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Expert Answers about Trailer Fenders


  • Troubleshooting a Torsion Axle Trailer that is Rubbing the Fenders
  • If your tires are rubbing the fenders of your trailer that has 6,000 lb torsion axles it would seem that your trailer is overloaded. I would check to make sure you aren't overloading your trailer's capacities. Or it could be that you don't have proper trailer fender clearance and would need to raise the fenders on your trailer.
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  • Troubleshooting Tires That Touch The Fenders On A Triple Torsion Axle Trailer
  • If the wheels are getting caught up in the fenders then you could either add in a lift kit (depending on the specific torsion axles you have) or remove and raise the fenders. Depending on the age of the axles the inner cords could be worn and allowing the weight on the trailer to press further down, causing the wheels to touch the fenders. Remove the axles and switching to zero suspension would give you a terribly rough ride so you'll most likely be looking at moving the fenders or replacing...
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  • Troubleshooting Tires Rubbing Fenders on Towmaster Tilting Trailer
  • If the tires on your tilting Towmaster trailer are touching your fenders then there are a coupler of different things going on. Either your trailer is overloaded and is squatting, the tires on your trailer are larger than they should be, or your fenders simply need to be repositioned at a higher location. It may be possible to add a lift kit but that would change the angle of the tilt for your trailer bed. I can see if we have one for you if you can let me know what axle(s) you have and...
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  • Troubleshooting Trailer Running Light Circuit Not Working on Left Side Fender
  • Most likely a bad ground for the light assembly on that fender. Since it's an aluminum trailer make sure the ground wire of the light is ran back to the main ground wire of the trailer and you should see it start to work again.
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  • Cause of Tire to Fender Gap Different Between Sides of Trailer
  • There are a few possible reasons as to why you are experiencing some sag on just one side of your trailer. If the trailer is loaded, it might simply be a case of more weight being on one side of the trailer. This would also lead to the rough ride you are having lately. Simply redistribute some of your cargo to see if this levels out the two sides. I also recommend making sure that you are parked on completely level ground, as a slight incline can certainly lead to the measurement variation...
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  • Trailer Marker Lights Do Not Illuminate on the Fender Of Hallmark Trailer
  • I would begin by making sure each marker light has a good ground connection to a clean metal surface. Each light should be grounded to a rust-free, metal surface. If the ground is achieved through the metal base of the light, there may be corrosion or rust that has formed which is causing a bad ground. I would also recommend checking the power supply to the lights, you can do so with a circuit tester like part # PTW2993. You will want to inspect the wiring making sure there is not a short...
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  • Troubleshooting Sagging Suspension on 1990 Stratos Trailer
  • The usual minimum recommended clearance between the top of a trailer tire and the fender above it is 3 to 4 inches. Normal trailer suspension travel requires this much clearance. It is surprising that original OEM wheels and tires would provide for only 2-inches of clearance. By chance, were the fenders changed out? You could have worn sagging springs that can no longer suspend the trailer deck at the correct height. If the original springs are still on this trailer they could certainly...
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  • Troubleshooting Fender Mounted Trailer Clearance Lamps
  • It's hard to say without knowing which exact lamp you're dealing with, but I can give you some general tips that might help you.. Are you mounting the lamp to a plastic fender? If so, the lamp needs to be grounded to the trailer frame or metal that's attached to the trailer frame. Clearance lights will ground either via a separate ground wire ran to the trailer frame or via its mounting hardware being in direct contact with the trailer frame. If your lamp doesn't have a separate ground...
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  • Trailer Tires are Making Contact with Fenders and Wearing Out the Tires
  • A tires section width is pretty much finite meaning despite the width of the wheel the tire width will always be basically the same and will be wider than the wheel it is on. This is assuming that you are using a wheel width that is compatible with the tire size. For a 225/75-15 trailer tire it will fit a 15 x 6 to 15 x 7 wheel. Wheel width is not the overall width. It is measured from bead seat to bead seat where the tire sits. The overall width will be about 1 inch more. It is possible...
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  • Troubleshooting Trailer LED Light Burning Out When Not Connected To a Power Source
  • It sounds like you may have a short in the Junction Box # 38656 and the Breakaway Battery # 3802308. This is the only way I see power getting to the led light on your passenger fender without having it connected to anything. You will want to make sure this is the only battery on the trailer that would have power to power objects to determine if it was wired incorrectly.
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  • Is Trailer Wiring Problem a Ground Issue
  • I absolutely agree with you that what you are experiencing is a ground issue; moving it to a frame with a clean metal surface is going to resolve the issue in nearly every case. If it was a short you would still be having issues with lights not working as moving the ground wouldn't resolve that. A short means the voltage would not be getting to the lights and also possibly affecting other lights so you are right on that it is a ground issue. I have added a link to a help article on troubleshooting...
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  • Attaching Some Lights On Trailer Causing Other Lights To Stop Working
  • It sounds like there's a possibility you are overloading the circuit, and that could be causing the issue. Or there may be a short in the lights on the fender of your trailer, or in the taillight circuit which is attached to the brown wire on the wiring harness. You will want to make sure you are using the correct wire gauge when wiring the trailer. If possible, I recommend using the heavier gauge wire so that you are sure it can handle the load. The first thing I recommend is to test...
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  • Troubleshooting 4-Way Trailer Connector Wiring On a 2009 Triumph Rocket 3 Touring Motorcycle
  • I'm not sure why you are using Diodes # RM-792 and not a Converter # HM48925. The diodes are designed to have 2 inputs and a single output. These are commonly used on lights which can receive power from 2 different sources and you do not want power to back feed through the different sources. A converter is designed to connect to the tail light wiring on your 2009 Triumph Rocket 3 to have an input signal for the 4-way. It then uses power from your battery to send to the trailer lights which...
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  • Triple Axle Boat Trailer Suspension Clearance Problems After Installing New Front Springs
  • The first thing I would check on is the capacity of the new springs that you had installed on the trailer. You need to be sure that the spring capacity is rated at 1/2 the axle capacity. That way 2 springs equal the capacity of the trailer axle for proper fit. Check the arch of the springs with a level top of spring to top of spring to tie bolt. Next, check the suspension components on the trailer and make sure there is no damage. The Spring hangers, equalizers or shackle straps could...
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  • Fender Clearance Problem on a 3,500 Lbs Tandem Axle Trailer with Double Eye Springs
  • It sounds like you definitely need to make a change in the trailer suspension. Longer hangers may help but, if the springs are worn out, changing the hangers would not fix the real issue. Installing longer shackle straps would make the issue worse. Shorter shackle straps would not allow the suspension to work properly either. Check the shackle straps for wear, these are commonly the most worn parts on a trailer suspension, followed closely by the springs. If the holes in the shackle straps...
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  • Troubleshooting Rear End Sag On a 2022 Chevy Suburban With Weight Distribution Hitch
  • I do have one recommendation as there is no suspension enhancement for your 2022 Chevrolet Suburban. With the issues you are having it sounds like your Suburban doesn't have the weight distribution set up correctly for your Suburban. I have seen similar issues on vehicles that have air suspension systems. If your Suburban has the Four Corner Air Suspension System there is a particular way you need to set up the weight distribution. 1. Adjust the vehicle air suspension to "Normal Ground...
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  • Trailer Running Lights Not Functioning on Trailer Towed by 2006 Ford F250
  • The fuse and relay is located in the power distribution box located under the hood on the inside of the drivers side fender close to the firewall. Your owners manual should be able to give you the specific fuse location.
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  • 2008 Dodge Ram with No Outupt at 12-Volt Accessory Circuit on Trailer Connector
  • If the 12-volt power accessory feed on your trailer connector is not getting power, check for a blown fuse at the fuse box under the hood. The fuse box is located on the inside fender, on the drivers side. Remove the cover, and check the label on the underside. The label should list which fuse to check.
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  • Troubleshooting Function of Additional Trailer Side Marker/Signal Lights
  • The problem you're having with your new wiring could be related to the ground, especially since it sounds like you may have added more lights than were originally on the trailer. It often happens that weird behavior from trailer lights results from a loose, corroded or insufficient ground connection. First make sure that each individual light's ground is made to clean bare metal. Some lights like # TLL12RK use a wired ground (white wire with ring terminal) while others like # ST52AA ground...
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  • 12 Volt Fuse Location on a 2003 Chevy Silverado
  • That fuse is located in the power distribution box located under the hood, on the driver side inside fender. Please refer to your owner manual for more specifics.
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