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  • How to Determine Replacement Trailer Wheel Bearing Sizes
  • Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the spindle nut, remove the spindle nut, and then you will be able to remove the hub from your trailer. Once the hub is removed you will be able to get the part numbers from the inner and outer bearings to determine the correct replacement...
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  • Parts for Lugged Hubs on a Mobile Home Axle with 15123 inner and 25880 Outer Bearings
  • It sounds like you have a spindle that uses the Inner Trailer Hub Bearing, item # 25580, that has a 1.750 inch inner diameter. The outer # 15123 bearing has a 1.250 inch inner diameter. I would check the seal surface on the spindle to be sure that it matches the # RG06-070 seal inner diameter of 2.250 inches. Many times mobile home axles use non- standard parts so careful measurement of all of the parts is required. If all of these dimensions match, then you will need to determine whether...
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  • Do Nev-R-Adjust Brakes Need any Manual Adjustment
  • The # AKEBRK-35L-SA Self Adjusting brake assemblies will adjust themselves as you drive after the initial installation. The front brakes will always bear a bit more of the braking work, because more of the trailer weight is normally on the most forward axle, but it should not be noticeable. We recommend that you do adjust the shoes when you first install the assemblies, so that your brakes are working as well as they can upon the first use. This would be especially helpful in allowing your...
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  • Can Electric Brakes be Used on a Boat Trailer
  • Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using electric brakes on boat trailers due to improvements in wiring insulation and heat shrink connectors. If you are going to use electric brakes, I strongly recommend using heat shrink butt connectors, like part # DW05745-10, when splicing the wires...
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  • Spare Parts for Harbor Freight HaulMaster Utility Trailer 90154
  • We often hear of weak customer support and limited spare parts availability with "bargain" trailer manufacturers. I found an online copy of the owner's manual for the Harbor Freight Haulmaster utility trailer model 90154 but it includes no information at all about the bearing or seal part numbers it uses. Often these foreign-made trailers use odd bearings that are not commonly available. If you can, pull a hub and find the part numbers on your bearings and seal. Please refer to the linked...
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  • How to Raise and Lower the Domar Stabilizer Trailer Jack
  • Using the Domar Stabilizer Jack, # TJ01RT, is very simple. When the jack is mounted on the bottom of the trailer frame in the up position, all you will need to do is pull the leg away from the mounting bracket (there is a spring that holds the leg in place) and then swing down until it locks into position. Once down, to release the drop leg you will only need to push down on the lever at the bottom of the leg and gravity will pull it down. If you want to use the jack to slightly raise...
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  • How to Test Electric Trailer Brake Magnets to Determine if They Need to be Replaced
  • I would check the magnets for wear before going on to test them with a meter. If the magnets show abnormal wear or if you can see the windings beginning to show through the friction surface of the magnet then they will need to be replaced. To further test your magnets, first make sure the trailer is not connected when performing this test. If the trailer is connected, you run the risk of shorting out the brake controller or various other electrical components. To test the brake magnets...
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  • Comparing etrailer/AxleTek and Dexter Electric Brake Assemblies
  • The biggest difference between Dexter brake assembly # 23-459 and etrailer/AxleTek assembly # AKEBRK-7L-SA is the pad material. The Dexter assemblies use pads that are snapped off of a long strand of the material. The ones on the etrailer assemblies are cut. The benefit of cutting the pads to length is that they have clean edges and that means you won't see those fine line cracks in the material or pad corners breaking off so the pads last longer. The pads are also a little thicker...
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  • Testing Electric Trailer Brake Magnets with a Multimeter
  • The brake magnets can be tested in the manner you have suggested, just make sure that the trailer is not connected to the vehicle when performing this test. You would not want to short out the brake controller or worse. I would check the magnets for wear before going on to test them with a meter. If the magnets show abnormal wear or if you can see the windings beginning to show through the friction surface of the magnet then they will need to be replaced. To test the Brake magnets with...
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  • Power To Trailer Brake Magnets But Brakes Are Not Engaging
  • For the 2 wires coming off the brake magnet, either wire can be used for either ground or power. You will just want to make sure that the ground wire has a good connection to a clean, corrosion and paint-free location on the trailer frame. A bad ground connection could be causing your problems. You will want to check to make sure each brake assembly has a good ground connection. If the brake assemblies are not new, you will want to inspect the magnets. If the magnets have windings or...
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  • How to Install an Electric Brake Controller Unit on a 1998 Chevrolet Pickup
  • For your 1998 Chevrolet Pickup, there is no brake controller connector on the vehicle so the wiring for the brake controller will have to be hard wired on the vehicle. You will need just a few items to install a brake controller on your pickup. The items you need are a Working 4-Way connector, item # 118315, if you do not already have one. A brake controller wiring installation kit, item # ETBC7, and a brake controller of your choice. I would recommend the Prodigy P2, item # 90885 for...
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  • How to Adjust New Electric Drum Trailer Brakes
  • The first step that you will want to take is to jack the trailer up on properly rated jack stands. Make sure the trailer is suspended securely before replacing the brakes. Once you have your new electric brakes installed and the hub and drum mounted, you will want to move to the back of the brake backing plate. There should be a rubber plug at the bottom of the backing plate. Remove the plug and you should see the teeth of a star gear inside the brake assembly. This is the brake adjuster....
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  • Where To Connect Two White Wires From Brakes on Trailer Axle
  • If you are referring to two white wires from the brake magnet that are coming from the rear of each electric brake assembly, then it would not matter which wire is connected to ground and which wire is used for the brake feed. The magnet that operates the electric brakes does not require the wires to be specific. I am including a link to a video review of a electric brake assembly that will show the two wires from the magnet. If you are blowing fuses you will want to check the complete...
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  • Replacement Dexter Brake Assemblies for 023-027-00 and 023-026-00
  • We have direct replacements for the two brake assembly part numbers you listed. You would want part # AKEBRK-35R and # AKEBRK-35L. Or, for never adjust assemblies the part # AKEBRK-35L-SA and # AKEBRK-35R-SA would work as well. Most likely you have a Dexter 3,500 lb axle and the correct bearings would be the # BK2-100. However, since I do not know for sure what axle you have you would need to pull the hubs of your trailer to get the numbers stamped on the bearings so that we can pick...
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  • Replacement Hub and Brake Assembly for AL-KO 8490
  • Based on what information I could find about AL-KO 8490 hub and drums, it is rated for 3,500 pound axles, has a 5 on 4-1/2 bolt pattern, and is a 10 by 2-1/4 inch drum. If this is the case, we have several options for you. I have attached a link to all of our 10 by 2-1/4 inch, 5 on 4-1/2 hub and drum assemblies for 3,500 pound axles. I recommend the etrailer.com Hub and Drum Assembly # AKHD-545-35-K. This hub and drum uses # L68149 inner bearing and # L44649 outer bearings. If you can...
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  • How To Tell The Difference From Right and Left Electric Brake Assemblies
  • The right and left orientation is determined if you are standing behind the trailer looking towards the tow vehicle. The left side is the drivers side and the right side is the passengers side. Tthe shorter brake pad will always be in the front of the assembly and the longer brake pad on the rear of the assembly, the reason is that the shorter pad will contact the drum first to slow the trailer down and the larger pad will then contact the drum to finish stopping the trailer, so both...
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  • Can a Harbor Freight Boat Trailer with 4.80x8 Tires be Switched to 175/80-13 Trailer Tires
  • There are several things to consider when switching to larger tires and wheels on a trailer. First you need to consider the height difference. On a 4.80x8 trailer tire, you are looking at a diameter of about 16 inches. On a 13 inch, like # AM3S040, the diameter is 26 inches. That 8 inch difference means that the top of the tire will be 4 inches higher than your existing tires. You would need to remove the fenders, if equipped, for the tire to fit. You also have to consider width. A 4.80x8...
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  • Brake Controller and 7-Way Trailer Connector For 1995 Chevy C/K 1500
  • As a first step, you would need to select a brake controller. I would recommend the Tekonsha Prodigy P2, part # 90885. The P2 is extremely reliable and easy to use, which makes it one of our all-time best selling brake controllers. Most of the Chevy trucks of that era had a blue and an orange or red wire ran along the frame rail for installing the controller. At the rear of the vehicle, they usually terminate on the end of the drivers side frame rail or above the spare tire. In the engine...
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  • Replacement 12 x 2 Inch Electric Brakes for AxleTek Trailer Axle B12E-02 12-GG
  • Trailer brake assembly # AKEBRK-7L-SA is a 12 x 2 inch assembly with a 5-bolt mounting pattern for 5.2K to 7K axles so it will fit in place of your existing 12 inch brakes! This is the left hand assembly. The matching right hand assembly is # AKEBRK-7R-SA.
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  • Electric Trailer Brake Magnet Short Circuit Indicator on Brake Controller Comes On After Moving
  • You said you checked the brake magnets. When inspecting them did you notice if the windings inside the magnets are showing? If so this is most likely the reason that the short is showing up on the controller when the vehicle is moving. This would mean that the magnets would need to be replaced. If you are seeing the short condition after you have been towing for a bit then the problem most likely lies inside a magnet. Brake magnets work best when they are warm and, if there is a problem,...
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  • How to Determine the Capacity of a Trailer Axle
  • The trailer will have a plate or sticker on it that will list the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that will list the weight capacity. You can also tell the weight capacity of the axle by measuring the diameter of the axle. Here is a list that will show the axle weight capacity based on the axle diameter: Typical Axle Diameters Based on Axle Capacity 1,000-lb - 2,000-lb Axles:...
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  • Replacement Hub, Bearings, Races, and Seals for Trailer Hub with H-1377 Bearing
  • First, it does sound like, based on the measurement and information you have provided, that race # L68110, is correct since its outer diameter is 2.327 inches. This race is associated with bearing # L68149 which has an inner diameter of 1.378 inches and fits a number 84 spindle. On these spindles the diameter where the seal goes is 1.73 inches such as # R40484. The seal should be a tight fit. I once had a heck of a time pulling a hub off of a trailer that was held on by the seal only!...
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  • How to Determine Towing Capacity 2003 GMC Envoy 4-Wheel Drive with 6 Cylinder 4.3L Engine
  • According to the research I conducted, there were 4 different models of the 2003 GMC Envoy with 4-wheel drive. Both the SLE and SLT have a towing capacity of 5,200 pounds, 6,200 with weight distribution. The XL SLE and XL SLT models have a towing capacity of 4,800 pounds, 7,000 pounds when using weight distribution. All of the models seem to be rather capable vehicles. You should also be able to find the towing capacities of your specific vehicle in the owners manual. I have included...
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  • Trailer Brakes Do Not Lock Up and Show Low Voltage, What is the Right Voltage
  • I contacted our representative at Redline about the issue you are having with your trailer brakes and your 1996 Toyota 4Runner. He informed me that there should be 12 volts of power at the trailer brakes if the brake controller is putting out 12 volts. Start with your brake controller. Review the set-up instructions that came with your controller to make sure it adjusted correctly. Then, use a multimeter like part # BTMT15 to check the voltage on the blue output wire of the controller....
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  • How to Mount Stabilizer Jack, # TJ01RT, On a Trailer Frame: Welding or Bolt-On
  • You can mount the Stabilizer Jack, # TJ01RT, two ways. The best way is to have the jacks welded to the trailer frame by a qualified professional. The alternative is to mount the jacks using your own hardware. You will need to drill two holes into the bottom of the trailer frame for the mounting holes on the top of the jack. Grade 8 bolts are the strongest and you can get them at your local hardware store. The bolts can be inserted through the top of the frame down through the jack, or up...
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  • How to Replace Interior Ram Jack Rod and Nut # TJD-12000-RODNUT on 12000 Series Jacks
  • Good news! I was able to get a exploded diagram as well as a set of instructions on how to replace the rod and gears # TJD-12000-RODNUT in the # 12000 Series Ram Jacks made after 2012. I have attached them to this page for your convenience. Basically, you will not need to remove or cut the steel plate inside the top of the jack to do this. You will want to remove the cap, then the roll pin that holds the cross shaft into the leg, this will free up the smaller gear that will be removed...
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  • Adding Wiring for a Brake Controller on a 2017 Toyota Highlander
  • If your 2017 Toyota Highlander already has a 4-Way wiring harness installed near the rear bumper then the kit you are looking for is the Universal Installation Kit # ETBC7. This wiring harness will convert your 4-Way to a 4-Way and 7-Way so that you can tow a trailer that uses either of those harnesses. The installation is actually pretty easy. Just plug the # ETBC7 into your existing 4-Way, install the mounting bracket to your trailer hitch (you can use a No-Drill mounting bracket #...
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  • Adding a Brake Controller to a 2017 Ford Explorer XLT with factory Tow Package
  • If your trailer has electric brakes then I highly recommend using a brake controller to decrease stopping distances when towing and to reduce wear and tear on the 2017 Ford Explorer's brakes. Your Explorer with tow package should include a 7-Way trailer connector which is needed for electric brakes. But also check the glove box for a Ford brake controller harness which they may or may not have included. If you do have the factory brake controller harness then the amount of installation...
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  • Replacement Electric Drum Brakes and Drums for Sundowner Horse Trailer
  • We can help you select replacement electric drum brakes for your Sundowner horse trailer. You can usually find an axle's capacity on a sticker or plate on the axle itself. You'll naturally want to choose replacement drum brakes that match that capacity, as well as the diameter and width of the brakes currently on the trailer. Once you find the axle capacity you can then measure your brake drums for their size (please see the linked photo). I checked the Sundowner website but their specs...
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  • Amperage of Brake Magnets and Size of Wire Used To Connect 7-Way Trailer Plug To Electric Brakes
  • On each individual electric brake magnet the amperage draw would be 3.0 to 3.2 max amps at 12 to 13 volts on 7-inch brake magnets and 3.2 to 4.0 max amps at 12 to 13 volts on 10 and 12-inch brake magnets. The max amperage draw for the brake magnets on a single axle trailer (2 brakes) would be 6.3 to 6.8 max amps on a 7-inch brake system and 7.5 to 8.2 max amps on 10 and 12-inch brake system. The amps will be higher if using a tandem axle or triple axle trailer. I am including a link...
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