2007 Hyundai Azera headlight problems electrical

Tiny
PHILCAT39
  • MEMBER
  • 2007 HYUNDAI AZERA
  • 3.8L
  • V6
  • FWD
  • AUTOMATIC
  • 73,000 MILES
Sometimes when u turn on light switch headlights dont come on or turn lights, but most times they do come on, like the is a short somewhere, any ideas, thanks phil
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Monday, February 10th, 2014 AT 11:24 AM

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Tiny
JDL
  • EXPERT
To start, You have to test when problem is ongoing. Check the fuses in the diagram for voltage, has a line pointing at them. The upper fuse goes hot with the key on. The lower two are hot all the time.

The headlamp switch and dimmer should be on the headlamp ground circuit. The ground for the headlamp should be primarily black.
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Monday, February 10th, 2014 AT 1:48 PM
Tiny
JDL
  • EXPERT
In the diagram for headlamps, the top wires are voltage for high beam and low beam. The bottom wire coming off the headlamps is ground, a constant ground. The headlamp switch appears to ground the low beam relay. Our database doesn't give good info for your headlamp operation, at least I couldn't find it.

If the turn and headlamps both work off the same multifunction switch, I'd have to check that when the problem is ongoing.
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Monday, February 10th, 2014 AT 2:34 PM

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