GM

GM repair problems? Ask a GM repair expert now.

Connect one-on-one with {0} who will answer your question

This answer was rated:

2011 gmc: trailer..diagram for the 7 pin round plug..lights , brakes…

I need to wire a...
I need to wire a trailer plug for my 2011 gmc. do you have a diagram for the 7 pin round plug? lights , brakes,etc.
Show More
Show Less
Ask Your Own GM Question
Answered in 11 minutes by:
5/23/2012
GM Mechanic: Gary, GMC Technician replied 10 years ago
Gary
Gary, GMC Technician
Category: GM
Satisfied Customers: 18,052
Experience: 15 years gm master tech/15 years ASE master tech
Verified
here you go
graphic
Gary
Gary, GMC Technician
Category: GM
Satisfied Customers: 18,052
Experience: 15 years gm master tech/15 years ASE master tech
Verified
Gary and 87 other GM Specialists are ready to help you
Ask your own question now
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a gm mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Gary Your Own Question
Gary
Gary
Gary, GMC Technician
Category: GM
Satisfied Customers: 18,052
18,052 Satisfied Customers
Experience: 15 years gm master tech/15 years ASE master tech

Gary is online now

Related GM Questions
I am trying to figure out how to wire my gmc Suburban to tow
I am trying to figure out how to wire my gmc Suburban to tow a trailer. It has the quick connect right behind the Reese hitch. Will it still need the brake assist … read more
DarrenD41
DarrenD41
Service Manager, Service Technician
Associate Degree General Studies
732 satisfied customers
Taillights, and dash lights dont work after installing new
taillights, and dash lights dont work after installing new plug on trailer … read more
RiopH
RiopH
Diagnostic Technician and programmer
804 satisfied customers
My utility trailer lights were broken and otherwise not
thanks. My utility trailer lights were broken and otherwise not functioning properly. I carefully rewired it with a 4-wire plug, wiring and lights identical to the ones previously on the trailer and p… read more
Chris (aka- Moose)
Chris (aka- Moose)
GMC Technician
342 satisfied customers
Have an 07 Classic GMC Sierra 2500 HD 4wd. The factory installed
Have an 07 Classic GMC Sierra 2500 HD 4wd. The factory installed electrical/trailer plug will not charge the battery on the trailer brake backup battery. There is not power showing on the Accessory bl… read more
K. Wiggins
K. Wiggins
ASE Certified Technician
Associate Degree
4,290 satisfied customers
I have no power to my trailier harness plug on my 95 gmc suburban.
I have no power to my trailier harness plug on my 95 gmc suburban. i hooked up a 4 flat trailer light kit to my suburban with a 7 blade to 4 flat adapter and still no power to my trailer lights… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
14,873 satisfied customers
2012 gmc: fwd..my rv..aluminum trailer with trailer brakes
just bought a 2012 gmc terrain fwd - can flat tow behind my rv - but it appears i can not tow my 2700# XXXXX aluminum trailer with trailer brakes because i can not get a 7 pin plug installed on the ba… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,739 satisfied customers
2011 gmc: trailer plug..wire colors..harness near the back bumper
i have a 2011 gmc 3500hd. i want to wire another "parallel" 7-way trailer plug in my bed for my gooseneck. the info i am looking for is the correct wire colors inside the harness near the back bumper.… read more
Canadafix
Canadafix
Auto shop owner
Vocational, Technical or Trade Scho
1,507 satisfied customers
GMC: connector..this harness is for charging a trailer/RV battery
Hi, I am verifying the trailer accessory harness, (GMC Sierra Lt 2001 extended cab) there are 6 wires, I have identified the trailer harness. I do not have a trailer connector yet, just testing at the… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
14,873 satisfied customers
2004 GMC Envoy: trailer lights work..brakes..pin connector..every fuse
I have a 2004 GMC Envoy, all trailer lights work except the brakes. I am getting no power to the 7 pin connector and have checked every fuse in the vehicle. What other tests can I run?… read more
Dave Nova
Dave Nova
Auto Dealership Owner
Associate Degree
18,417 satisfied customers
GMC k 1500 suburban 1996 gmc suburban wiring diagram so i
1996 gmc suburban wiring diagram so i can hook up trailer lights and brakes. i have a blue and orange wire in the back that is not hooked up under the hood ?… read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
6,156 satisfied customers
GMC: 4x4 All lights on truck work 4 way signals..park..brake light
Background.. 04 GMC sierra 4 dr 4x4 All lights on truck work 4 way signals and park and brake.... Problem when I hook up to any trailer I cannot get a left brake light on the trailer. I have the 7pin … read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
2003 GMC Sierra 2500 HD: welding done to my rv (bumper tow..trailer
Hello, I have a 2003 GMC Sierra 2500 HD 6 ltr. gas. I was having some welding done to my RV (bumper tow) and I forgot to unplug from the trailer plug on the truck. The first trip out this season I fou… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 satisfied customers
2005 GMC: pin..trailer..the back of the connector, and I..splice
I have a 2005 GMC Seirra with a Delphi pa66 7 pin trailer connector. My dogs chewed the wiring out of the back of the connector, and I have been able to butt splice all of the wire back to the appropr… read more
Dan
Dan
High School or GED
2,257 satisfied customers
I have a 2009 2500 GMC with factory intergrated trailer brake
I have a 2009 2500 GMC with factory intergrated trailer brake system. I was getting "service trailer brake" message and found that the plug in the rear of the truck was full of water. I dried the plug… read more
mcgruder73
mcgruder73
Auto Technician
Associate Degree
2005 GMC Sierra 3500: tail lights..turn signals and brake lights.
I have a 2005 GMC Sierra 3500 and my trailer plug does not have power to the tail lights. I have turn signals and brake lights. Is there a fuse that I can't find? I got stopped by a sheriff the other … read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,997 satisfied customers
2004 gmc: hd 4x4 crew cab..dim..no signal operation or brake lights
2004 gmc 2500 hd 4x4 crew cab, when I plug my travel trailer in the running lights on the trailer are dim, when I step on the brake the running lights go out. with the running lights off I have no sig… read more
Greg A.
Greg A.
Bachelor's Degree
15,602 satisfied customers
+12 V to center pin/post in trailer wiring connector..bypass solenoid
Lost +12 V to center pin/post in trailer wiring connector at hitch when in reverse to activate trailer brake bypass solenoid. Can't back trailer. HELP. Can't find a fuse!… read more
Carhelp4u
Carhelp4u
GM Service Training
2,560 satisfied customers
2009 GMC sierra 3500: The trailer brake system warning..pig tail
We have a 2009 GMC Serria 3500 Duramac.The trailer brake system warning comes on most of the time,since we have changed the pig tail on the truck.The warning will come on with a trailer on and with th… read more
GMTechBernard
GMTechBernard
Owner / Technician
High School or GED
2,157 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:

I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.

Todd LRochester NY

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

< Previous | Next >

Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

GMC Mechanic

5,997 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

GMC Technician

18,052 satisfied customers

15 years gm master tech/15 years ASE master tech

car tech

car tech

ASE Certified Technician

449 satisfied customers

25 year master tech and shop owner

Chris (aka- Moose)

Chris (aka- Moose)

GMC Technician

342 satisfied customers

24 years of experience diagnosing & repairing

Paul M ASE Master

Paul M ASE Master

ASE Master Tech

225 satisfied customers

ASE Master Tech 20+ Years

Amedee

Amedee

GMC Technician

586 satisfied customers

ASE certified tech with advanced level specialist. Wisconsin certified emissions state inspector

Anthony

Anthony

GMC Technician

489 satisfied customers

GM Certified

< 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