4 Nevertheless, for David’s sake the LORD his God gave him a lamp in Jerusalem by raising up a son to succeed him and by making Jerusalem strong.

Read 1 Kings 15:4 Using Other Translations

Nevertheless for David's sake did the LORD his God give him a lamp in Jerusalem, to set up his son after him, and to establish Jerusalem:
Nevertheless, for David's sake the LORD his God gave him a lamp in Jerusalem, setting up his son after him, and establishing Jerusalem,
But for David’s sake, the LORD his God allowed his descendants to continue ruling, shining like a lamp, and he gave Abijam a son to rule after him in Jerusalem.