Ford F-650 2015 Owner's Manual page 129

128
Main transmission, auxiliary transmission, transfer case and power
take-off (PTO) control shift patterns can be found on a placard or decal
on the driver's sun visor, on the instrument panel or on the shift control
itself.
Use the main transmission control to select the various gear ratios or
speeds of the transmission. Selecting position D does not change the
transmission gear ratio, but for use where the gear ratios in the main
transmission are adequate to handle the vehicle operation.
If the transmission fails to shift properly, check the inline 10A fuse
located in the battery cables above the battery.
Brake-shift Interlock
Vehicles equipped with a gasoline engine have a brake-shift interlock
feature that prevents you from moving the gearshift lever from position
P when the ignition is in the on position and the brake pedal is not
pressed.
If you cannot move the gearshift lever out of position P with the ignition
in the on position and the brake pedal pressed, it is possible that a fuse
has blown or your vehicle's brake lamps are not operating properly. See
the Fuses chapter.
WARNING: Do not drive your vehicle until you verify that the
brake lamps are working.
WARNING: When doing this procedure, you will be taking the
vehicle out of park which means the vehicle can roll freely. To
avoid unwanted vehicle movement, always fully set the parking brake
prior to doing this procedure. Use wheel chocks if appropriate.
WARNING: If the parking brake is fully released, but the brake
warning lamp remains illuminated, the brakes may not be
working properly. See your authorized dealer.
2015 F-650/750 (f67)
Owners Guide gf, 2nd Printing, April 2014
USA (fus)
Transmission