On Sat, 14 May 2011 10:58:22 -0700 (PDT), gcotterl
wrote:

A doorbell push-button operates my garage-door opener to raise and
lower the overhead garage door.

What am I doing wrong?

This really has noting to do with the OP. I was just refreshing my
memory on latching relays and I found this:

http://www.youtube.com/watch?v=cPjRhtuSxz0