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Expert Answers about GMC Sierra 1500


  • Longview Custom Towing Mirrors Built In Scratch Protection
  • No, the Longview Custom Towing Mirrors - Slip On - Driver and Passenger Side Item # LO54FR will not damage your OEM mirror. They come with padding and felt liners to prevent any kind of scratches to the mirror.
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  • Installation Instructions for Putco Grille on 2014 GMC Sierra 1500
  • I spoke with my contact at Putco regarding the Punch Grille Insert, part # P84194, which you reference, and he said after removing the factory plastic hood that covers the area between grille and radiator like you have done, you will place the insert over the grille. Then place a bolt through the pre-cut mounting holes and place the mounting bracket on the back so it attaches to the grille and tighten with allen wrench. Then reinstall the hood cover and you will be good to go. Check out...
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  • Is Drilling Required to Install the Curt Front Mount Hitch for 2018 GMC Sierra 1500 SLT
  • Yes. The Curt Front Mount Trailer Hitch # C31069 does require drilling holes for installation, but this would be the case for any front mounted hitch on the 2018 GMC Sierra 1500 SLT. I've linked the instructions for this hitch to this answer, but you will need a 17/32" drill bit to drill through the steel frame.
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  • How To Wire the Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector
  • I have attached a help article below which shows the correct way to wire the Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector part # PK12706. The style is referred to as 7-Way RV Standard. The wire colors on the trailer must be disregarded, you will need to test the wires for function and attach them to the respective pins based on this alone.
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  • How to Remove the 7 and 4-Way on a 2014 GMC Sierra 1500
  • To remove the style of connector you have on your 2014 GMC Sierra 1500 you will need to access the back of the connector. You will probably need to lay under the rear bumper of your vehicle to access the back of the connector where you will need to squeeze the two mounting tabs that hold the connector into its bracket. With the tabs squeezed you will be able to push the connector out through the bracket. Check out the picture I attached to see where the mounting tabs. Once the connector...
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  • Tire Valve Stem Requirements for TireMinder Systems
  • The TireMinder # TM89FR sensors can be used on standard rubber, steel, chrome, or nickle valve stems. I especially like the color LCD monitor and audible alerts.
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  • Where is Brake Controller Install Harness for 2016 GMC Sierra 1500
  • I attached an install video and picture that shows where you'll plug in the # 3016 harness to install the P3 part # 90195 in your 2016 GMC Sierra 1500.
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  • Can Trailer Tires Safely be Rotated to Prolong Life
  • Rotating in your spare tire so that your tires take turns running in different directions shouldn't cause any damage as trailer tires should be wearing evenly across the treads as long as the trailer is loaded properly and everything is on the up and up with the suspension. If your Westlake ST225/75R15 Radial Trailer Tire w/ 15" Silver Mod Wheel - 6 on 5-1/2 - Load Range E # LHAW124 starts wearing unevenly then something is going on that needs to be checked out. Attached is a review video...
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  • Typical Install Time for Shop to Install Magnaflow Cat-Back System
  • A skilled pro would most likely be able install the Magnaflow cat-back system part # MF19473 in an hour to hour and a half.
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  • Will Installing Demco SBS Air Force One Void Warranty on Towed Vehicle
  • Installing something like the Demco SBS Air Force One Supplemental Braking System # SM99243 on your 2018 GMC Sierra is covered under the Federal Magnuson-Moss Warranty Act. The Act states that if something breaks on your vehicle and you take it in for warranty repair, the dealer must honor your warranty unless whatever modifications you have added to your vehicle actually caused the problem in question. So unless the Air Force One causes the problem it will not void the warranty. Attached...
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  • How Is Roadmaster Seat Adapter For Suppllemental Brake System Installed On 2014 GMC Sierra 1500
  • The installation instructions for the Roadmaster Seat Adaptor, part # RM-88308 are on the right side of the product page. In the instructions it states you need to remove the rear Torx bolts that are holding the seat track in place. The instructions say that you may need to enlist another person to help since the seat has to be tilted to allow the installation of the adaptor under the seat track.
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  • Plug In Location for Brake Controller Wiring on a 2016 GMC Sierra 1500
  • The plug in location for a brake controller on your 2016 GMC Sierra 1500 is in the black electric junction box located to the left of the brake pedal. I've attached a photo showing where this is at for a plug in like the part # 3016-S which would be used to install the Redarc Tow-Pro Elite # RED44FR.
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  • Gear Placement for 2023 GMC Sierra 1500 For Flat Towing
  • To flat tow your 2023 GMC Sierra 1500 you will ultimately put it in park but there are a number of steps you need to take to get there so you'll need to consult your owner's manual (starting on page 406) to walk through all of the appropriate steps. If you don't already have a base plate kit then I recommend checking out the Roadmaster Direct-Connect Base Plate Kit # RM-523198-5. For a complete flat towing setup you will need a base plate kit, tow bar, safety cables, vehicle tow bar wiring,...
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  • Torque lbs Needed To Install Pro Series Fifth Wheel Hitch Head To The Hitch Legs
  • According to the installation instructions on the Pro Series 5th Wheel Trailer Hitch w/ Square Tube Slider - Dual Jaw - 20,000 lbs # PS30121 the bolts that connect the legs to the head are to be torqued to 75 ft lbs. I've attached those instructions to help further.
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  • Cab Steps for a 2014 GMC Sierra 1500
  • I still have a great solution for you but the Bully side steps # BBS-1101S-2 are not a fit for the 2014 GMC Sierra 1500. They do fit the 2500 and 3500 series, but not for a 1500 series. We have other options that do fit your Sierra 1500 though. I have included a link to the most similar ones for you. I recommend Carr steps # CARR103991. I have linked the installation instructions for you.
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  • Is it Okay to Store a 2018 GMC Sierra 1500 with SuperSprings?
  • I got in touch with SuperSprings and they said storing your 2018 GMC Sierra 1500 with your camper shouldn't be an issue and the springs, such as the # SSA28 you were looking at, should be fine in those conditions as well. As long as you are using the right springs for your vehicle, you shouldn't experience any excessive wear while your vehicle is in storage. Check out the video linked below for more details on this product.
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  • Can a 2016 GMC Sierra 1500 4WD Be Dolly Towed
  • According to the owner's manual, your 2016 GMC Sierra 1500 with 4WD can be dolly towed. If you are planning to use the Demco Kar Kaddy SS Tow Dolly with Disc Brakes # DM9713045 you will have to make sure you do not exceed the maximum vehicle weight of 4,800 lbs and have a towed vehicle tread width of 42"-76". Depending on the exact model and what you have on the truck you may not be able to use this tow dolly. The only other option would be the # DM9713093 which would give you another 2"...
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  • Is there a Difference in Installation for the Different Curt TruTrack Weight Distribution Systems
  • The only difference between Curt TruTrack weight distribution systems # C17501 and # C17500 is the capacity of the spring bars. Installation will be the same for both so you can use the video for C17500 as a guide to supplement the instructions that come with # C17501.
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  • Can I Use an Anti-Rattle Device with the Hitch Cap Sensor # C56UR?
  • As far as using an anti-rattle device with the 2" Hitch Cap Sensor for GMC Sierra MultiPro and Chevy Silverado Multi-Flex Tailgate # C56UR, it depends on what style of anti-rattle device you have. For example, if you have an anti-rattle hitch pin like the # 63232, these will not interfere with the # C56UR. However, while not specifically tested, if you have a harness-style anti-rattle device like the Pro Series Anti-Rattle Device for 2" x 2" Trailer Hitch Receivers # PS63091, these will...
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  • How To Install Putco Red Blade LED Tailgate Light Bar On 2021 Chevy/GMC Without Splicing
  • I do have an option for you but there are no custom plug-in harnesses for a 2021 GMC Sierra 1500 at this time. That said, you can still install the Putco Red Blade LED Tailgate Light Bar part # P92010-60 without splicing and retaining the trailer connector by using the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part # 118384.
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