Hid bulb , hid conversion kit ITTING GUIDE.These instructions work for 99% of the cars these fit. Step 1, Remove the light covers (back) that covers the bulb and cable (both sides) on the car Step 2, Remove Existing Halogen bulbs, and disconnect the connector Step 3, Drill a 22mm Hole in both covers Step 4, take each HID bulb & Wiring and remove the plastic Bulb cover (the ring pulls over the rubber grommett Step 4, From the inside out on the rear light covers you drilled - Push the Multi plug connectors on the bulb through the hold then squeese the Grommet into the hole to seal Step 5, Fit the bulb in to the holder (it may be neccessary to remove the metal bulb holding clip then put back on after the bulb is in) then secure in place Step 6, Locate a place for the ballast units (some people just tuck it out the way, others secure them with the bracket supplied) Step 7, connect the big plug from the bulb side into the ballast unit, then the two small plugs from the ballast into the bulb side plugs. Step 8, Now connect the Red/Black spade connectors into the connector you removed from the bulb in step 2 (Black to black) (Red to Red - Some may be white/yellow) it has in circuit protection so if its the wrong way around and does not go on then you can just swap them over. Step 9, Turn on lights and make sure the HID's come on Step 10, once tested replace the rear light covers and tidy up the cables Step 11, Happy Night DrivingHope these instructions make it easier for you guys to fit them