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EngineRear axle
ratioMaximum GCWR -
lb. (kg)Trailer weight
range (0 -
maximum) - lb.
(kg)
4x2
5.4L with
standard
trailer tow
packageAll 12000 (5443) 0–6000 (0–2721)
5.4L with
optional
trailer tow
packageAll 15000 (6804) 0–9000 (0–4082)
4x4
5.4L with
standard
trailer tow
packageAll 12300 (5579) 0–6000 (0–2721)
5.4L with
optional
trailer tow
packageAll 15000 (6804) 0–8700 (0–3946)
Note:For vehicles not equipped with the optional trailer tow package,
the maximum frontal area of trailer should not exceed the frontal area
of the vehicle.
Note:For vehicles equipped with the optional trailer tow package, the
maximum frontal area of trailer should not exceed 60 square feet (5.6
square meters).
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USA(fus)
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EngineRear axle
ratioMaximum GCWR -
lb. (kg)Trailer weight
range (0 -
maximum) lb. (kg)
Navigator L 4x2
5.4L with
standard
trailer tow
packageAll 12300 (5579) 0–6000 (0–2721)
5.4L with
optional
trailer tow
packageAll 15000 (6804) 0–8700 (0–3946)
Navigator L 4x4
5.4L with
standard
trailer tow
packageAll 12500 (5670) 0–6000 (0–2721)
5.4L with
optional
trailer tow
packageAll 15000 (6804) 0–8500 (0–3856)
Note:For vehicles not equipped with the optional trailer tow package,
the maximum frontal area of trailer should not exceed the frontal area
of the vehicle– 36.5 square feet (3.4 square meters).
Note:For vehicles equipped with the optional trailer tow package, the
maximum frontal area of trailer should not exceed 60 square feet (5.6
square meters).
Do not exceed the maximum loads listed on the Safety Compliance
Certification label. For load specification terms found on the label, refer
toVehicle loadingin this chapter. Remember to figure in the tongue
load of your loaded trailer when figuring the total weight.
WARNING: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, vehicle rollover and personal injury.
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USA(fus)
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
4 — Trailer tow battery charge relay
5 — Fuel pump relay
6 — Electronic fan 1 relay
7 — Rear window defroster/heated
mirror relay
8 — Electronic fan 3 relay
9 — Run/Start (R/S) relay
10 — Rear air suspension (RAS) relay
11 40A** Power running board
12 40A** R/S relay
13 30A ** Starter relay
14 40A** Electronic fan
15 20A** Right hand high intensity
discharge (HID) headlamp relay
16 40A** Electronic fan
17 20A** Left hand HID headlamp relay
18 30A** Trailer brake
19 60A** RAS relay feed
20 — Not used
21 30A** Trailer tow battery charge
22 30A** Passenger power seat
23 — A/C clutch relay
24 — Trailer tow park lamp relay
25 — Right hand HID headlamp relay
26 15A* Transmission control module
(TCM) keep-alive power
27 20A* 4x4
28 25A* Trailer tow park lamp relay
29 20A* Backup lamps, Integrated wheel
end solenoid
30 10A* A/C clutch relay
31 — Not used
Roadside Emergencies
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Owners Guide(own2002), 1st Printing
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