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Expert Answers about GMC Terrain


  • Will Trailer Hitch Fit on 2020 GMC Terrain With Dual Exhaust
  • The Curt Trailer Hitch # C77FR will fit just fine on your 2020 GMC Terrain with dual exhaust! If you check out the attached photo and installation video you can see that we were able to install this on a 2018 GMC Terrain that has the dual exhaust just fine. So this hitch will fit on your 2020 Terrain that has the panoramic roof and dual exhaust.
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  • Can Trailer Hitch Safely be Installed on 2020 GMC Terrain with Panoramic Roof
  • It is definitely safe to install a trailer hitch on your 2020 GMC Terrain with a panoramic roof. The only thing on your vehicle that will affect whether a hitch fits or not is if you have the model that runs on Diesel. For your application I recommend installing the Curt Class III Hitch Receiver # C77FR because it has a thicker powder coat than the Draw-Tite alternative so it will hold up better over time. Attached is an installation video of this being installed on a 2020 Terrain as well...
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  • Recommended Trailer Hitch And Wiring Harness For A 2022 GMC Terrain
  • Installing the Curt T-Connector Vehicle Wiring Harness # C94FR on your 2022 GMC Terrain will not require any extra fuses or relays to get up and running as everything needed will be included. So it really is a plug and play harness. I included an install video we did on a 2020 Terrain for you to check out as well. I can also confirm that the Curt # C77FR hitch will install quickly and easily on your 2022 Terrain. The access holes in the frame may need to opened up a little to allow the...
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  • Recommended Wiring Harness For 2018 GMC Terrain Without Towing Package
  • If you do not have a towing package you will not have the locations for the relays in the fuse box that come with the Curt T-connector wiring harness part # C56375 or the Curt wiring harness part # C94FR because they are designed for the 2018 GMC Terrain with factory tow package.
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  • Adapter for Duncan Towmatic 2 Tow Bar for Base Plates on 2016 GMC Terrain
  • All you need is an adapter and you can absolutely use your Towmatic II tow bar to flat tow your 2016 GMC Terrain. The correct part is the RoadMaster Base Plates to Duncan Towmatic II, Karbar and EazAligner Tow Bars Adapter # RM-038; you will also need the Roadmaster Tow Bar Quick Disconnect Kit # RM-201. These will work with the Roadmaster Direct-Connect Base Plate Kit - Removable Arms # RM-523184-5 that fit your 2016 Terrain. I have added a link to a video showing these base plates being...
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  • Finding Hole for Air Line for Roadmaster BrakeMaster on GMC Terrain
  • To install the Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes # RM-9160 through the hole in your dash you'd need to find a hole in the dash by getting up under it and looking. I wish I could be more specific but we haven't had the chance to install this on a Terrain so I can't. Another option might be to drill hole in the firewall.
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  • Towed Vehicle Protector/Rock Shield Compatible With Blue Ox Aladdin Tow Bar
  • I do have an option for you but The Roadmaster Guardian Rock Guard part # RM-4000 is designed for the Roadmaster tow bars with quick disconnects. It sounds like you have the Blue Ox Aladdin tow bar. You will need Blue Ox KarGard Towed Vehicle Protector part # BX8870 to protect your tow vehicle from flying debris and rocks.
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  • Compatibility of Flat Towing 2014-2016 GMC Terrain and SMI Air Force One Braking System
  • The GMC Terrain models from 2014 through 2016 can call be flat towed four wheels down, but it is recommended to have a speed restriction of 65 mph on all of these models when doing so. It is also recommended to start the vehicle and let it run for 5 minutes prior to towing and at each fuel stop. This gets the moving components properly lubricated to prevent damage. You will also want to let the engine idle for 3 minutes or more prior to driving after towing it. You will also want to...
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  • Fit of Curt Class III Trailer Hitch# 13591 on 2013 GMC Terrain
  • The Curt Class III hitch you referred to, part # 13591 will indeed fit all models of the 2010-2014 GMC Terrain. I'll link you to the install instructions, as well as to a video showing the hitch being installed on a 2013 Chevy Equinox. The procedure on your Terrain would be identical. If you'll be using the hitch for towing purposes, you'll need a few other accessories: Trailer wiring harness, part # 118494 Ball mount, part # AMSC2 2 inch trailer ball, part # 63845 1-7/8 inch trailer...
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  • Will the Curt Class III Round Tube Trailer Hitch # 13591 Mount on a 2011 GMC Terrain
  • Yes, I checked with the manufacturer Curt Manufacturing, and the Curt Class III Round Tube Trailer Hitch Receiver, item # 13591, will fit on the 2011 Model of the GMC Terrain. I have linked installation instructions below for you to review. Some items you may need with the Class III hitch are listed below. Wiring # 118494 Drawbar # C45010 Pin and clip # PC3 Hitch Ball # 19260 or # 19247 Hitch Lock Kit # e99039
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  • Which T-One Wiring Harness for a 2020 GMC Terrain
  • Both Tekonsha T-One wiring harnesses will fit a 2020 GMC Terrain but it's based on whether or not you have the tow package on your vehicle as opposed to AWD vs FWD. With Factory Tow Package - # C94FR Without Factory Tow Package - # 119250KIT If you aren't sure if your Terrain has the tow package you can call your local GM dealer with your VIN and they can clarify this for you.
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  • Will 4" Round LED Light Fit 4" Recessed Opening
  • The LED Trailer Tail Light # STL42RMB you're looking at has a lens with a 4" diameter but the hole needed to install it needs to have about a 4-1/4" to 4-1/2" diameter. This is the case with all of the 4" diameter lights though so you might end up needing to make the hole a little larger so you can install a light. Please note that this has a plug at the back side of it so you'll need the 3-Wire Pigtail # A45PMB as well to connect this to your trailer wiring.
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  • Is the Base Plate Kit part # 523163-1 Compatible with Roadmaster RM-501
  • To answer your first question yes, the Base Plate kit part # 523163-1 that you referenced is compatible with the Roadmaster Tow Bar part # RM-501. Also, the # RM-501 does come with quick disconnects.
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  • Roof Rack Compatible With The Thule Hullvalator Pro For My 2017 GMC Terrain
  • All you need is to get a roof rack that has between 4 to 8 inches of overhang from the tower to the end of the crossbar. That being said, this set # MPG202 will have enough room on the end to fit the Thule Hullavator # TH898. These bars will just clamp around your current raised side rails on your 2017 GMC Terrain.
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  • How To Confirm Fit of the Replacement Fan Motor Assembly Kit for Fan-Tastic Vent Roof Vent Fans
  • The Replacement Fan Motor Assembly Kit for Fan-Tastic Vent Roof Vent Fans part # FVK8017-00 fits the following models: FV800800, FV801200, FV801250, FV802250, FV803350, or FV807350. If this is what you have then it will work but you'd need to confirm this yourself by finding the model number under the screen on your unit. I don't have anyway to look up what you have now.
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  • Fit of Saris Guardian 3-Bike Trunk Bike Rack on 2019 GMC Sentinel
  • According to Saris, their # SAR43FR Guardian 3 bike trunk mounted bike rack is compatible with your 2019 GMC Terrain. Strictly speaking, nothing else is required however if you're planning on carrying women's bikes or bikes that have a top tube that isn't more or less parallel with the ground, you'll want to use an adapter bar like # 64005. The adapter bar spans the distance between the handlebar gooseneck and the seat post, providing a level attachment point for the bike which helps ground...
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  • If There Is Tow Package Port On 2018 GMC Terrain Can You Use Trailer Wiring for Factory Tow Package
  • In regards to a 2018 GMC Terrain, not all models with the tow package port will actually have the tow package wiring. In other words, the port may be present but the wires are not run from this to the fuse block therefore the port is inoperable even with the relays handy. The best way to tell is by calling the dealer but if there are actual contacts/terminals in the relay locations assume they are not already installed then you can use the factory tow package port on the rear. The Curt...
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  • How to Determine if Curt Roof Cargo Basket Will Fit Factory Crossbars on a 2013 GMC Terrain
  • The Curt cargo basket # C18115 will fit on crossbars that are up to 3 inches wide and 1-5/8 inches tall. Measure the size of the GM bars on your 2013 GMC Terrain to see if they fall into that category. It looks like you are able to move the factory bars forward and back as needed so spacing of the bars will not be an issue. The Curt basket requires a bar spacing of 15", 22", or 29" apart on center. I have included a link to a video review of the basket for you.
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  • Does Curt 4-Way that Fits 2019 GMC Terrain have Reverse Light Circuit
  • 4-way trailer wiring like what the # C94FR provides does not have the reverse light circuit as that's not a very common trailer lighting function needed. You would need to tap into the reverse light power circuit for what you are looking for.
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  • Recommended 4-Way Trailer Connector for a 2015 GMC Terrain
  • The color of the wires inside the vehicle connector will not always match the color of the wires inside the trailer connector. There is a standard wire color to function reference chart which I have attached for you, but this is not always the same on every vehicle. You will need to use a circuit tester like part # PTW2993 in order to determine wire function as this is the only sure-fire way to tell. In order to add a 4-way trailer connector to your 2015 GMC Terrain, you will want to...
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