3 And in the eighth year of his reign (and he yet a youth), he hath begun to seek to the God of David his father, and in the twelfth year he hath begun to cleanse Judah and Jerusalem from the high places, and the shrines, and the graven images, and the molten images.
3
In the eighth year of his reign, while he was still young, he began to seek the God of his father David. In his twelfth year he began to purge Judah and Jerusalem of high places, Asherah poles and idols.
Young's Literal Translation is in the public domain.