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2003 Chevrolet Avalanche Accessories

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2003 Chevrolet Avalanche Questions and Answers


  • Recommended Folding Cargo Carrier for 2003 Chevy Avalanche
  • The Curt Cargo Carrier you mentioned, part # C18132 will certainly fit, but you will need to take a measurement to determine if it can be folded up against the rear of the vehicle once installed. Measure from your hitch pin hole in the receiver rearward until the clear the furthest rearward portion of the back bumper. If this measurement is less than three inches (2-1/2 would be better), the cargo basket will be able to fold. If you find that the Curt Carrier you mentioned will not fold, w
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  • Trailer Brakes Lock Moving Forward But Release Going Backward on 2003 Chevrolet Avalanche
  • This is a very strange problem. If your 2003 Chevy Avalanche has a 7-Way trailer connector, make sure that it is pinned out correctly like in the picture I have provided by checking the pins with a circuit tester, # 3808, if needed. Then make sure that the trailer is wired to match the Avalanche 7-Way. Anything that does not match up could be causing the problem. If the trailer is using a 6-Way and you have an adpater that could be the problem. There are 2 ways to wire a 6-Way, the center pi
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  • Average MPG Gains with Superchips Vivid LINQ on 2003 Chevy Avalanche with 5.3L Engine
  • Superchips provides average HP and Torque increases that are attainable, but due to the fact that there are many variables that will effect the realized fuel economy such as vehicle condition, altitude and driving style, Superchips cannot provide anything guaranteed in the way of mpg improvement numbers. However, my Superchips contact tells me that through testing and consumer feedback, they find a 2-3 mpg improvement is typical. You can view a product demonstration video by clicking on th
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  • Recommended parts for Flat Towing a 2003 Chevy Avalanche
  • First, you will need to consult the vehicle owners manual to determine if your 2003 Chevy Avalanche can be flat towed. Some models require special parts (such as a transmission lube pump or drive shaft coupling). If you find your model can be flat towed, you will need to start with base plates. For a 1500, use Roadmaster XL Base Plates, # 199-5. For a 2500, use # 3112-1. If your truck came with a brushguard, the base plates will not fit unless the brushguard is removed. Next you will need
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  • Brake Controller Installation Instructions on a 2003 Chevrolet Avalanche Without Factory Tow Package
  • Yes, we do have a photo, see link, that shows the location of the brake controller power wire and the brake controller output wire that need to be connected under the hood on your 2003 Chevrolet Avalanche if you do not have a factory 7-Way. We also have detailed instructions, see link, to help with the installation of the P3 brake controller on your Avalanche. The red wire shown in the photo is the power wire for the brake controller. This wire should go on the power post closest to the firew
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  • Prodigy P2 Brake Controller Troubleshooting N.C. Display on a 2003 Chevrolet Avalanche
  • The first thing I would do is fully activate the manual lever on the Prodigy P2 brake controller, # 90885, and release it, letting it snap back to the off position several times. This can clean the internal contacts and allow the brake controller to function properly. Sometimes dust and debris get into the controller and cause the manual contacts to remain activated, which could be the issue. Next, unplug the connector from the back of the Prodigy P2 for 2 to 3 minutes, allowing the brake con
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  • Timbren Rear Suspension Enhancement System # TGMRG25C Installation on a 2003 Z71 Avalanche 4WD
  • When you install the Timbren Rear Suspension Enhancement System, part # TGMRG25C, onto your 2003 Chevy Avalanche 4WD you will actually remove the original bump stop and install this product in place of it. What keeps this product in the mounting cup is a bolt that runs through the bottom of the # TGMRG25C that goes through the mounting cup securing this product to it. I attached installation instructions for this product for you to check out as well.
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  • Comparing Timbren and Firestone Vehicle Suspension Enhancement for a 2003 Chevy Avalanche 1500
  • In terms of capacity, the Timbren Rear Suspension Enhancement System, # TGMRG25C, for a 2003 Chevy Avalanche 1500 has quite a bit more; a total capacity of 6,000 pounds. Compare that to the maximum 1,000 pound capacity of the Firestone Vehicle Suspension, # F4108. Both systems will offer similar benefits including helping to keep loads level, improved steering and balance, a better ride, and will prevent the vehicle from bottoming out. The Firestone system can be leveled side to side and to
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  • Wiring Plug, Hitch, and Accesories For 2003 Chevrolet Avalanche Towing 23 Skamper Travel Trailer
  • The item you selected, Pollak 7- and 4-Pole Trailer Connector Socket , part # HM40975, plugs into factory connector above the spare tire. You can use part # HM40975 if the vehicle wiring will reach to plug into your vehicle. If you find you need extra length of wiring to connect I would recommend Replacement Multi-Tow 7-Way and 4-Way Trailer Connector, part # 30955, which is designed to work on your Avalanche, and will plug into the factory connector above spare tire underneath your truck. Both
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  • What Is The Length And Weight Capacity On The Roadmaster Cable Connectors, # RM-910022
  • The length on the Roadmaster Replacement Cable Connectors, # RM-910022, is 3-3/16 inches and the width is 1-1/2 inches. The thickness of the connector is 3/8 inch. The maximum capacity on the connector is 6,000 lbs. They are packaged in a quantity of two.
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  • Adapter Needed for a Blue OX Alexxa BX7435 Tow Bar On a 2003 Chevrolet Avalanche
  • You can use either of the Roadmaster tow bar adapters to connect your Alexxa BX7435 tow bar to the Roadmaster XL Base Plates # 199-5. If you choose the # RM-033 adapter you will also need the Roadmaster Tow Bar Quick Disconnect Kit, item # RM-201, which will allow the tow bar to be easily disconnected. If you choose the # RM-032 adapter you will not need the addition of the quick disconnects and one side of the adapter bar will stay attached to the Blue Ox tow bar when disconnected.
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  • Selecting a Ball Mount and Ball for a 2003 Chevrolet Avalanche
  • One of the most important things to do when towing is to get the trailer and vehicle level. Selecting the appropriate ball mount will allow you to keep the trailer level. We have a page that shows how to find what drop or rise ballmount is needed to keep the trailer level, I have included a link to it. Basically you will measure the height of your hitch and the height of the coupler on the trailer. If the trailer is higher, then you get a ball mount that rises however many inches. The opposite g
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