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Expert Answers about GMC Sierra


  • What Does Tow Mode Switch Do On 2004 GMC Sierra
  • The tow mode switch on your shifter is designed to change the shift points of the transmission and makes the shifting a little quicker and harder and it is recommended that it be on when towing a trailer. It will downshift faster when going up a hill when towing and will use engine braking when going downhill. A transmission cooler like the Derale Combination Transmission and Engine Oil Cooler, part # D15902 serves two purposes. It is divided in to two sections. It has and inlet and...
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  • 7-Way Wiring Diagram for a 2006 GMC C5500
  • The standard layout for a 7-Way plug can be viewed in the included diagram. If your 2006 GMC C5500 has a factory 7-Way, this should be the same layout used for your existing plug. If it is an aftermarket 7-Way, it is possible that the plug was wired with a different layout, depending on the installer. You can use a circuit tester like part # PTW2993 to verify that your 7-Way is laid out the same way as the picture.
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  • What Is the Bluetooth Range of the Curt Echo Mobile Trailer Brake Controller C51180
  • The Bluetooth range of the Curt Echo Mobile Trailer Brake Controller part # C51180 is right around 50'. The only time this would be an issue is on longer motorhomes but even then it will still work with most. If you just have a standard 1/2, 3/4, or 1 ton tow vehicle then you won't have any issues at all with Bluetooth range.
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  • High and Low Voltage Operation of Hughes Power Watchdog Surge Protector with Bluetooth
  • The Power Watchdog Surge Protector with Bluetooth, # HU97FR is a 30 amp surge protector that has a free Smartphone app for iOS and Android. It will connect via Bluetooth to monitor your volts, amps, and watts in real time to keep an eye on your power draw and provide push notification when voltage is outside of acceptable, customizable ranges. It does not allow you to disconnect remotely. But if an unsafe power reading is detected it will automatically shut down the input power to protect...
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  • Can BRW77FR Be Wired To The Battery In Conjunction With A Solar Charger
  • The problem to watch out for, is not the voltage, it's the current (cfm). If your battery recommends 30a max charge current and both of your chargers are rated at 15a, you're good to use them both at the same time. If your chargers are both 30a units, then you could damage your battery. Since both the Solar # BRW54FR and wall charger # BRW77FR are 7.5 Watts I don't see there being an issue. The wall charger has a cut off when the batter is fully charged and the solar will maintain the the...
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  • Determining the Axle Capacity of a Travel Trailer With Bearing Numbers and Spindle Measurements
  • Based on the bearing and seal part numbers that you provided as well as your measurements, your trailer probably has a 3,500 lb axle. I also recommend checking the outer diameter of your axle tube. If it is a 3,500 lb axle, then it should have an outer diameter of either 2-3/8 inches or 3 inches. If you can tell me the diameter of your axle and whether you need double eye springs or slipper springs, I would be happy to provide some recommendations for you. Can you also tell me if your...
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  • Longview Custom Towing Mirror # CTM1600 for 2011 GMC Sierra
  • The Longview Towing Mirrors, part # CTM1600 are fully adjustable. Typically, the OE mirrors on a vehicle drivers side are flat and the passenger side is convex. According to Longview Mirror, the driver and passenger side slide on towing mirrors are constructed of flat glass, neither concave nor convex. To see a product demonstration video featuring the Longview slide-on towing mirrors, click the provided link.
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  • Flashpaq Performance Tuner Power Increase for a 2011 GMC Sierra
  • I spoke with my contact for Superchips and he said the Flashpaq F5 Performance Tuner, part # SU2845, will help with your take-off and mid-range power on your 2011 GMC Sierra, however, the increase in power will vary from vehicle to vehicle. Any aftermarket modifications to the vehicle will also affect the performance increases. The towing power levels will increase your mid-range power and the performance power levels will increase your take-off power. This tuner comes with other beneficial...
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  • Functions And Dimensions Of The K-Source Custom Extendable Towing Mirrors # KS62049-50G
  • No, the K-Source Custom Extendable Towing Mirrors - Manual - Black - Pair # KS62049-50G are only manually adjustable and do not have a heat function. The mirrors face dimensions are 10-3/4" wide by 7" tall.
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  • Why Does The Replacement Velcro Shur-Bond Fastener for TruXedo Deuce Tonneau Covers Have 4 Strips?
  • The Replacement Velcro Shur-Bond Fastener for TruXedo Deuce Tonneau Covers for 6' Beds # TX1117786 comes with 4 strips as the Deuce Tonneau has the front section that folds back. This is a feature exclusive to the Deuce cover that allows for access to items in the front of the truck bed.
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  • What is the Warranty for Adco RV Cover w/ Tyre Gards for Travel Trailers 290-34847
  • The Adco RV Cover w/ Tyre Gards for Travel Trailers - All-Climate + Wind - Tyvek - 37' Long Item # 290-34847 has a 3-year warranty.
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  • Wiring Colors On 2000 GMC Sierra When Installing 7-way Trailer Connector
  • You will need to use a circuit tester like part # PTW2993 to identify the wiring on your 2000 GMC Sierra. Vehicle manufacturers can change the wire color at any time, so you have to test the wires by function and not color. I have attached a helpful article on wiring you can check out. It has a chart that shows what wire colors are most commonly used for vehicle manufacturers. As the chart shows in the article these are the typical wiring colors and their function. Green for right turn...
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  • Life Expectancy of SeaSucker Vacuum Cups Exposed to Florida Sun
  • The SeaSucker # 298-SX6000B would be a great choice. SeaSucker is Located in Florida also, where's they've been constructing marine equipment for years. Equipment that's designed for use in a sunny, hot, marine environment so their stuff is built to be pretty rugged. SeaSucker uses a UV inhibitor in all their rubber vacuum cups. As long as the protectant you're looking to use is meant for use on rubber, there should be no problem. According to my contact, with their added UV protection...
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  • Increasing Clearance While Towing Gooseneck or Fifth Wheel Trailer with 2014 GMC Sierra Short Bed
  • Since you have a short bed truck, you may want to use the B&W Companion Slider hitch # BWRVK3400. This fifth-wheel trailer hitch, which also adapts your Turnoverball gooseneck hitch, incorporates a slider that gives you an extra 12" of fore/aft movement to ensure proper cab clearance when executing turns. I have included a view review of this fifth wheel hitch for you to check out. If you are pulling a gooseneck trailer you will need something like the B&W Extend-A-Goose Gooseneck Coupler,...
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  • Does DeeZee Invis-A-Rack Folding Ladder Rack Have Theft Prevention Built In
  • There really is nothing about the installation of the DeeZee Invis-A-Rack Folding Ladder Rack, part # DZ951600 that would stop a determined thief. It would however take some effort for a thief to take the ladder rack without being noticed as they would have to use a wrench to remove the clamps that hold the rack rails in place. The 4 brackets on each side of the truck bed would take time removing. We haven't had anyone contact us saying they had their rack stolen but if a thief is determined...
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  • Is the Swift Hitch Wireless Backup Camera Water Resistant
  • Basically what protects the Swift Hitch # 04928 from the elements is the plastic cover that you see on the back of the camera. This makes them more weather resistant but not water proof. It would be a good idea to take either camera off when not in use to keep the elements from shortening its life span.
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  • Should Ball Spin On Gooseneck Plate For Fifth Wheel Rails
  • One of the gooseneck trailer hitch adapters we offer is part # RP58079. This holds the ball in place with a clip and the ball will spin. We offer two gooseneck trailer hitch adapters from Reese that will allow you to hook your gooseneck trailer up while using fifth wheel rails. The other adapter is the one you came from, part # 16055 and it has the ball welded in place. If the weld has broken and allows the ball to move, it would be dangerous and you should stop using it immediately. I...
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  • Tire Chains for 2012 GMC Sierra
  • etrailer does not manufacture tire chains, we are an online retailer of products from multiple suppliers. Many products are imported but the pewag brand is Made In USA. If you let me know what size tire you need chains for I will be happy to provide you with options.
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  • How Much Does the BedSlide 1000 Classic Truck Bed Slide Tray 1,000 Lbs Weigh
  • The BedSlide 1000 Classic Truck Bed Slide Tray - 1,000 Lbs part # BE24ER weighs around 200 lbs.
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  • Is the TruXedo TruXport Roll Up Tonneau Cover # TX281101 Waterprooof
  • The vinyl top of the cover will prevent most water from infiltrating but I would not consider any tonneau cover to be completely waterproof. During a heavy rain, the water will have a way of finding any opening, no matter how small it might be. Truxedo offers a tailgate gasket kit, part # TX1703206 that might help somewhat. If you are storing anything in the bed of the truck that cannot get wet under any circumstances, do yourself a favor and wrap it in plastic. Weatherprooof, yes. Waterproof,...
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