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Expert Answers about GMC Terrain


  • Best Tire Chains For 2020 GMC Terrain
  • The Konig Self-Tensioning Snow Tire Chains - XG12 Pro - Size 247 # TH01594247 are confirmed to fit your 2020 GMC Terrain with 235/50R19 tires. In my opinion, these are the best chains you can get. Easy installation!
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  • Adding a 7-Way and Brake Controller to a 2012 GMC Terrain and Old Trailer
  • Trailers have combined turn signals and brake lights on the same circuit so you wouldn't tap into one of those otherwise the brakes would turn on with the blinker like you said. You are going to have to add a 7-Way connector to the 2012 GMC Terrain and to the trailer. And you will also need a brake controller. Since your Terrain already has a 4-Way you will just need # ETBC7 to add the 7-Way. I have included some links that show and explain the ETBC7 installation as well as the brake...
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  • 2015 GMC Terrain Roof Rack Recommendation for Thule Hullavator
  • For your 2015 GMC Terrain the roof rack I'd recommend for use with the Thule Hullavator part # TH898 is the Thule WingBar part numbers # TH711220 and # TH710401. This is a confirmed fit for your Terrain and will work really great with the Hullavator since Thule makes this too. The WingBars are aerodynamically shaped too which helps prevent wind noise. This configuration has been tested to work on your vehicle and with the Terrain so it will work really well overall.
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  • Can a 2017 GMC Terrain Tow a Trailer With Electric Braes
  • Yes, it is possible to tow a trailer with electric brakes using a 2017 GMC Terrain. In order to do this you'll need to start with the trailer connector, the Curt T-Connector Vehicle Wiring Harness part # 56094 for models without the factory tow package or part # C56210 if you do is what I recommend. Then, this can be converted to a 7-way with the 7-Way RV Upgrade Kit part # ETBC7L which will then work perfectly with a wireless brake controller like the Curt Echo Wireless Trailer Brake Controller...
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  • Differences Between the Thule Camber and Hitching Post Pro Bike Racks
  • The biggest difference between the Thule Camber part # TH9058 and the Thule Hitching Post Pro part # TH934XTR is that the Camber can only carry 2 bikes and the Hitching Post can carry up to 4. The advantage to the Roadway is that it uses latches to make folding the upright mast and arms down a bit easier. The Hitching post uses snapper pins that have to be removed and then lined up to reinstall. Aside from that the racks are very similar. If you wanted to remove cradle from the Hitching...
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  • Ring Terminal Recommendation for Circuit Breaker 9506P
  • Sounds like you are looking for ring terminals to use with the circuit breaker part # 9506P. For that you would want the Ring Terminal # 44-5356A which has a 5/16 inner diameter and is designed for use with 10-12 gauge wires. The side of the breaker that has the copper looking post will be the side that runs to the battery and the other side will run to the accessory you will be powering.
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  • Parts Needed to Flat Tow 2015 GMC Terrain
  • The Roadmaster EZ Base Plate Kit # 523163-1 referenced in your question is confirmed to fit your 2015 GMC Terrain. There is no difference at all between the two part numbers you mentioned. The 523163-1A is the part number that the manufacturer (Roadmaster) uses and we simply drop the "A" when listing it on our site. In order to flat tow your Terrain, you will also need a tow bar, safety cables, a lighting solution, and a supplemental braking system (if you do not have these parts already)....
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  • etrailer vs. Curt Hitch on a 2013 GMC Terrain
  • In terms of quality both etrailer and Curt make very reliable trailer hitches and honestly neither is going to wilt under the elements in the northeast U.S. When choosing a hitch what people generally look at is capacity and, like you asked, if modifications are going to be made to their vehicle. The etrailer # e98865 and the Curt # 13591 are basically identical hitches except for their finishes. The Curt has a glossy black finish and the etrailer has a matte black finish which I think...
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  • Is There a Through-Bumper Trailer Hitch for a 2020 GMC Terrain
  • I do have an option for you but the trailer hitch options for a 2020 GMC Terrain all install below the bumper, there aren't any options which stick through the bumper at least that I am aware of. The reason being there isn't any sort of knock-out panel for the receiver tube to show through so you'd be left cutting a very large hole in the center of the bumper and most trailer hitch manufactures simply won't design a hitch this way. If you need a trailer hitch you'll have to go for the under...
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  • Bright LED 4-1/2 inch Diameter Trailer Tail Light Recommendation
  • The GloLight 4-1/2 inch Round LED tail light part # STL101RKB would be a great option that is incredibly bright. If you check out the review video I attached you can see that when the brighter illumination of the light is activated like when the brakes are activated the light is very bright.
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  • Plug In Tow Bar Wiring and Trailer Wiring Harness at the Same Time on a 2017 GMC Terrain
  • You can install trailer wiring harness # 118494 on your 2017 GMC Terrain between the tail lights and the tow bar wiring harness # HM56108 that you already have installed. So basically you will unplug the HM56108 harness, plug in the 118494 connectors to the lights, then plug the connectors from HM56108 to the 118494 and then to the other vehicle connectors that lead to the front of the vehicle.
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  • Benefits of Changing to Larger Tire and Wheel on Kayak Trailer
  • There are a couple potential benefits to going with larger tires and wheels on your home built kayak trailer. The first is that a larger tire will likely raise your trailer a bit, resulting in better ground clearance when traveling. You will just want to make sure that you have the space available with your existing fenders and trailer frame for a larger size. Another potential benefit is that a larger tire and wheel will most likely have a larger load capacity. Keep in mind though...
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  • Parts Needed and Procedure for Flat Towing a 2015 GMC Terrain
  • According to the online manual for the GMC terrain that I reviewed the vehicle can be flat-towed once a few preparation steps are taken, including removal of fuse 32 to prevent battery drain. I suggest you refer to your owners manual, specifically the section identified in the index as Recreational Towing, just to confirm that your particular Terrain is suitable for flat-towing and to become familiar with the steps necessary. Here is what I found in the manual: 1. Position the vehicle...
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  • Roof Rack and Kayak Carrier Recommendations for a 2011 GMC Terrain
  • Thule makes a nice roof rack system for the 2011 GMC Terrain with factory side rails that run front to back. You will need the Evo Raised Rail Feet # TH710401 and 53" WingBar Evo Crossbars # TH711420. You can then use kayak carriers. Since you have the larger type of kayaks, it would be best to carry them on their sides using the Stacker, # TH830, that you have referenced. The roof rack listed above has a capacity of 165 pounds. You also need to check the owners manual for the weight capacity...
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  • How to Find Stoplight Circuit Switch in 2012 GMC Terrain for Installing Brake Controller
  • We haven't had the chance to install a brake controller in a 2012 GMC Terrain like what you have but what you'll have to do is use a circuit tester like part # PTW2993 to test the wires that feed into the brake pedal switch and use the wire that only sees voltage when the brakes are applied.
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  • Can Bumper Door be Reinstalled After Installing a Trailer Hitch on a 2013 GMC Terrain
  • I checked the various instructions for the hitches available for your 2013 GMC Terrain. The fascia door can only be reinstalled after a hitch is installed on the Chevy Equinox but not the GMC Terrain. GM may have an alternate cover that you can get from a dealer that is deeper and will fit over the hitch. But what I recommend is to go with a Class III hitch like you wanted, # 13591 is a great choice, and then use a hitch cover such as # AUT-GMC2-C which will look pretty awesome. I have...
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  • Trailer Hitch Recommendation for 2020 GMC Terrain Denili
  • The opening in the rear bumper fascia is for the OEM hitch available from GM. The aftermarket hitches we offer for that vehicle, such as the Curt # C77FR would install so the receiver tube sits directly under the bumper, as shown in the provided photo. As you can see, the hitch crossbar is concealed behind the bumper, with the only visible portion of the hitch being the receiver tube and the safety chain loops. I've linked to the installation video for the Curt hitch I recommended. I prefer...
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  • Parts Needed to Flat Tow 2013 GMC Terrain Behind Motorhome
  • Yes, our flat towing recommendations are going to be the same for 2013 GMC Terrain as those for the 2012 model. In order to flat tow your Terrain, you will need the 5 basic components. I recommend going with the following: Tow Bar - RoadMaster Sterling All Terrain Tow Bar # RM-576 Base Plate Kit - Roadmaster EZ Base Plate Kit # 523163-1 Safety Cable Set - Included with Tow Bar # RM-576 Tow Bar Wiring - Also included with the Tow Bar Supplemental Braking System - Roadmaster Even Brake...
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  • Best Trailer Hitch Receiver for 2020 GMC Terrain
  • The best trailer hitch for your 2020 GMC Terrain is the etrailer Trailer Hitch Receiver - Custom Fit - Matte Black Finish - Class III - 2" # e59ZR. This hitch fits the non-diesel models of 2020 GMC Terrain, and I have added a link to a video install of this hitch on a 2020 year Terrain for you to check out.
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  • Comparing Blue Ox Patriot and Demco Stay-IN-Play Braking Systems for a 2017 GMC Terrain
  • In regards to braking systems, there are portable options which take a bit of time to setup but can easily be transfered for vehicle to vehicle and there are fixed options which don't really require any setup but are not easily transferred from one vehicle to another. The best two options in these categories are the Blue Ox Patriot Portable Braking System part # BLU37TR and the Demco SBS Stay-IN-Play DUO Supplemental Braking System part # SM99251. These will both work just fine on a 2017...
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