Ford 2014 F-550 v.2 Manuel d'utilisateur télécharger pdf (Page 196)

• TRAILER CONNECTED: Displays

when the system senses a correct

trailer wiring connection (a trailer with

electric trailer brakes) during a given

ignition cycle.

• TRAILER DISCONNECTED: Displays,

accompanied by a single audible time,

when the system senses a trailer

connection and then a disconnection,

either intentional or unintentional,

during a given ignition cycle. It also

displays if a truck or trailer-wiring fault

occurs causing the trailer to appear

disconnected. This message can also

display if you use the manual control

lever without a trailer connected.

B: Manual control lever: Slide the control

lever to the left to turn on the trailer's

electric brakes independent of the tow

vehicle's See the following Procedure for

adjusting gain section for instructions on

proper use of this feature. If you use the

manual control while the brake is also

applied, the greater of the two inputs

determines the power sent to the trailer

brakes.

• Stop lamps: Using the manual control

lever illuminates both the trailer brake

lamps and your vehicle brake lamps

except the center high-mount stop

lamp, if you make the proper electrical

connection to the trailer. Pressing your

vehicle brake pedal also illuminates

both trailer and vehicle brake lamps.

Procedure for Adjusting Gain

Note: Only perform this procedure in a

traffic-free environment at speeds of

approximately 20-25 mph (30-40 km/h).

The gain setting sets the trailer brake

controller for the specific towing condition.

You should change the setting as towing

conditions change. Changes to towing

conditions include trailer load, vehicle load,

road conditions and weather.

The gain should be set to provide the

maximum trailer braking assistance while

making sure the trailer wheels do not lock

when using the brakes. Locked trailer

wheels may lead to trailer instability.

1. Make sure the trailer brakes are in good

working condition, functioning normally

and properly adjusted. See your trailer

dealer if necessary.

2. Hook up the trailer and make the

electrical connections according to the

trailer manufacturer's instructions.

3. When you plug in a trailer with electric

or electric-over-hydraulic brakes,

TRAILER CONNECTED appears in

the information display.

4. Use the gain adjustment (+ and -)

buttons to increase or decrease the

gain setting to the desired starting

point. A gain setting of 6.0 is a good

starting point for heavier loads.

5. In a traffic-free environment, tow the

trailer on a dry, level surface at a speed

of 20-25 mph (30-40 km/h) and

squeeze the manual control lever

completely.

6. If the trailer wheels lock up, indicated

by squealing tires, reduce the gain

setting. If the trailer wheels turn freely,

increase the gain setting. Repeat Steps

5 and 6 until the gain setting is at a

point just below trailer wheel lock-up.

If towing a heavier trailer, trailer wheel

lock-up may not be attainable even

with the maximum gain setting of 10.

Explanation of Information Display

Warning Messages

Note: An authorized dealer can diagnose

the trailer brake controller to determine

exactly which trailer fault has occurred.

However, your Ford warranty does not cover

this diagnosis if the fault is with the trailer.

193

Super Duty (TFA)

Towing

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