Is there a way to make the automatic headlight sensor on a
2005 Ford Expedition more sensitive ? In other words, I would
like it to turn on my headlights in low light situations.
I go in and and out of a parking garage several times per day.
The garage is somewhat dark during the day but my headlights
do not come on. I manually turn on my headlights because I have
had people back out in front of me. I have already left my
headlights on once and drained my battery, requiring a jump.
There is a photocell sensor located on top of the dash that monitors the
amount of incoming outside light. Locate that sender (usually covered by
a small grille), and tape a piece of (any) colored cellophane over it,
to reduce the amount of incoming light. A more permanent fix involves
prying the photocell cover off and adjusting the circuit sensitivity
with a small screwdriver, via the exposed rheostat.
BTW, automatic on headlamps based on outside lighting conditions make
WAY more sense than those DRLs you wanted before. :)
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