Abstract: A vehicle lift system includes a vehicle lift operable to lift a vehicle to be serviced by a technician. The vehicle lift includes lifting components for engaging and lifting the vehicle at liftable structures of the vehicle. Electrodes are positioned on the lifting components of the vehicle lift. The electrodes are operable to make electrical contact with the liftable structures of the vehicle when the lifting components engage the liftable structures. A voltage detector system is in electrical communication with the electrodes. The voltage detector system is operable to detect voltages at the electrodes capable of harming the technician. The voltage detector system is also operable to send a warning signal to the technician indicating that a harmful voltage has been detected on the electrodes when the electrodes make electrical contact with the liftable structures of the vehicle.