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Overdrive (O/D) switch: Notes

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Fig 1: Identifying Overdrive (O/D) Switch - Selector Lever
G04653197Courtesy of FORD MOTOR CO.

The O/D switch is located on the side of the selector lever.

The O/D switch transmits a signal to the PCM to select or suppress 4th gear in selector lever DRIVE position.

The signal of the O/D switch is used for the following functions:

No substitute signal is available for the O/D switch. If it should fail, it is always possible to shift into 4th gear in selector lever DRIVE position.