One of my sets was minus any guts, so I've no idea if it was single or dual filament. I'm pretty sure the other set only had one wire, but that doesn't mean it was always that way.


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...