Originally Posted by Jayhovah

So far I've added a homelink mirror, radar detector, laser jammers, backup cam, and a boost gauge... I figured I would end up installing a bunch of stuff at some point so I used a couple of those add-a-circuits in the driver's side fuse box and wired them to terminal blocks.. I have three, one constant 12V, one switched 12V, and one ground... now whenever I add an accessory I just wire up to the terminal blocks... depending on where I need to run wires in some cases I can add something new in a matter of minutes.