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Dim headlights

Tiny
DRUMMERGUY
  • MEMBER
  • 2006 KIA OPTIMA
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 192,000 MILES
I had replaced lens on my car and bulbs. But my headlights are so dim you cannot see at night. What are my options to get them bright again?


Thanks,
Jon
Saturday, January 12th, 2019 AT 9:00 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

It sounds like you have a bad ground or a relay is getting weak. to be sure lets test the voltage at the headlight connector (yellow wire) with the lights on, it should be a little over twelve volts. here is a guide to help us get started and the headlight wiring diagrams below so you can see how the system works:

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please run down this guide and report back.
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Monday, January 14th, 2019 AT 10:46 AM

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