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Expert Answers about Hummer H2


  • Will a 315/70-17 Spare Tire Fit in a Yakima MegaWarrior Roof Basket on a Hummer H2
  • Yakima's spare tire carrier will accommodate tires up to 35 inches in diameter. According to my calculations, your tire comes in just under that at 34.36 inches. The tire rack is pretty stout, I do not think stability will be a problem. As far as wind noise goes, the fairing included with the MegaWarrior Roof Basket will certainly lessen the wind noise. Mounting the tire as close to the rear of the basket as possible will help minimize wind noise as well. Just make sure you do not exceed...
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  • Roof Basket Recommendation for a 2003 Hummer H2
  • Yes, for your 2003 Hummer H2 with factory raised siderails the Surco Safari Rack 5.0 Rooftop Cargo # SPS4560-1101 has been confirmed as a fit.
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  • Can Either Pin Hole of B&W Tow and Stow Ball Mount part # BWTS10049B be Used
  • Either hitch pin hole of the B&W Tow and Stow Ball Mount part # BWTS10049B can be used in the hitch of your vehicle. Whichever one works for your towing application best will be perfectly fine.
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  • Replacement Air Spring Recommendation for a 2003 Hummer H2 with Firestone Coil-Rite Springs
  • Yes, if you have the Firestone Coil-Rite Air Helper Springs # F4108 kit in your 2003 Hummer H3 you would want a Replacement Air Spring # F6003.
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  • Standup Paddleboard Carrier for a 2006 Hummer H2 with Factory Roof Rack
  • For your 2006 Hummer H2 with factory roof rack you can use the Thule SUP Shuttle, # TH811XT, to carry your standup paddleboard. I have included a link to a video review for you. This carrier has a 2 board maximum capacity and is rated for 110 pounds. It will accept a paddleboard up to 34 inches wide. You could also use the Yakima SUPDawg, # Y04075, which can also hold up to 2 boards and has a 66 pound capacity. But, it can hold boards up to 36 inches wide. I have included a link to a...
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  • Magnaflow Catback Exhaust System Recommendation for a 2003 Hummer H2
  • Yes, as long as you have a 6.0 liter V8 gas engine in your 2003 Hummer H2 the Magnaflow System part # MF16673 that you referenced would work just fine with your rear air load leveling system.
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  • Which Plug-In Wiring Adapter For Installing Electric Trailer Brake Controller In 2006 Hummer H2
  • I have another option for you, but the TrailerMate Custom Wiring Adapter for Trailer Brake Controllers # TM75295 you were looking at is for 2013-2014 Ram 1500/2500/3500 trucks and did not replace the discontinued TM76284 for your 2006 Hummer H2. Instead you will need the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM # 3015-P which is confirmed to fir your 2006 Hummer H2, and will still work in Tekonsha, and Draw-Tite trailer brake controllers. If you are also needing...
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  • Recommended Trailer Brake Controller for 2008 Hummer H2
  • Starting with the brake controller itself I recommend the Tekonsha Prodigy P2 # 90885. This is an excellent proportional controller that features an easy-to-read digital display, continuous diagnostics that will alert you to any potential issues, and 3 boost level settings so you can fine tune the trailer braking. I have attached a short video demonstration on this unit that you can check out as well. The 2008 Hummer H2 should have come equipped with a factory plug for a 7-Way connector....
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  • Dual Filament Replacement Headlight Bulbs for a 2003 Hummer H2
  • The high beam and low beam headlights for your 2003 Hummer H2 are the same light bulb so they are dual filament. You can use # P239007NW which are DOT approved for on-road use. You can alternatively use # VX-H9007-R which are also dual filament.
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  • How to Lock the Curt Multi-Ball Adjustable Ball Mount part # D900 to Its Shank and to Hitch
  • We have exactly what you need to lock the ball mount platform to the shank of your Curt Multi-Ball Adjustable Ball Mount part # D900 and to lock the shank to your hitch. What you would need is the Trailer Hitch Receiver Lock # e98881. You will need to order a quantity of 3 of these locks and select the keyed alike option before you hit the add to cart button and we will send you out 3 of these locks that will all use the same key. The part # LPL55CB would also be a great license plate...
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  • Base Plate for 2008 Hummer H2 to Flat Tow with Roadmaster Nighthawk
  • The Nighthawk tow bar part # RM-676 and the Invisibrake kit part # RM-8700 can be used to flat tow your 2008 Hummer H2 but you will need a new base plate kit which for that you'd want the part # 2506-3 and you'd be set.
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  • Recommended Towing Mirrors For 2006 Hummer H2
  • I have another option for you, but the CIPA Custom Towing Mirror # CM11401 you were looking at was designed for select Ram trucks, and is not a confirmed fit for your 2006 Hummer H2. Since there are no custom fit towing mirrors confirmed to fit your H2, I recommend the CIPA Universal Towing Mirrors # 7070-2 if you are looking for a pair of mirrors, or # 7070 if you are wanting a single mirror. I like these mirrors due to the textured rubber straps that hold the mirror secure to your factory...
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  • How Does Brake Controller and 12 Volt Accessory Circuit Activate 2008 Hummer H2
  • Under the dash there is a brake controller install wiring bundle you can use to install a brake controller like the Brake EVN # TK63VR. This wiring ties into the 7-way at the rear of your vehicle that you mentioned. There is also a wire under the hood that is red and black near the brake booster that needs to connect to the fuse box/relay box to activate it. It has a ring terminal on it and it attaches to the larger terminal on the front of the relay box. You'll need to install a 30 amp...
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  • Can Reese Sidewinder for Lippert 1716 Pin Box Also Replace Lippert 1621 Pin Box
  • The Lippert 1621 and 1716 model pin boxes feature different enough mounting bolt patterns and designs that you won't be able to use your current Sidewinder (designed to replace the 1716) on your new trailer that is equipped with the Lippert 1621. For your new trailer you can use the Reese Sidewinder # RP34FR or the Premium # RP61422 that features an enclosed air spring to absorb road shock and provide an extremely smooth ride. Both options have a 16,000 pound towing weight capacity and...
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  • Tow Bar Lighting Recommendation for 2008 Hummer H2
  • If you don't have tow bar lighting installed on your 2008 Hummer H2 yet you will need it as well since you don't have a way to activate the lights yet. For lighting you can use the diode kit, # RM-15267, and not have to worry about cutting into the taillight housing. This will splice into your taillight wiring to allow your tow vehicle to control the taillight assemblies of the towed vehicle. This comes with a round 6-way connector that you will install on the front of your towed vehicle...
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  • Replacement 7-Way and 4-Way Recommendation for 2005 Hummer H2
  • What you would want is the part # HM40975. This is a 7-way and 4-way that is confirmed to fit the round connector you have on your 2005 Hummer H2 and comes with a mounting bracket as well.
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  • Recommended Ladder Rack for 2005 Hummer H2 SUT for Rooftop Tent
  • The Reese Towpower TransRACK Workmate Truck Bed Ladder Rack - 800 lbs # RP7063500 will not be compatible with your 2005 Hummer H2 SUT. There isn't a confirmed fit from any of our manufacturers so you will likely need to have something customized. The closest option that may be compatible is the Yakima Overhaul HD Adjustable Truck Bed Rack - Aluminum - 500 lbs # Y01151 which is height adjustable to also utilize the roof rack rear crossbar and has a base that is more easily mounted. Then...
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  • Base Plates, Tow Bar, Safety Cables, and Wiring to Flat Tow a 2006 Hummer H2
  • In order to tow your 2006 Hummer H2 using a tow bar, you will first need to install base plates. I recommend base plate kit # 2506-3. I did some research and found that the curb weight of your Hummer H2 is about 6,600 pounds. You will need a tow bar that can handle this much weight and is compatible with the MX style of base plates. I recommend the RoadMaster Blackhawk 2 All Terrain Tow Bar, # RM-422. This tow bar is capable of up to 10,000 pounds. You will also need safety cables and...
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  • Trailer Hitch Mount 4 Bike Rack Recommendation for a 2006 Hummer H2
  • I do not recommend the use of the trailer hitch extender # he18 for use with a bike rack. Using a hitch extension reduces the the tongue weight capacity of the hitch by 50 percent. With a bike rack like the Yakima SwingDaddy and the rack loaded to its 120 pound capacity, the combined weight of the racks and bikes would be enough to exceed or come close to the maximum reduced tongue weight capacity.
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  • Converting an M105A Military Trailer Air Over Hydraulic to Electric Over Hydraulic Drum Brakes
  • I have the perfect solution for you! The first thing you need to do is swap out your actuator and for that I recommend using the USA made HydraStar Electric Over Hydraulic Actuator for Drum Brakes # HBA-12 because this company makes very reliable equipment and they receive great reviews from our customers. From my information military trailers like your M105A use larger 1/4" brake lines so you should also need the Fitting # HS43-9035 to make this actuator compatible with your trailer brake...
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