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Roger DeanAug 13, 2025
What to do if my JLG Lifting Systems unit is off and the engine won't crank?
- MMiranda HendersonAug 13, 2025
If the JLG Lifting Systems unit is off or disabled, and the engine won't crank, begin by checking the position of the selector switch and ensure the inhibit run is released. Inspect the warning LED and address any faults before restarting the RBS. Verify the start battery voltage, check the control fuse, and look for any loose wiring or connections.