Order the switch and wiring harness and you'll be good to go. The wiring harness will come with the relay box that mounts above the glove box on the passenger side. You'll have to fish the other end through the dash to the fuse box on the drivers side. I added the switches to mine and it wasn't difficult at all. Just takes some time.
I don't have the part numbers handy but there is a write up here somewhere that has alot of good info. Thats what I used to do mine.
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