Head Lights wont turn off

BUSTERKJP

MEMBER
2006 HYUNDAI SONATA
6 CYL
FWD
AUTOMATIC
75,000 MILES

My 2006 sonata's lights wont automatically turn off anymore. Sometimes we have to flip them to off then auto then back again and it still doesnt work. Sometimes if u wait a few min they will go off if u flip them to off or auto. Very frustrating.

3 Replies

LEGITIMATE007

MECHANIC
5,121 POSTS

Check/change the daylight running lamps relay switch(drl)

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Friday, October 15th, 2010 AT 12:17 PM

VINCE59

MEMBER
2 POSTS

Where can I locate the running lamps relay switch?

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Sunday, January 14th, 2018 AT 12:16 PM

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

It does sounds like the low headlight relay is sticking on. Here is a guide to help test it.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Here are the headlight wiring and fuse and relay diagrams so you can see how the system works and where to find the fuses and relays. I would try to swap the high and low relays to see if that fixes the problem if it does replace the low headlight relay.

Check out the diagrams (Below)

Please let us know what you find. We are interested to see what it is.

Cheers, Ken

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