RAM 1500 2020 Owner's Manual page 301

4. Measure the height of 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 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. Perform a visual inspection of the
trailer and weight distributing hitch to
confirm manufacturers' recommendations
have been met.
STARTING AND OPERATING
9. The truck can now be driven.
Measurement Example 1500 Height
Example
H1
H2
H2-H1
(H2-H1)/3
(H2-H1)/3 + H1
NOTE:
For all towing conditions, we recommend towing
with tow haul mode engaged.
299
(mm)
925
946
21
7
932
5