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Low beams don't work!

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Old Jul 17, 2015 | 12:50 AM
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Low beams don't work!

I have searched this forum and found similar situations, but all a little different than mine.
2002 F-150 Supercab 5.4L auto 4x4 FX4. Low beams stopped working a few days ago. Unlike other posts, I have not touched anything on mine. High beams work fine. Flash to pass works fine. Park lights are fine. Fog lights work. I checked fuse 26 and 28 and they are good. When ever I have run into this on other vehicles, it seems like it is usually a relay. Is there a relay that could be causing this, and where is it? I do not have a meter available to help my for a few days, and need to drive at night tomorrow.
Thanks for any and all help.
 
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Old Jul 17, 2015 | 12:54 AM
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I should add that my Haynes manual shows a headlamp relay and a park lamp relay on page 12-23, but I don't see those relays in the Owners manual...
 
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Old Jul 17, 2015 | 07:51 AM
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Is the truck equipped with either DRL or Autolamps (or both)?

Have you considered that both headlight bulbs might be bad? If the fog lights work normally and fuses F26 & F28 are both good, there isn't much left except the bulbs.

You'd really need a meter or test lamp to diagnose for certain.
 
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