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Your vehicle is equipped with a heavy duty trailer tow wiring. An
electrical connector is provided under the instrument panel for installing
a customer-supplied electric brake controller. A Class I and IV connector
is provided at the hitch. These connectors provide power to the trailer
for taillamps, stop and turn lamps, back up lamps, battery charge,
electric brakes (when a customer provided controller is installed) and
ground. A kit containing a wiring harness/adapter and installation
instructions to attach an electric brake controller may be obtained from
any Ford or Lincoln/Mercury dealer (part number 2L1Z-14A348-AB).
Before towing a trailer, make sure the trailer brakes (if equipped) and
lamps are properly connected and functional. Refer to the brake
controller instructions to check for trailer brake functionality.
Rear axle
Engine
ratio
5.4L
All
Maximum frontal area of trailer is 5.6 square meters (60 square feet)
Rear axle
Engine
ratio
5.4L
All
Maximum frontal area of trailer is 5.6 square meters (60 square feet)
Do not exceed the maximum loads listed on the Safety Compliance
Certification label. For load specification terms found on the label, refer
to Vehicle loading in this chapter. Remember to figure in the tongue
load of your loaded trailer when figuring the total weight.
Towing trailers beyond the maximum recommended gross trailer
weight exceeds the limit of the vehicle and could result in
engine damage, transmission damage, structural damage, loss of control
and personal injury.
2003 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)
Maximum GCWR -
kg (lbs.)
4x2
6577 (14500)
Maximum GCWR -
kg (lbs.)
4x4
6577 (14500)
Driving
Trailer weight
range (0 -
maximum) kg
(lbs.)
0–3901 (0–8600)
Trailer weight
range (0 -
maximum) kg
(lbs.)
0–3765 (0–8300)
255
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