I've thought about welding some angle iron to the Blue Ox inserts that mate to the tow bar. Then drill holes into the angle iron pieces to mount a plate of steel to those which the winch would mount to.
After setting your Bronco to Neutral Tow, remember to turn the ignition 'Off'. Just wandering away with it still in Accessory is what I suspected put my bronco into a battery protect mode once. It took three days to draw down the battery to protect mode, as I recall. The battery was still at...