The low beam portion has likely burned out
Not sure if you are asking about the headlight bulbs or the headlight housing/lens. Both years take 9006/9005 bulbs for low beam and high beam respectively. See sources and related links below for more information.
In the headlight assembly...
High beam-9005 Low beam-9006
Yes , the ( 3 ) circles above the headlight switch light up ( OFF / park light symbol / low beam headlight symbol ) at least it does on my 1995 Ford Explorer XLT
If you found the answer can you let me know. I have 1990 525 passager side low beam needs replaceing.
On a 2002 Mercury Mountaineer : Put your low beam head lights on and pull the headlight selector switch towards you
Bulbs burned out? Bad switch in multifunction lever? Bad Hi-Beam relay?
On a 2001 Mercury Cougar : Turn your low beam headlights on and then pull the headlight control towards you ( push in to turn foglights off )
adjust headlight beam on 2010 xtrail
According to the OWNERS MANUALS,1995-1998:LH headlight - low beam - #4RH headlight - low beam - #10Both headlights - high beam - #38Engine compartment fuse panel - "K"1999-2003Note: these fuses are in the fusebox in the ENGINE COMPARTMENT.RH headlight - high & low - #9LH headlight - high & low - #12See "Related Questions" below for more
9006 for the low beam 9005 for the high beam
There are three headlight settings on your headlight switch. You can turn the low beam headlights on by turning the headlight switch.