The Stovebolt Site Forums The Parking Lot Panels 'N Burbs GM Panel Truck Assembly line Photo, Norwood, Ohio Plant

Tough one, obviously A-D. I'm looking at the little hole in the left rear door post for the wire conduit to power the tail-stop lamp. I remember hearing that some years used contact points instead. My '53 has that conduit...I might be on the wrong track though.