2004 Ford F350 Owner Guide 3rd Printing - Page 186

Driving Do not connect a trailer's hydraulic brake system directly to your vehicle's brake system. Your vehicle may not have enough braking power and your chances of having a collision greatly increase. The braking system of the tow vehicle is rated for operation at the GVWR not GCWR. Trailer lamps Trailer lamps are required on most towed vehicles. Make sure all running lights, brake lights, turn signals and hazard lights are working. See your dealer or trailer rental agency for proper instructions and equipment for hooking up trailer lamps. Using a step bumper (if equipped) The rear bumper is equipped with an integral hitch and only requires a ball with a one inch (25.4 mm) shank diameter. The bumper has a 5,000 lbs. (2,270 kg) trailer weight and 500 lbs. (227 kg) tongue weight capacity. If it is necessary to relocate the trailer hitch ball position, a frame-mounted trailer hitch must be installed. Driving while you tow When towing a trailer: • Turn off the speed control. The speed control may shut off automatically when you are towing on long, steep grades. • Consult your local motor vehicle speed regulations for towing a trailer. • If your vehicle is equipped with a 4-speed automatic transmission: To eliminate excessive transmission shifting, use a lower gear. This will also assist in transmission cooling. (For additional information, refer to the Understanding the positions of the 4-speed automatic transmission section in this chapter. • If your vehicle is equipped with a 5-speed automatic transmission: To eliminate excessive transmission shifting, activate the Tow/Haul feature. This will also assist in transmission cooling. (For additional information, refer to the Understanding the positions of the 5-speed automatic transmission section in this chapter. • Anticipate stops and brake gradually. • Do not exceed the GCWR rating or transmission damage may occur. 186 2004 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus)