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Expert Answers about Hummer H2


  • Does Blue Ox Base Plate for 2005 Hummer H2 Just Replace Tow Hooks
  • Yes, you are correct; your 2005 Hummer H2 will not have a large plate on the frame when installing the Blue Ox Base Plate Kit # BX4102. I have added a link to the instructions which detail this, but essentially these base plates are simply going to replace your existing tow hooks, like you mentioned. There are a number of other parts you'll need to flat tow your 2005 Hummer H2, and I'll recommend the parts you need. - Tow Bar: Blue Ox Avail Tow Bar # BX7420 - Wiring Kit: Roadmaster Diode...
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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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  • Will the Thule Flat Top Ski and Snowboard Carrier fit Factory Crossbars on a 2004 Hummer H2
  • According to the Thule Fit Guide, the Thlue Flat Top Ski and Snowboard Carrier, part # TH7326 should fit just fine onto the factory cross bars. I have added a link to the installation instructions below. If your cross bars measure 2 inches by 4 inches, the THXADAPT7 bolt kit will probably be needed.
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  • 2005 Hummer H2 with OEM Air Ride Suspension Enhancement Recommendation
  • I checked with Timbren and they have confirmed that the Timbren Rear Suspension Enhancement System # TGMRH2 that you referenced is compatible with your 2005 Hummer H2 with auto-leveling air ride suspension. I attached installation instructions and an FAQ on Timbrens for you to check out.
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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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  • Can The Roadmaster 12v Outlet Kit Come With Two Ring Terminals
  • The 12 Volt Outlet Kit # RM-9332 comes from Roadmaster as is so you would need to order a separate ring terminal # # DW05702-1 and use a pair of wire cutters # PT43ZR to cut off the old spade terminal, strip off some casing on the wire, and crimp on the new ring terminal.
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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 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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  • 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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  • Availability of a Folding Cargo Carrier to Fit a 2006 Hummer H2
  • You will be able to install the 20x60 Folding Cargo Carrier for 2 inch Trailer Hitches, item # C18151, in the receiver hitch of your 2006 Hummer H2 with no problems but you will need to measure to be sure the carrier will fold up once it is installed in the hitch. Measure from the center of your hitch pin hole to the farthest back part of the Hummer, whether it be the bumper or a rear mounted spare tire. If this measurement is less than 6 inches then the cargo carrier will fold up without...
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  • Brake Controller and Hitch Extender Recommendations for 2007 Hummer H2 Towing Pop-Up Camper
  • Thank you for your prior purchases from etrailer! Towing a trailer with electric brakes will require that you install a trailer brake controller in your 2007 Hummer H2. The unit I recommend is the Prodigy P2 # 90885. This reliable and highly-rated controller is easy to set up and operate, it works with both electric brakes and electric-over-hydraulic brakes and it includes advanced features like built-in diagnostics and a bright LED display. In your H2 you'll use wiring adapter # 3015-P...
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  • Which Chains Fit 35x12.5x18 Tires and Can Be Used on Mud and in Deep Snow
  • I have a solution for you, but the # PWH2433S will not fit on a 35x12.5x18 tire. However, the pewag All Square Mud Service Snow Tire Chains - 1 Pair # PWE2441S are the perfect solution if you need to take your vehicle off road in mud and/or snow. These chains are made from a nickel manganese alloy to provide strong rust resistance and the square steel links provide great traction on all surfaces. I've linked a short review video of these chains, as well as all of the chains that will fit...
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  • 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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  • 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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  • 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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  • Installation of 3015-S Trailer Brake Controller Harness in 2003 Hummer H2
  • The Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Pigtail - GM # 3015-S does match color for color if you have 12V power getting to the adapter. If you do not, then they specify that the red and black are reversed for functions in step 3. If you have power then you skip step 3 and move to step 4 which is matching color for color. I've highlighted this part to assist in the attached photo. The brake controller will have black for power input which will connect to the...
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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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  • Peg Dimension for Replacement Step Pad for Aries 3" Wide Oval Nerf Bars Replacement Pad
  • The Replacement Step Pad for Aries 3" Wide Oval Nerf Bars # AA86FR measures 6.496” apart center-to-center for the inner pins, and the two outer pins measuring 17.795” apart center-to-center. It's not uncommon for replacement pads to fit from one brand of nerf bars to the next, but we unfortunately don't have a list to show if there are any cross-reference fitments.
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  • What is the Difference In The Demco Stay-IN-Play # SM99251 and # DM86VR?
  • First we have the Demco SBS Stay-IN-Play DUO Supplemental Braking System # SM99251 which is the typical system most will see. We then have the Demco Stay-IN-Play DUO Supplemental Braking System w/ Wireless Coachlink Monitor # DM86VR. This 2nd kit includes the Demco SBS Wireless Coachlink # SM99945 which allows you to visibly see when the brakes in your flat towed vehicle are activated. This is much easier to see on the monitor inside your vehicle then trying to see the LED lights mounted...
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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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