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    Everyone likes a mystery, Right? Jumper cables acted like the wires were crossed

    thanks all. SOLVED. Maybe. I took the starter out and noticed the electrical lead’s screw was loose. See my video - Black around nut indicating arcing. Why did I say mabe? I will install a new starter soon. I am having issues with my 2015 Yukon Denali Not cranking - battery acting dead, no...
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    Lots of things don’t work on my 2006 Yukon Denali

    My 2006 Yukon Denali sat for 3 years. Everything worked back then except for an intermittent gas guage. The Car runs. The Code scanner will not connect to the computer (I had a earlier post on just the scanner, but now realize there’s a larger problem than just not being able to read the code...
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    Cooling Fans Running - Temperature Gauge not working - Yukon (and other models), my data, experience and rigged fix.

    I am starting this thread because you have to go through a lot of posts to get where I am. The problems (many models have it): 1) My 2015 Yukon Denali’s engine temperature gauge intermittently reads zero and the cooling fans come on where the computer assumes the sensor has failed so the car...
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    Display goes black when start button is pushed - no sign of a start

    My 2015 Yukon Denali won't start. All accessories are strong, battery is fully charged. When I press the start button the dash goes silently dark. No clicks, nothing. It is as if I shut it off instead of starting it. One day ago (coincidently?) I had the temperature sensor replaced for that...

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