Posted by Gary on January 25, 1999 at 15:19:06:
In Reply to: More light quirks posted by Drew on January 23, 1999 at 23:32:52:
The most common cause of really weird behavior is
bad ground connections. If an item in the circuit has a poor ground,
it can find its ground backwards through the filament
of another device, thus turning it on, usually dimly.
Rusty ground connections is the first thing to look
for.