They set the ark of God on a new cart and brought it from the house of Abinadab, which was on the hill. Uzzah and Ahio, sons of Abinadab, were guiding the new cart
It was because you, the Levites, did not bring it up the first time that the Lord our God broke out in anger against us. We did not inquire of him about how to do it in the prescribed way.”
They were responsible for the care of the ark, the table, the lampstand, the altars, the articles of the sanctuary used in ministering, the curtain, and everything related to their use.