Spark plug abuse! Tell me this isn’t really happening!

Daily 70s Spot time. Today, an Army vehicle depot and a “Dear John” letter are featured in this Autolite Spark Plugs commercial spotted on the tube in July of 1977. The actor appears to be Mel Stewart (The Jeffersons).

Previously, on Daily 70s Spot: Spider-Man for Pizzazz Magazine (1978)