GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
Vehicle is a 2012 Yukon Denali, but the question is
Vehicle is a 2012 Yukon Denali, but the question is generic.....Left Hi beam works..... Right Hi Beam works sometimes.... LO Beams usually not. Driving a few miles flipping back and forth brights/low … read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
626 satisfied customers
Low beam not working. fog lights work as well as high beam.
low beam not working. fog lights work as well as high beam. replaced pigtail and bulb. … read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
Both low beam headlights not working; high beams fine,
Both low beam headlights not working; high beams fine, running lights fine … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
GMC 2007 Canyon. Passenger side head light low beam will not
GMC 2007 Canyon. Passenger side head light low beam will not come on. High beam comes on fine. Same both auto and on position. I have changed the bulb twice and have switched the HDLP fuses. No change… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
270 satisfied customers
Low beam headlights wont work. Both lights arent working
both lights arent working checked fuses relay etc removed bulb it does not look blown … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
I have an 02 gmc. All lights are working except my low
Hi. I have an 02 gmc. All lights are working except my low beans. It switches the daytime running lights off in the dark but the lows don't come on. Swapped bulb on both sides with a new one I had. Ch… read more
Todd Audette
Todd Audette
Automotive Technician
Vocational, Technical or Trade School
363 satisfied customers
The driver side headlight is stuck on high beam, how do I
the driver side headlight is stuck on high beam, how do I fix it? … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Sierra 2010. Lost low beam. Purchased new module and it
GMC Sierra 2010. Lost low beam. Purchased new module and it did ot fit. Gym garage sold me another one, but I believe it is the wrong one. Part numbers don't age … read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,077 satisfied customers
2002 GMC Yukon gh beam lights work but the low being lights
2002 GMC Yukon high beam lights work but the low being lights do not work check the bubble and is not the book what could the problem be… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
2009 gmc sierra Duramax 2500hd 4x4low beams stopped working,
2009 gmc sierra Duramax 2500hd 4x4 low beams stopped working, High beams work ok. swapped relay no difference. fuse ok, both low beams stopped at same time right after remote start so dont think that … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,588 satisfied customers
GMC Yukon SLT: I have a 1999 4WD Yukon that I just bought used.
I have a 1999 4WD Yukon that I just bought used. When I bought it, the DRLs and low beams were both not working. The fuses checked out okay, and I replaced the bulbs, but still nothing. The high beams… read more
Vladgmru
Vladgmru
Automotive Electrician
Vocational, Technical or Trade Scho
1,586 satisfied customers
GMC Envoy SUV: My headlights of my 2003 GMC Envoy (SUV) have
My headlights of my 2003 GMC Envoy (SUV) have been shorting out lately, most recently 3 days ago in the morning. It seems to be some sort of electrical problem, not bad bulbs... Anyway, 3 days ago in … read more
Michael Moore
Michael Moore
Team leader, bumper to bumper tech.
Associate Degree
1,323 satisfied customers
I have a 2003 GMC yukon xl Denali the left lo beam is out I
I have a 2003 GMC yukon xl Denali the left lo beam is out I have changed the bulb,check the left low beam fuse is good when i check the plug with an multimeter I get no Voltage at the plug when I turn… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
GMC Yukon XL 1500 SLT: 2007 Yukon XL – Issue: Low beams stopped
2007 Yukon XL – Issue: Low beams stopped working. One about a week before the other. High beams work when pulling back the stick on the steering column. I tried looking at fuses under the hood, but th… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
GMC Sierra 1500 SLE: 2002 gmc seirra high beam lights does
2002 gmc seirra high beam lights does not come. I have changed both bulbs and when I flip switch to high, nothings happen. Low beam is the only things that work. what could be the problem… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Sierra Denali: Passenger headlight on 2006 Sierra Denali
Passenger headlight on 2006 Sierra Denali dosent work. I have check the bulb and it is fine. Any ideas?… read more
Randall
Randall
Auto Technician / Consultant
Vocational, Technical or Trade Scho
69 satisfied customers
GM Yukon XL: We have a 2002 GMC Yukon XL and for about the
We have a 2002 GMC Yukon XL and for about the last year we have been having trouble with our headlights working. It has gotten more persistent over time. When we start the Yukon the lights don't come … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
gmc Sierra 2500 HD Classic SLT: 2006 GMC Sierra 2500HD 6.6
2006 GMC Sierra 2500HD 6.6 duramax. Both low beam headlights stopped working at same time. All other lights seem to be functional including high beams. Replaced bulbs and checked fuses by switching ou… read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

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

1,588 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

626 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

279 satisfied customers

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

JFN1

JFN1

ASE Certified Technician

270 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

228 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x