Thanks in advance,,I bought my yukon 3 years ago, and the drivers side low beam light would be on sometimes and off sometimes. Googled my light bulb and its not what i have so I assume someone put a hid conversion kit in it. Along with this i feel its connected to the reduced power and check engine light issue that go in effect when this low beam light acts up. (I cut off the yukon let it sit a minute crank it back up and headlight will still be out, check engine light still on but reduced power has gone away and can drive normal). Not sure how to upload a pic here yet but the ballast is in a silver casing and has ‘fusion hid’ along with voltage info on it.
Is this a factory from gmc or after market type?
If not factory can i go back to the original bulb and get rid of this kit?
How can i tell if the bulb is bad or ballast is ballad?