SECTION 10-G 1958 BUICK LIGHTING SYSTEM 10-47 1958 BUICK HEADLIGHTS AND CONTROLS Description of 1958 Buick Lighting Switch The switch has push-in-type wire terminals. Each terminal on the switch is color-coded to match the color of the wire. It is a "push-pull" type which also incorporates a manually operated rheostat for controlling the instrument panel [...]