Carefully lift the probe, the wire is wrapped around the hub inside. Remove the grease from both sides and apply a thin coating of Super Lube O-Ring lubricant. When putting the probe back down make sure the wire is not pinched and wraps around the hub like it was.

Verify the wire is seated properly by opening the probe while holding it down and make sure the wire is not pulled. It should be routed behind the screw post as shown.

Put the two halves back together making sure to not pinch the wire.