My lowbeam headlights don't turn on. Even after I replaced a new bulb. My car is a 1990 honda civic. My headlights, on my 2005 Honda Odyssey, will not work on "Low Beam" but will work on "High Beam". All of my fuses are good and the bulbs are good. All of the other lights work just fine. Why won't my headlights work on "Low Beam"?

If the bulbs have been replaced with new ones and they still don't work then check the harness that connects to the bulbs.

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Check the wiring with a test light. If you are getting voltage at the headlight then your low beams are burned out.

If you have no voltage, check the fuses under the dash, there is a pair for high beams and for low beams.

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the high and low beams are 2 different lights. usually the high beam still works when the low beam goes out, you just have to replace the whole bulb/lense. its only like 8 bucks.

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or it could be bad switch
If the bulbs have been replaced with new ones and they still don't work then check the harness that connects to the bulbs.
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Check the wiring with a test light. If you are getting voltage at the headlight then your low beams are burned out.
If you have no voltage, check the fuses under the dash, there is a pair for high beams and for low beams.
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the high and low beams are 2 different lights. usually the high beam still works when the low beam goes out, you just have to replace the whole bulb/lense. its only like 8 bucks.
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or it could be bad switch