Switches are easy once you do one, then you can add them to anything. Buy a 3-prong switch from walmart, pepboys, etc. You need to find a power source for them, I guess you could just go directly to the battery to make things easy, but really you don't need to run a power wire under the hood where the lights are, but rather find a source close to the switch inside the car. Anyway, to install any switch, here is what you do.
The lights, neons, whatever you're putting the switch inline with will have two connections, a power and a ground. Find a piece of metal and ground the negative from the light (use a piece of black wire, makes it easy). Then run a piece of red wire from the power connection on the light to the accessory power prong on the switch (usually the prong in the middle of the switch). Find a place to mount the switch on your dash, and run a ground from the negative prong on the switch to a piece of metal near where the switch is mounted to. Lastly the 12V power prong needs to be run to a power source. This is why I said you don't need a power source under the hood, the lights themselves aren't getting power directly, but rather the switch. You can tap into any power wire or any fuse in the fuse box under the steering column (the cigarette lighter is good).
The only other detail is that since you'll have two lights on one switch, coil the two grounds and the two powers from the lights together. That's pretty much it.
old story
