4. On mine the Xenon HID bulbs have a notch at the top and the wiring needs to be at the bottom for it to go into the headlight housing. I attached the wiring before inserting the bulb. 5. The bulb retention locking mechanisms on both sides somehow got closed after the old bulb was removed so be sure to reopen them as you start to insert the
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Step 5. Screw in the HID bulb back into the headlight housing. Connect the wires of the HID bulb to the ballast and then connect the HID ballast back to the stock harness. Add a comment.
9) Remove the xenon ballast in the bi-xenon headlights (6 bolts) then disconect the harness, now remove the 5 pins (thin black, thin brown, red, yellow and uncovered ground wire) you only need two wires to turn on the xenon (Strong black and Strong brown)
Xenon headlights have a ballast to ignite the high voltage xenon lights when they turn on that can remain energized even if the lights are turned off. Be sure to disconnect the headlight assembly or battery before attempting to replace it. If your CX-5 has a HID headlight burnt out, it could be a burnt out bulb or failed headlight ballast. . 208 255 32 293 256 269 189 435

how to install xenon headlights