Back in the Golden Twenties of the past century damaged lights caused by stones or spills were common. Lighting and charging systems were far from being dependable as we are used to it today. Getting spares for a Harley-Davidson in Germany was complicated and lengthy which brought many owners to switch to local products, which were available at any motorcycle dealer around the corner. Some guys even ordered their new machines without lighting and charging system and had them equipped with teutonic alternatives right from the start....