Commander 2WD V8-4.7L (2008)
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When hauling cargo or towing a trailer, do not overload your vehicle or trailer. Overloading can cause a loss of control, poor performance or
damage to brakes, axle, engine, transmission, steering, suspension, chassis structure or tires.
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Safety chains must always be used between your vehicle and trailer. Always connect the chains to the hook retainers of the vehicle hitch. Cross the
chains under the trailer tongue and allow enough slack for turning corners.
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Vehicles with trailers should not be parked on a grade. When parking, apply the parking brake on the tow vehicle. Put the tow vehicle transmission
in PARK. For four-wheel drive vehicles, make sure the transfer case is not in NEUTRAL. Always, block or "chock" the trailer wheels.
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GCWR must not be exceeded.
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Total weight must be distributed between the tow vehicle and the trailer such that the following four ratings are not exceeded:
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GVWR
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GTW
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GAWR
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Tongue weight rating for the trailer hitch utilized (This requirement may limit the ability to always achieve the 10% to 15% range of tongue weight
as a percentage of total trailer weight).
Towing Requirements - Tires
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Do not attempt to tow a trailer while using a compact spare tire.
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Proper tire inflation pressures are essential to the safe and satisfactory operation of your vehicle. Refer to the "Tires-General Information" section
for proper tire inflation procedures.
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Also, check the trailer tires for proper tire inflation pressures before trailer usage.
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Check for signs of tire wear or visible tire damage before towing a trailer. Refer to the See: Wheels and Tires/Tires/Description and
Operation/Tires - Description section on Tread Wear Indicators for the proper inspection procedure.
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When replacing tires refer to See: Wheels and Tires/Tires/Description and Operation/Tires - Description section on Replacement Tires for proper
tire replacement procedures. Replacing tires with a higher load carrying capacity will not increase the vehicle's GVWR and GAWR limits.
Towing Requirements - Trailer Brakes
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Do not interconnect the hydraulic brake system or vacuum system of your vehicle with that of the trailer. This could cause inadequate braking and
possible personal injury.
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An electronically-actuated trailer brake controller is required when towing a trailer with electronically-actuated brakes. When towing a trailer
equipped with a hydraulic surge-actuated brake system, an electronic brake controller is not required.
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Trailer brakes are recommended for trailers over 1,000 lbs (454 kg) and required for trailers in excess of 2,000 lbs (907 kg).
CAUTION:
If the trailer weighs more than 1,000 lbs (454 kg) loaded, it should have its own brakes and they should be of adequate capacity. Failure to do
this could lead to accelerated brake lining wear, higher brake pedal effort, and longer stopping distances.
WARNING:
Do not connect trailer brakes to your vehicle's hydraulic brake lines. It can overload your brake system and cause it to fail. You might not have
brakes when you need them and could have an accident.
Towing any trailer will increase your stopping distance. When towing, you should allow for additional space between your vehicle and the
vehicle in front of you. Failure to do so could result in an accident.
Towing Requirements - Trailer Lights & Wiring
Whenever you pull a trailer, regardless of the trailer size, stop lights and turn signals on the trailer are required for motoring safety.
The Trailer Tow Package may include a 4 and 7-pin wiring harness. Use a factory approved trailer harness and connector.
The electrical connections are all complete to the vehicle but you must mate the harness to a trailer connector. Refer to the following illustrations.
