Fog lights: Headlights and tail lights. Their intensity is high so that their light can be seen through the fog.
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Headlights are used to illuminate the path. They are placed in the lower part of the bumper. In the rear part there is usually just one rear fog light that is used to make the car move visible for the other drivers.
Results for 2016 Chevy Colorado z71 4x4. Headlight (pass) went out. Changed bulb and won't work with new bulb neither. Then drivers side tail light, then fog lights, the washer fluid won't spray, passenger blinker is now going out. Also, the running light at the top of the back of the truck.
What could that be