The right front low beam headlamp on my 2009 Lincoln MKZ doesn't work.
Check for a loose or bad ground, repair, clean as necessary, the bulb itself could be burnt out again, when replacing the headlight bulb use a rag or something as too not touch the glass of the bulb, as the oil from your hands heats up on the bulb causing it to burn out prematurely.
And check headlight relay should be one for each side and possibly high and low beam
HID headlight may have an HID ballast issue.
More info.....http://www.2carpros.com/questions/2009-lincoln-mkz- headlight
If the high beam work on your assembly what's wrong with the low beam is it the whole assembly just because the high beam work in the low beam don't?
And I have replace the low beam twice but it still don't come on but the high beam do on the passenger side
Mine is doing the same thing. I’ve replaced the entire headlight assembly and the low beam on the passenger side still won’t work
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