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2005 GMC Yukon XL 1500 Question: Headlights, Dash lights, and Tailights turn off in auto mode AT NIGHT when idling

 

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fcmpilot, New Bern, NC, March 16, 2011, 18:42
 Rookie

The dash lights, headlights, and tailights turn off after approximately 10-15 seconds when at a full stop idling AT NIGHT. Lights work normal in manual mode, and at driving speeds. The sensor has already been replaced, and it is still failing.

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  • Answer #1

    overbys from Overbys Inc, March 17, 2011, 06:13
     Master

    you will need a good shop with GM software to diagnose this problem for you. you may have a faulty "convenience"
    module, but that's only a guess.

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