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Tires, Wheels and Loading
WARNING: 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.
Integrated trailer brake controller (if equipped)
Your vehicle may be equipped with a fully integrated electronic trailer
brake controller (TBC). When used properly, the TBC helps ensure
smooth and effective trailer braking by powering the trailer's electric
brakes with a proportional output based on the towing vehicle's brake
pressure.
WARNING: The Ford TBC has only been verified to be
compatible with trailers having electric-actuated drum brakes
(one to four axles) and not hydraulic surge or electric-over-hydraulic
types. It is the responsibility of the customer to ensure that the trailer
brakes are adjusted appropriately, functioning normally and all electric
connections are properly made.
The TBC user interface consists of
the following:
1. OUTPUT bar graph: When the
vehicle's brake pedal is pushed, or
when the manual control is
activated, blue bar indicators will
illuminate to indicate the amount of
power going to the trailer brakes
relative to the brake pedal or
manual control input.
2. Trailer connection indicator: This lamp indicates trailer electrical
connection status.
• When a successful trailer connection is detected, the indicator will be
blue. The display does not flash or turn off when a trailer is
connected.
• If the electrical connection is lost, the indicator will flash. If the
connection is lost while the vehicle is stationary, the indicator will turn
off 30 seconds after releasing the manual control and gain buttons.
258
2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
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