Glad you found the culprit. It could have been a high resistance contact with the floor, acting like a light bulb and drawing little enough current not to blow the fuse. Electrical Gremlins are tough to track down and kill.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.