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Expert Answers about Hummer H2


  • Curt Trailer Hitch Mounted Spare Tire Carrier For 2004 Hummer H2
  • The Curt Trailer Hitch Mounted Spare Tire Carrier # c31006 will hold your spare provided that the trailer hitch on the front of your vehicle is also capable of supporting the combined weight of the spare and the carrier. A 36 inch tires with stock h2 rims will be fine. Per Curt, the weight capacity of the carrier is whatever the tongue weight capacity of the trailer hitch is in this case. Included is a video resource to reference as well.
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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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  • Is There A Wiring Adapter To Install Draw-Tite Activator IV Brake Controller On 2003 Hummer H2
  • Yes, the adapter you will need to install the Draw-Tite Activator IV Brake Controller on your 2003 Hummer H2 is the Universal Brake Control Wiring Adapter, part # 3015-S. You will need to match the corresponding colored wires to the color wires coming out of the brake controller. You will want to twist the exposed wire and connect each wire individually with the included butt connectors. Then, wrap each connection in electrical tape. The other end of the adapter will plug into the port...
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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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  • Suspension Enhancement Kits for 2003 Hummer H2
  • Firestone Level-Rite Air Helper Springs and Shock Absorber Kit F1003 does NOT fit your 2003 Hummer H2 but all suspension enhancement products for this vehicle can be seen on the linked page. The front axle kit we have comes from Timbren and it a set of rubber jounce springs designed to support your front suspension when it is under load, such as when using a snow plow on the vehicle, kit # TGMFK25S. This no-drill kits includes rubber springs that provide progressive resistance when under...
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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 Tall Are the Pewag All Square Mud Service Snow Tire Chains
  • The square links on the pewag All Square Mud Service Snow Tire Chains - 1 Pair # PWE2441S are 8.2mm thick (.31 inches), so they will sit about 1 inch tall when mounted on the tires. There isn't a precise measurement on this since it depends on the tires, but you can generally expect about that much added height.
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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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  • Can An Extension Be Used With The Roadmaster 12v Outlet Kit
  • It's totally normal to splice on some extra wire to the 12 Volt Outlet Kit # RM-9332 to get it to the battery so I would just use some 16 AWG # 16-1-1 and a butt connector # DW05744-10 instead of using the extension # RM-9331. The extension would technically work but just splicing in more wire is a bit cleaner of a setup.
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  • Comparing Roadmaster Base Plates for 2007 Hummer H2 and Recommended Flat Towing System Components
  • The Roadmaster MS Base Plate Kit - Fixed Arms # 2503-1 does not have the removable connections like the # 2506-1 or even the # 2506-3. The removable option gives you a cleaner look when not connected, but the connection will be similar. The # 2506-1 style of arms is compatible with Quick Disconnects and all Roadmaster tow bars, where the other options are not able to use the Quick Disconnects and are not compatible with coupler style tow bars. This compatibility is the only reason why...
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  • Availability of 1-7/8 Inch Trailer Ball For EZ Hitch Adjustable Ball Mount Part # AM3296
  • I have spoken with one of my contacts with Andersen Manufacturing who tells me that a 1-7/8 inch trailer ball is not available for the EZ Hitch Adjustable Steel Ball Mount. I understand that they currently have no plans to offer one. Your best bet would be to go with the EZ Hitch you were looking at, part # AM3296. For your smaller trailer that uses the 1-7/8 inch ball, assuming that you are needing a maximum of an 10 inch drop I would suggest an adjustable ball mount like part # TK5007...
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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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  • Towing Mirror Recommendation for a 2005 Hummer H2
  • The 2005 Hummer H2 is related to the 2005 Chevy Tahoe and K Source mirrors # KS62075-76G do fit the Tahoe. But they are not a confirmed fit for the Hummer H2. None of the manufacturers we carry have a confirmed fit for the Hummer H2. The safe bet is to use a universal towing mirror. I have included a link to the universal mirrors that we carry to the right. The most popular option is # KS3891. I have linked a video showing how the universal mirror installs.
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  • Wiring In The Roadmaster 12v Outlet Kit # RM-9332 In A 2003 Hummer H2
  • You should not need to disconnect the # RM-9332 when jumping the vehicle battery, but I do agree that the ground wire should be placed elsewhere. I typically use a self-tapping screw and shoot it right into some bare metal in the engine compartment. I typically try to run the wire along the outer edge of the engine compartment to keep it out of the way for whenever other maintenance needs to be done.
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  • Would the Rhino Rack Roof Cargo Carrier # RMCB fit Factory Bars of 2006 Hummer H2
  • The Rhino Rack Roof Cargo Carrier # RMCB that you referenced is designed to fit crossbars that are up to 3-1/2 inches in width and 1-1/2 inches tall, and have a spread between them of 21 to 30 inches. If the factory rack of your 2006 Hummer H2 fits within those specifications then the # RMCB should work well for you.
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  • 7-Way To 4-Way Adapter Recommendation For 2003 Hummer H2 Towing A Rented Trailer
  • Since the owner's manual on your 2003 Hummer H2 states it has a universal 7-way connector on the back, we have an adapter that will work fine for you. I recommend the Hopkins Heavy-Duty, Coiled Trailer Connector Adapter, part # HM47075. This connects to the 7-way on your Hummer and gives you a 4-way connector to connect the trailer to. As long as the 4-way connector on the trailer you are renting has the standard 4-way flat connector attached, using the # HM47075 should take care of your...
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  • Roof Rack Recommendation for 2009 Hummer H2
  • For a 2009 Hummer H2 we have the Yakima Roof Rack part numbers # Y00409, # Y53TR, # Y03536, and # Y00224 which is a confirmed fit and will work well. We don't have anything for a 2011 model as there wasn't a 2011 model made in the US nor do we have anything that was made by Hummer.
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  • Will the Curt Roof Mounted Cargo Basket Part # C18115-117 Fit a 2006 Hummer H2
  • We have not yet tested the Curt Roof Mounted Cargo Basket part # C18115-117 on a 2006 Hummer H2 with a factory roof rack therefore, in order to determine compatibility you would need to do a bit of measuring on your Hummer. For starters, the Curt cargo basket works with crossbars that are spaced between 22 and 50 inches apart on center and do not exceed 3" wide x 1-5/8" tall. Therefore, as long as the factory roof rack on your H2 fits these two criteria then it will work well for you. Unfortunately,...
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  • Compatiblility of Flash E Series Adjustable 2-Ball Mount with 2003 Hummer H2
  • The Flash E Series Adjustable 2-Ball Mount, part # FA42-00-2800 will work just fine with a 2x2 inch Class III receiver on your Hummer H2. The Ball Mount has a 8000 lb capacity when used with the 2 inch ball, or 10,000 lbs when used with the 2-5/16 ball, although your maximum capacity will be limited by the manufacturers stated towing capacity.
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  • Recommended Tekonsha Brake Controller Adapter for a 2003 Hummer H2
  • To connect the Redarc Tow-Pro Elite item # RED63RR to your 2003 H2 you will need the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers item # 3015-P. This harness plugs directly into the Redarc wiring adapter that comes with item # RED63RR and also to the port underneath your Hummer H2's dash. The port is only available on the H2 models with the factory 7-Way and without the factory tow package.
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