Chopface wrote:
>
> I have a '91 Civic. The cold weather (below freezing) has finally been a
> consistent reality where I live, and my headlights are acting up. I'm
> thinking its gotta be the switch, and I'd like to see if anyone has any
> experience with this.

<snip>

It is fairly common for the switch to fail in the mode you describe.
Replace the switch or clean the internals with contact cleaner.