3. Under the instrument cluster or touch screen radio
settings, enable jack mode. Jack mode will be canceled
and procedure must be restarted if the vehicle is driven
at speeds above 5mph (8 kmh).
4. Measure the height of the top of the front wheel opening
on the fender to ground, this is height H1.
5. Attach the trailer to the vehicle without the weight
distribution bars connected.
6. Measure the height of the top of the front wheel opening
on the fender to ground, this is height H2.
7. Install and adjust the tension in the weight distributing
bars per the manufacturers’ 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 touch screen radio settings
and switch off tire jack mode. Make sure the truck
returns to normal ride height. Preform a visual inspec-
tion of the trailer and weight distributing hitch to
confirm manufacturers’ recommendations have been
met.
9. The truck can now be driven.
Measurement Example
Example 1500 Height
(mm)
H1 925
H2 946
H2-H1 21
(H2-H1)/3 7
(H2-H1)/3 + H1 932
NOTE: For all towing conditions, we recommend towing
with tow haul mode engaged.
Measuring Height (H)
294 STARTING AND OPERATING
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