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Expert Answers about GMC Yukon XL


  • Is Plug-In Adapter Available For Brake Controller Installation On 2013 GMC Yukon XL
  • At this time there is no plug under the dash of your Yukon. This means installing the Prodigy P3, part 90195 will need to be hardwired to the wiring under your dash. I have attached a link to an installation video for a brake controller on a 2013 Yukon you can check out. If you have no factory trailer connector you will need part # 30955 to finish the wiring.
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  • Activating 12 Volt Circuit on 7-Way Trailer Connector on a 2006 GMC Yukon XL Denali
  • It sounds like the tow package is not fully functional on your 2006 GMC Yukon XL Denali which is not uncommon on GM trucks and SUVs. The situation is likely similar to that of a GMC Sierra. I have included a link to the right that explains the connections that you will need to make to make it fully functional. It is possible you just need a fuse in the proper location. But it is also possible that you will need to manually run a wire from the back of the 7-Way to the vehicle battery via...
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  • Stoplight Circuit Location on a 2003 Monaco Windsor Motorhome
  • All you need to do to run the stoplight switch wire for your brake controller on your 2003 Monaco Windsor is run the wire to the circuit that is number 102 at the fuse control center. The universal relay is only needed if you are installing a Unified Tow Brake, which you are not so disregard that aspect of the installation.
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  • Mounting and Installation of an Electric Trailer Brake Controller in a 2000 GMC Yukon XL
  • You have stumbled upon one of the great brake controller conundrums that is often overlooked; and that is where to mount the brake controller. There is no definitive answer but there are some criteria that you should follow that will help you choose the best location. You will want the controller within easy reach of the driver and in a place where it will not obscure the drivers view of the road. It will also need to be mounted within the ranges specified in the instructions (linked...
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  • How To Install A Tekonsha Brake Controller On 2002 GMC Yukon XL With Tow Package
  • Since you already have the tow package on your 2002 GMC Yukon XL, you should only need the brake controller and controller harness adapter. If you have the Tekonsha Voyager controller already, then you just need to make sure you have the Tekonsha Plug-In Wiring Adapter # 3025-P. One end of this harness/adapter will connect to your brake controller, and the other end will simply plug into your electric junction box underneath the dash. If your vehicle for some reason does not have the...
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  • Custom Fit Replacement Towing Mirrors for a 2014 GMC Yukon XL Denali
  • The K Source Custom Towing Mirrors, # KSVS55010, for your 2014 GMC Yukon Denali XL have a black finish that is ready to be painted to match the vehicle. A chrome set is not available. They do not power fold in but they do have power electric mirror face operation, heat, and turn signal functions as well as the Lane Change Alert-Cam. Please note that you cannot upgrade to power remote operation, heated mirror face, and turn signal or Lane Change Alert if your factory mirror is not already...
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  • How to Activate Trailer 12V Circuit on 7-Way on 2014 GMC Yukon XL
  • On your 2014 GMC Yukon XL there are two wires under the hood that have to be connected to make the tow package functional, one is the power wire to the brake control and the other is the battery charge line to the 7 way connector. This is the wire that feeds the 7-way circuit on the pin at the 1-o-clock position as you view the socket. These wires are both Red/Black with eyelets on them. They are coiled up under the hood and will need to be connected to the under hood fuse box. One of...
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  • Trailer Brake Controller Wiring Harness Location on a 2011 GMC Yukon XL
  • I have included a link to a video that might help you. The wires are usually located under the dash, left of the steering column. They are held together with a white tag. But like our installer says in the video, the wire bundle can be tucked up way inside and you will need to fish around and possibly use a flash light to locate them. For a brake controller, I recommend the Tekonsha P2, # 90885. It is one of our best selling brake controllers because it is easy to set up and easy to use....
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  • Installing A Brake Controller in a 2008 GMC Yukon XL Without Plug and Play Adapter Harness
  • On your 2008 GMC Yukon XL, there is not a direct plug and play harness for a brake controller. This is because no plug is present under the dash, however the needed wires are already run so it is a simple install. You will connect the brake controller wiring with the vehicle wiring already present under the dash with butt connectors like # 05731-5. The Curt Discovery Timed Delay Brake Controller # C84VV gives you the option to either cut the connector off the brake controller or use...
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  • How Does the Putco Grille Insert Install on a 2013 GMC Yukon XL
  • The main grille insert, # P84159, does not require removing the bumper but you will need to remove the factory plastic hood that covers the area between the grille and radiator so you can get your hands behind the grille to complete the installation. This is the normal installation procedure and should be much easier than removing the front end of the vehicle. The lower grille, # P84160, uses self-tapping screws to install so you should not have to get behind it at all.
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  • How Does the Dutton-Lainson Electrical Quick Connect # DL24086 Wire Up
  • I attached a picture of the installation instruction page from the Dutton-Lainson Electrical Quick Connect # DL24086 that you referenced. It looks like you will need to cut the wires and strip the wires back 1/2 of an inch. Next you will need to put the wires into the contacts and then solder the wires into the contacts. Do not crimp the wires, these connectors are for soldering. Once the solder joints have cooled push the wire and contact assemblies into the housings with the lips of...
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  • Can the Curt Weight Distribution System with Sway Control be Set Up to Allow Backing Up
  • To be able to backup your trailer while the Curt Weight Distribution System with Sway Control, Trunnion Bar # C17422 is installed on the Yukon XL and the trailer, you will want to disengage the friction sway control bar. The sway control bar is the aspect of the system that requires the warning to not back up while the system in installed because it could be damaged in the process of backing up if the trailer were to turn too sharply. If you will need to execute a sharp turn while backing...
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  • Can Derale Tornado Electric Fan be Used in Front of Transmission Cooler
  • Yes, you can technically install the Derale 9" Tornado Electric Fan # D16509 in front of the transmission cooler of your 2011 GMC Yukon XL but it may be that you are getting diminishing returns. This fan is unique in that it can be used as a pusher or puller application so I recommend instead that you install this fan behind the radiator which is going to maximize your cooling efficiency.
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  • Can a Proportional Brake Controller Be Mounted Sideways
  • Unfortunately in order for the accelerometer to work correctly, proportional controllers like the # 39510 Voyager need to be installed on a level plane on a side to side axis pointing in the direction of travel. The Voyager isn't the controller I'd recommend anyway, it isn't very user-friendly and therefore pretty difficult for the novice to use effectively. It sounds like the idea of having a brake controller hanging from the underside of the dash doesn't thrill you to pieces, but I do...
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  • Installing a Brake Controller on a 2008 GMC Yukon Denali XL AWD with Factory Tow Package
  • To install the Tekonsha P2, # 90885, in your 2008 GMC Denali, there are only a few simple steps to follow. With a factory tow package, all you will need is the brake controller itself. The unit comes with blunt cut wires that will need to be installed to the factory tow package wiring harness on your vehicle. This harness is located under the dash, to the left of the brake pedal, and usually held together with white tape. Pull the harness down and you can begin to connect the brake controller...
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  • Installing the E-Track Wood Beam Socket For Standard Lumber
  • Once the E-Track Wood Beam Socket for Standard 2" Lumber - Qty 1 # 59149 has a beam screwed in at both ends, it cannot be removed without unscrewing the wood beam. The beam would need to be lifted straight up and out of the hanger to allow movement and then be screwed back in place in its new location. You will be able to use the same piece of lumber cut to width over and over again, but it will need to be removed to change location of the hangers in the track.
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  • How to Connect Brake Controller Wires to 2007 GMC Yukon XL
  • To install a brake controller, like the Tekonsha Primus IQ # TK90160, on your 2007 GMC Yukon XL you will need to locate the bundle of wires under your driver's side dash. So the wiring is already ran but there are just bare wires you splice to as opposed to a plug - this is somewhat common even on vehicles that come with a tow package. I looked up the online version of the owner's manual for your Yukon XL and it looks like there is a section about this that mentions connecting a rad/black...
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  • How Does WeatherTech 3rd Row Rear Auto Floor Mat WT440665 Install in 2016 GMC Yukon
  • You are going to have to pull out the third row seats in your 2016 GMC Yukon XL and then place the mat # WT440665 over that area and then reinstall the seats on top of it.
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  • Location of Brake Controller Install Port on 2000 GMC Yukon XL
  • The port for installing the brake controller is located in a junction box behind the emergency brake pedal. Remove the black lid from the junction box, the brake control adapter is plugged into the second slot from the left on the top row. If you need the adapter harness and you're using a Tekonsha brake controller, we offer them as part # 3025-P. If your controller doesn't have a socket on the back just wires exiting the rear, cut the black connector off the harness and wire it to the...
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  • Is There Brake Controller Wiring For Tekonsha P-3 Brake Controller, # 90195, On 2009 GMC Yukon XL
  • Starting in mid year 2007 all the GM trucks quit offering the plug in connectors for brake controllers with a factory tow package, but they still have the wires under the dash for installing the Tekonsha P-3 Trailer Brake Controller, # 90195, on your 2009 GMC Yukon XL. The wires are identified by a white label and are located under the left side of the instrument panel to the left of the steering column. These wires under your dash can be connected to the brake controller wires. I am sending...
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