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Home >> Ford >> 2018 >> F-450 Super Duty Limited >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Four-Wheel Drive Systems >> Description And Operation >> Four-Wheel Drive Systems - System Operation and Component Description >> System Operation >> Electronic Locking Differential (ELD) System
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Electronic Locking Differential (ELD) System

The Electronic Locking Differential (ELD) system consists of the following components:

The optional ELD system allows the operator to lock the rear differential side gears on slippery and/or off road surfaces. ELD operation is requested by pulling out (4WD electronic shift vehicles) or turning the MSS to the on position (4WD manual shift and 2WD vehicles).

The operator can engage the ELD per the charts below: