go to Systems Integration Plus, Inc. - Main Page and order them, theyre like 62.00 to yer door.. You either need 9007 size bulb if you have a 97-03 or a 9006 size bulb if you have 04+. Get the 8000k bulbs. they ship fast and they have had nothing but positive remarks about them. you dont need the wiring harness, just make sure you have a really good ground and you wont get any flicker.