Question about 1996 GMC Sonoma

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Headlights keep switching from drive lights to headlights

On my 1996 sonoma i turn headlights on, all signals work, brakes lights are good, after driving a bit the drive lights and headlights start switching back and forth. Is there a relay or sensor to control this?

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  • merlin_df2 May 14, 2009

    yes they are running lights

  • yadayada
    yadayada May 11, 2010

    When u say drive lights do u mean daytime running lights??

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Check the headlight switch for burned contacts or a heat dis-colored connector to it. If u find either replace the headlight switch and the connector as a pair.

Posted on May 14, 2009

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Hi, diagrams are pasted below. I recommend you pull the signal switch out and troubleshoot the connector there. Please let me know if you have questions, and thanks for using FixYa.

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please check your brake light switch located near the brake pedal. it could be faulty.

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