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Home >> Ford >> 2004 >> Excursion 6.8 S, 4WD >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Locking Hubs >> Four-Wheel Drive Systems - Excursion & F250-F550 Super Duty >> Diagnosis And Testing >> Four-Wheel Drive Systems - Electronic Shift >> Principles of Operation >> Manual Override

Manual Override

The hublocks have manual override selector dials, which, when rotated to the "LOCK" position, will keep the mechanism locked regardless of the instrument panel 4X4 mode select switch position. Verify that both dials are in "AUTO" before evaluating ESOF operation.

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