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Jan 23, 2019
Works...if you swap 12v and ground around.
9 of 9 found this helpful All four of my 9005 and 9006. Ulbs were inop when plugged in correctly. I finally figured out if their plugged in backwards (where the lock of the harness and tab of the bulb side connector are opposite one another) they would light. It seems as though the bulb and harnesses are generic, and the manufacturer just makes cheap plastic socket adapters to fit whatever type bulb, and they are then glued or bonded in. I could either plug them in 180 degrees around and have them not lock, or de-pin the vehicles harness side connector, and swap the 12v and ground wires positions so it would then lock. Be aware if you do this and go back to a regular halogen bulb, it may not work depending on vehicle if there is a diode in the line. Other than that, they installed good and tight in the light socket, and are as bright or brighter than HIDs at a third the cost and a quarter of the install time since they have no needed ballast and are plug and play...after you figure out the polarity is wired incorrectly.