1955 GMC Electrical Trivia

  In mid-1955 General Motors introduced their long awaited new trucks, often referred to as the Second Series. The first half of the year 1955 (the first series)) GM continued to market the 1954 body style. They remained with the 6 volt system. Though Chevrolet trucks made a complete change-over from a 6 to 12 volt electrical system, GMC did...