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STARTING AND OPERATING 213
Towing With All Other 2500/3500 (Non-Air
Suspension)
1. Position the truck to be ready to connect to
the trailer (do not connect the trailer).
2. Measure the height of the top of the front
wheel opening on the fender to ground, this is
height H1.
3. Attach the trailer to the vehicle without the
w
eight distribution bars connected.
4. Measure the height of the top of the front
wheel opening on the fender to ground, this is
height H2.
5. Install and adjust the tension in the weight
d
istributing bars per the manufacturer’s
recommendations so that the height of the
front fender is approximately (H2-H1)/2+H1
(about 1/2 the difference between H2 and H1
above normal ride height [H1]).
6. Perform a visual inspection of the trailer and
w
eight distributing hitch to confirm
manufacturer’s recommendations have been
met.
NOTE:
For all towing conditions, we recommend towing
wi
th TOW/HAUL mode engaged.
Fifth-Wheel Hitch
The fifth-wheel hitch is a special high platform with
a coupling that mounts over the rear axle of the tow
vehicle in the truck bed. It connects a vehicle and
fifth-wheel trailer with a coupling king pin.
Your truck may be equipped with a fifth wheel hitch
option. Refer to the separately provided fifth wheel
hitch safety, care, assembly, and operating
instructions.
Gooseneck Hitch
The gooseneck hitch employs a pivoted coupling
arm which attaches to a ball mounted in the bed of
a pickup truck. The coupling arm connects to the
hitch mounted over the rear axle in the truck bed.
Measurement
Example
Example 2500/3500
Height (mm)
H1 1030
H2 1058
H2-H1 28
(H2-H1)/2 14
(H2-H1)/2 + H1 1044
4
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