I guess I would start by tracing the wires and seeing what circuit they are tied into for power. Make sure they go to one of the Ign terminals on the fuse block.
The lites should be simple-lot's of people tie the lights into the gray wire that supplies power to the console light so they dim/brighten with the instrument panel lights. Check the ground wire to make sure it is connected firmly to a reliable ground.
The lites should be simple-lot's of people tie the lights into the gray wire that supplies power to the console light so they dim/brighten with the instrument panel lights. Check the ground wire to make sure it is connected firmly to a reliable ground.