
925
RAILER
EIGHT
946
NOTE:
21
For trailer towing information (maximum trailer weight
7
ratings) refer to the following website addresses:
932
●
ramtrucks.com/towing/towing-guide
●
ramtruck.ca (Canada)
●
rambodybuilder.com
T
A
T
RAILER
ND
RAILER
Never exceed the maximum tongue weight stamped on
your fascia/bumper or trailer hitch.
W
(M
EIGHTS
AXIMUM
R
)
ATINGS
T
W
ONGUE
EIGHT
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