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Cranking but won't start, lost power while driving and
cranking but won't start, lost power while driving and through out a huge cloud of black smoke before losing all power … read more
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Chris Hermosillo
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The engine starts and stops running after 10 to 20 seconds.
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Roy
Roy
shop foreman
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This is strange. My battery light came on in my 02 Sierra
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Chad Farhat
Chad Farhat
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I have an 02 GMC Sierra 1500 with a 4.8 engine (230K miles).
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I have a 2008 sierra I've had electrical issues for the last
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K. Wiggins
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It will crank up and run for like 2 minutes then it starts
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Gary
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I have a 2000 GMC Sierra 1500 5.3l. It does not charge. I
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Jared D
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I have a 2004 Hummer H2 and having some electrical issues.
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Randall C
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Vocational, Technical or Trade Scho
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Yesterday I installed a new alternator on my 1999 GMC K1500
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Virtual Wrench
Virtual Wrench
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GM Denali: 2003 gmc denali will not start. I took the 2 ign
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Gary
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GM GMC Envoy: 2008 . . Driving Voltage Slowly Drops
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GMC Yukon: Hello...I have a 2002 GMC Yukon. A few days ago
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GMC Sierra 2500 HD Classic SLE: I have a 2007 GMC 2500HD Extended
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gmc Sierra 2500 HD SLE: I have a 2002 gmc sierra 2500 HD diesel.
I have a 2002 gmc sierra 2500 HD diesel. Recently the battery died. I jumped it, and it ran fine for about 45 miles. Sat overnight, battery was dead again. So I put a new battery in it. Drove it about… read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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GM Sierra Denali: 2008 Gmc sierra denali. intermittent cruise
2008 Gmc sierra denali. intermittent cruise control, traction control service warning and intermittent battery discharge indication at all speeds. i stop vehicle and restart the truck and everything r… read more
Randall C
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Question for a GM mechanic re 21-year-old pickup truck, only
Question for a GM mechanic re 21-year-old pickup truck, only 80,000 kn. 6 cylinder. Sierra model. No rust. Passed recent safety and emissions test. Broke down next day. Changed alternator. If it passe… read more
Pete
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Meet the Experts:

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

5,694 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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