Ford 2010 F-150 v.1 Manuel d'utilisateur télécharger pdf (Page 265)

The GAIN should be set to provide the maximum trailer braking

assistance while ensuring the trailer wheels do not lock when braking.

Locked trailer wheels may lead to trailer instability.

Note: This should only be performed in a traffic free environment at

speeds of approximately 20–25 mph (30–40 km/h).

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 a trailer with electric brakes is plugged in, the TRAILER

CONNECTED message will display in the instrument cluster message

center. 4. Use the GAIN adjustment (+/-) 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 lockup may

not be attainable even with the maximum GAIN setting of 10.

Explanation of instrument cluster warning messages:

The TBC interacts with the instrument cluster message center to display

the following messages:

TRAILER BRAKE MODULE FAULT: This message is displayed and

accompanied by a single chime, in response to faults sensed by the TBC.

In the event this message is seen, please contact your authorized dealer

as soon as possible for diagnosis and repair. The TBC may still function,

but performance may be degraded.

WIRING FAULT ON TRAILER: This message is displayed when a

Short circuit on the electric brake output wire has occurred. If the

WIRING FAULT ON TRAILER message is displayed and accompanied

by a single chime, with no trailer connected, the problem is with the

vehicle wiring from the TBC to the 7–pin connector in the bumper. If the

message is only displayed with a trailer connected, the problem is related

to the trailer wiring; consult your trailer dealer for assistance. This can

be a short to ground (i.e., chaffed wire) or a short to voltage (i.e., pulled

pin on trailer emergency break-away battery) or trailer brakes drawing

too much current.

Tires, Wheels and Loading

265

2010 F-150 (f12)

Owners Guide, 1st Printing

USA (fus)

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Ford 2010 F-150 v.1 Manuel d'utilisateur Page 265

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Ford 2010 F-150 v.1 Manuel d'utilisateur Page 265

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