2 Kings 16:18

And the covert for the sabbath that they had built in the house, and the king’s entry without, turned he from the house of the Lord for the king of Assyria.

Cross-reference

2 Chronicles 28:24 details Ahaz's further desecrations—cutting temple vessels and shutting doors—expanding on the alterations in this verse.

2 Chronicles 29:7 Historical context

2 Chronicles 29:7 describes the temple state after Ahaz—doors shut, lamps out—directly resulting from the changes made here.