Also Judah kept not the commandments of the LORD their God, but walked in the statutes of Israel which they made.

But neither did Juda itself keep the commandments of the Lord their God: but they walked in the errors of Israel, which they had wrought.

Also Judah hath not kept the commands of Jehovah their God, and they walk in the statutes of Israel that they had made.

(But even Judah did not keep the orders of the Lord their God, but were guided by the rules which Israel had made.

Also Judah kept not the commandments of the LORD their God, but walked in the statutes of Israel which they practised.

But even Judah did not keep the commandments of the Lord, their God. Instead, they walked in the errors of Israel, which they had wrought.

This verse and the next are parenthetical. Here again, as in 2-Kings 17:13, the writer is led on from his account of the sins and punishment of the Israelites to glance at the similar sins and similar punishment of the Jews.
It was the worst reproach which could be urged against any Jewish king, that he "walked in the way of the kings of Israel" 2-Kings 8:18; 2-Kings 16:3; 2-Chronicles 21:6; 2-Chronicles 28:2. The Baal worship is generally the special sin at which the phrase is leveled; but the meaning here seems to be wider. Compare Micah 6:16.

Also Judah kept not the commandments of the Lord their God,.... But were infected with the idolatry of the ten tribes, and drawn into it by their example, and persisted therein, notwithstanding what befell the ten tribes; which are aggravations of the sins of them both, see Jeremiah 3:7,
but walked in the statutes of Israel which they made; worshipping the calves as they did, particularly in the times of Ahaz, he setting the example, see 2-Kings 16:3.

Judah kept not - Judah's idolatry and wickedness are here remembered, as an aggravation of the sin of the Israelites, which was not only evil in itself, but mischievous to their neighbour, who by their examples were instructed in their wicked arts, and provoked to an imitation of them.