I bought this one at a Home Depot :
Next, you'll do a lot of wiring / soldering...
To cut the wires, a basic pliers/cutter combo :
To strip the wires, a simple cutter for the very small ones and a normal wire stripper for the big ones :
A small soldering iron, if you can set its temperature it is even better. Try to buy a full kit with a stand and some soldering wire. It will look like this :
To troubleshoot your wiring, you'll need a multimeter :
Now let's order the parts.