Greetings Roger!
Backup lights were evidently standard on my '78 Argosy Minuet 6.0 Metre,
and they were an option on my '64 Airstream Overlander - -
unfortunately, the Overlander didn't receive the option (one of the few
that it didn't receive).
Kevin
Kevin D. Allen
1964 Overlander International/1999 GMC K2500 Suburban
1978 Argosy Minuet
1975 Cadillac Convertible (towcar in-training)
WBCCI/VAC #6359