Yes it should some what. Try this you may have already. Start the Kirby be sure the BRUSH ROLL is TURNING also be sure it is free from hair or any thing that is slowing it down GOOD LUCK Doug
I don't know where/who you got that information from but the Dual Sanitronic 50 was released in April 1965 and every unit of that model had the illuminated lense on the headlight hood. How do I know you ask? My grandmother's 1967 D50 has it on hers.