Originally posted by powellds
So, if it does mean switch power, what exactly am I supposed to do with it?? Thanks. ~Jeffo Hey, have you seen my tail lights? Yeah, well get used to looking at them.

When you turn on your car there are 12V leads that come on with your ignition. Commonly known as Accessory power or Switched power. If that's what it stands for then you want to hook it into one of those sources.