Re: Where can I get a 12V timer switch?
The spring timers are almost impossible to find these days, but Ace hardware still carries them, and their web site sells them for about 1/3 less than the stores--with free delivery to your local store. (Great logic, huh?)
Electronic timers could be a problem if they are all solid state (no relay) and intended for use with AC. You'd have to check with the maker for specifics.