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The engine starts and stops running after 10 to 20 seconds.
The engine starts and stops running after 10 to 20 seconds. A voltage meter shows 14 volts and increases up to over 18 volts when the engine quits. … read more
Roy
Roy
shop foreman
Associate Degree
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My 2004 Denali XL with one year old 925 cranking amp gel
My 2004 Denali XL with one year old 925 cranking amp gel cell top of the line battery would not start after 150 mile trip. After I jump, I drove straight to parts store, where the scanner read voltage… read more
Dan
Dan
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Battery will not charge. new battery and new alternator. The
battery will not charge. new battery and new alternator … read more
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Cesar Jimenez
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Vocational, Technical or Trade School
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I have a 2012 GMC Yukon Denali. 4 days ago in the morning I
I have a 2012 GMC Yukon Denali. 4 days ago in the morning I tried to start the car and the battery was dead. I jump started it very easily with a handheld/portable jump start device. I drove it for ab… read more
Ron Z.
Ron Z.
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I have a 2003 GMC Yukon Denali XL and the "Service Ride
I have a 2003 GMC Yukon Denali XL and the "Service Ride Control" comes on the display. Any ideas as to the problem? … read more
david craig
david craig
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My Denali will not start due to the alarm. Battery amps are
My Denali will not start due to the alarm. Battery amps are good. I have tried diconnectin and reconnecting the battery. Still wont start .Its an Xl … read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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2009 gmc yukon xl denal with a service suspension system
Customer: 2009 gmc yukon xl denal with a service suspension system message and service charging system message that comes off and on. … read more
Randall C
Randall C
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I have a 2003 GMC Yukon Denali - and it won't start - no
I have a 2003 GMC Yukon Denali - and it won't start - no lights on the dask nothing happens when i put the key in the ignition. I charged the battery and checked the cables - the battery shows fully c… read more
Chris (aka-Moose)
Chris (aka-Moose)
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GMC Yukon XL 1500: I was recently driving my 2003 Yukon XL
I was recently driving my 2003 Yukon XL Suburban and I lost all charging to the battery from the alternator. Engine died etc. We ordered a upgrade kit to take the amperage up on the alternator due to … read more
Roy
Roy
shop foreman
Associate Degree
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GM Yukon XL Denali: My 2008 Yukon XL Denali drops voltage from
My 2008 Yukon XL Denali drops voltage from just over 14 to about 12.5 when the cooling fans come on. I have replaced the alternator and battery and it continues to behave in this manner. I did not not… read more
Mike S.
Mike S.
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GM 2004: i have a 2004 GMC yukon Denali XL with P codes of
i have a 2004 GMC yukon Denali XL with P codes of P0622, and p1637, the dashboard lights up and and goes off and now it doesn't light up at all, the car starts up it eventually dies after a while beca… read more
Tim Mohr
Tim Mohr
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Master's Degree
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GMC Yukon XL 1500 Denali: 2007 GMC Yukon Denali, 65,000 Miles,
2007 GMC Yukon Denali, 65,000 Miles, excellent condition. Vehicle suddenly slowed down, alternator smoking badly. After stopping, raising the hood, turning ignition off, the alternator continued smoki… read more
Randall C
Randall C
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GM Yukon Denali: I have a 2003 Yukon Denali that I had to charge
I have a 2003 Yukon Denali that I had to charge the battery to start the vehicle. Once the Battery was charged I was able to start the Denali but the Display says Battery not charging. The battery was… read more
Amedee
Amedee
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GM Yukon XL: I have a 2003 Yukon XL and the Service Brake Booster
I have a 2003 Yukon XL and the Service Brake Booster message warning just started flashing after start up. Oddly enough, the Battery not Charging warning started coming up (with the battery light) abo… read more
Dave Nova
Dave Nova
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Associate Degree
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GMC Yukon XL 1500: have a 2003 GMC yukon XL 5.7 L with the
have a 2003 GMC yukon XL 5.7 L with the driver information display saying... batt not charging how do you check the alt. to be sure it is bad or could it be a fuse ??… read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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I have a 2007 yukon denali xl. I have been experienceing electrical
I have a 2007 yukon denali xl. I have been experienceing electrical problems for a while now. If i do not start my truck within a week i have to jump start it and some time the battery is so low it wo… read more
Dave Nova
Dave Nova
GMC Technician
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GM Yukon: my Yukon hybird makes a noise that sounds like a
my Yukon hybird makes a noise that sounds like a motor running the window up and down what could this be?… read more
Jerry
Jerry
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Vocational, Technical or Trade Scho
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GMC Geo Tracker: I have a 1994 Geo Tracker. I just replaced
I have a 1994 Geo Tracker. I just replaced the alternator and am only getting a little over 12 volts across the battery terminals (using a Fluke multimeter). The battery is fully charged. Can you tell… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
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Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,823 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

675 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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