Light isn't the prob, there was exactly the same amount of light between the thing working and it conking out. It's like it's not taking any light in. Thanks for the tip, Adkenpachi, I'll look for that.
"If you can't be good, be colorful." -- Pete Conrad
"There's only one principle of war and that's this. Hit the other fellow, as quick as you can, and as hard as you can, where it hurts him most, when he ain't lookin'!" -- Bill Slim