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    2017 Yukon - Blinking headlights, but alternator and 2 batteries working fine

    Do you have capacitors installed near the amps? They will stop the voltage surge at the battery. The recharge in micro seconds and are not like a battery. If not add a 5 to 10 Farad capacitor. You can go bigger, it won't hurt. When they added cables for the amps and battery did they take the...
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    2015 GMC Yukon Denali A/C Concern

    The dealer must have replaced the accumulator/dryer and orifice tubes. If there was any trash left in the system the accumulator should catch it before it returns to the compressor. I have done the same repair on many vehicles. None came back that I can remember and one ran cold for 9 years...
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    Dome lights have a mind of their own

    There was a tech bulletin on flashing dome lights when brakes were applied or sometimes turn signals. The repair was to replace both front dome light assemblies. The LED light, switch and control board come as one piece. It fixed mine. Building off of that the control boards were too sensitive...
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    Fender Height 2017 GMC Yukon XL

    How high is the rear if the compressor was off and the shocks at 0 psi? Can the rear sensors be adjusted lower to make the rear set lower? I've only done this on semi truck suspension, nothing that was computer controlled.
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    Factory class IV hitch?

    I have a 2017 Yukon XL Denali. My hitch has the same part number as yours has. My max tow for the truck is 7,900 because of the XL and 4x4. I would have thought that the longer wheelbase, larger engine and transmission would up the rating. Apparently the brakes and the suspension is the limiting...
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    Yukon seat temp controls Solved

    I took it to a dealer today. It got fixed for a 1 hour minimum. There is a module under the passenger seat. It was unplugged. It tripped some codes and they got reset. I have seat heat and cool.
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    Yukon seat temp controls Solved

    I have a 2017 Yukon XL Denali. The seat temp controls will light up as I push them but won't remain on to work. Even if I hold a button down the lights will flash on as the button sends a command but won't latch to remain on. Both sides are the same. The issue is the same driving or parked, same...

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