Well here is a link to the switch that i used. It is an exact fit for the cigarette lighter location. This switch has rather large connectors on the back and by that i mean it would be real easy to solder your wires to or you can also use the quick crimp female connectors like i did so that you dont have to solder and you can also disconnect them rather easy if you need to.
http://www.mouser.com/ProductD...m8%3d
As for other materials, i used exactly what the Ohmster hack describes other than the heat shrink wrap. I used about 10 feet of Cat 5 cable, 5 quick connectors, electrical tape, 1 spade connector which is the round crimp on connector that i used on the end of my ground wire so that i could get a good connection to my ground screw. You will also need a screw driver or drill and wire strippers. All the wires are very very thin so you might want to practice stripping them on some extra Cat 5 wire before you get to the wires on the nav harness or after you have run all your wires because they are so thin they are hard to strip and not cut completely through.
One thing i want to clarify that may help other doing the hack is that you dont have to use Cat 5 wire but its nice because it is all contained and is clean and easy to keep hidden. When you strip off the outer covering you will find 8 wires paired into 4 couples. You will actually only use 2 of these pairs (4 wires) and the others are not used so you can just cut them off flush so they dont get in your way. When it comes time to ground your switch i just cut about 2 feet of cat 5 wire and then took out 1 of the 8 wires within and used that to ground, one end will quick connect to your switch and the other will have a spade connector and attach to a grounded screw inside your middle console under the cup holder area.
You will notice that when you take out your cigarette lighter you will see holes inside at the bottom. I ran the Cat 5 wires up through those holes BEFORE you crimp on your quick connectors otherwise they will not fit through. I left the wires extra long so that i had room to work and after you solder or quick connect to your switch you can then feed the slack back through the holes as you put your switch in.
95% of the hack is exactly like the ohmster hack, the only thing i did diff was switch location and the way i connected to my switch. Feel free to ask questions and if it helps we can talk on the phone rather than over the computer.