SECTION 10-G 1951 BUICK LIGHTING SYSTEM 10-53 1951 BUICK LIGHTING SWITCH AND CIRCUIT BREAKER Description of Lighting Switch The 1951 Buick lighting switch is a "push-pull" type which also incorporates a manually operated rheostat for controlling the map and instrument panel lights. Three "push-pull" positions of the switch knob provide control of the exterior lights as [...]