Headlights not working properly

2004 CHEVROLET IMPALA
110,000 MILES • 6 CYL • AUTOMATIC
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DZEN
  • MEMBER
  • 1 POST
Hi, when I pull headlight switch, low beams does not turn on. Sometimes they just flicker. I have connected fog light as low beam and now when I press fog button lights working as low beam. Interior brightness is working. Multi-function lever I can flash high beams, turn signals working etc.
Could it be headlight switch? But it seemed working at lest when I pull it with fog lights connected as low beams, it is working.
Jul 8, 2018 at 8:30 AM
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AL514
  • ✓Experienced Mechanic
  • 5,687 POSTS
Hi there, so everything with the switch works fine with a different set of lights hooked up? Then you probably have a wiring issue somewhere around the plugs for the headlight, you may have temporarily fixed the issue when installing new lights, try moving the wires around abit to see if the new lights flicker or go off.

https://www.2carpros.com/articles/how-to-check-wiring
https://www.2carpros.com/articles/how-a-headlight-switch-works
Jul 8, 2018 at 10:19 AM
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