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Expert Answers about Ford F-350 Super Duty


  • No Brake Lights or Turn Signals on Factory Trailer Plug on 2019 Ford F-350 Super Duty
  • The fuses are always a good place to start in this situation, and since this is a new truck, I don't believe that the actual plug is going to be defective in this instance. The other thing I would recommend checking is the connection under the truck that connects the US car connector to the 7 way plug- make sure it is firmly connected and that there is no damage to any of the wiring (also check the ground). You'll want to make sure that the truck is on and you've tapped the brakes since...
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  • Does Air Need To Be Released To Uncouple Hitch Ball From Reese Goose Box
  • I spoke with Reese about the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter part # RP85FR and they informed me that you should not have to release any air from the bag to release the hitch ball. There are not any adjustments that can be made to the release cable but if you are having issues with the hitch ball releasing then you may want to add some hitch ball grease part # 58117 to the top of the ball and also be sure when you are uncoupling the trailer you are sitting...
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  • Troubleshooting Errors on 2019 F-350 Following 3rd Brake Light Logic Module Installation
  • Based on what you're describing it sounds like hyperflashing and errors related to LED lights. If you added an LED light along with the # PP20-702 it would explain that behavior. This is a fairly common issue with newer trucks. You can fix it by adding load resistors like # DI34ZR or using an adapter with built in resistors like # 20142 for a 7-way.
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  • Troubleshooting Weaker New Trailer Brakes Where Adjustment isn't Issue
  • What assemblies did you have in the hubs originally and what did you replace them with? Were the brakes you installed self adjusting or manual adjusting? Did you happen to install any new wiring that may have been a lighter gauge than 10? In general though, as long as you are able to get adequate braking power I wouldn't worry too much about the specific gain setting. If you are getting consistent strong braking power I wouldn't sweat it too much unless for some reason you need to increase...
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  • Is Uneven Shape of Trailair Pin Box Air Bag a Problem
  • Thank you for the photo of your TrailAir pin box's rubber air spring. The shape/position of the bag are not necessarily an issue. Just in case I do suggest that you check that your air bag is inflated to the correct pressure. There is a simple way to determine the correct pressure. Hitch your trailer and them slowly add pressure through the air bag's Schrader valve. Add pressure until the two black arrowheads on the yellow sticker on the shock are just visible. Please refer to the linked...
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  • Tips To Help Remove A Stuck Reese Pop-In Gooseneck Ball On A 2016 Ford F-350 Super Duty
  • While this is not a super common issue, this has happened before in the past and we do have a couple of solutions you can try to free up your stuck Curt Pop-In Ball for Factory Ford and Ram Underbed Gooseneck Hitches # C60601. If the hitch ball has been left inside your gooseneck hitch for more than 5 months, rust may have built up, which could be contributing to the ball not being able to be released. You will need to use some spray lubricant like WD-40 to help loosen up the hitch ball....
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  • Reverse Lights And Trailer Brake Lights Not Working On 2017 Ford F-350
  • For your 2017 Ford F-350 I recommend checking your ground wires first. Often times a loose, or corroded ground connection is the source of trouble. Check for corrosion in the connector where the bulbs connect back into the harness, also check to make sure the bulbs are not bad either. Also check the trailer/vehicle connectors for corrosion as well. The next thing to check for is blown fuses, check the number 84 fuse in the engine compartment. If the fuse is blown, simply replace the fuse...
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  • Determining The Correct Replacement Slide Out Motor For A 1999 National Sea View Motorhome
  • There unfortunately isn't a guide to tell us what slide out motor was used in your motorhome so you'll have to get to the motor and get a picture of it's serial numbers so that we can determine the correct replacement. With the slide extended out you'll be able to get under and see the motor attached to the room bar. You may have to unmount the motor in order to see the ID stickers (examples posted below). Before replacing it I recommend checking the power wire with a multimeter # PT89ZR...
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  • Troubleshooting No Power To Factory Wiring For Brake Controller Install on a 1999 Ford F-350
  • First you will want to check for the 30 amp maxi fuse located in position 28 of the power distribution box located under the hood of your 1999 Ford F-350 Super Duty. The box is located near the brake master cylinder on the drivers side. If it is missing or damaged replace with another 30 amp maxi fuse. That should get you power so that you can use the Plug-In Wiring Adapter # 3035-P with your Tekonsha Prodigy P3 Trailer Brake Controller # 90195. If you still do not have power you can...
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  • Troubleshooting Hydraulic Pump of Auto Leveling System on 2014 Heartland Bighorn
  • I reached out to my contact at Lippert who makes the hydraulic leveling unit on your 2014 Heartland Big Horn. They send the unit to the manufacturer with a 50 amp auto-reset circuit breaker. The manufacturer installs the wire, etc, so the gauge of wire may not be large enough for the system depending on the run, but that auto-reset breaker will also wear down with use and trip more easily as time goes on. This is likely what is happening, so I would start with the new breaker # PK54250. If...
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  • Chucking Issues After B&W Companion OEM Installed
  • There is going to be a bit of movement with the kingpin inside of the locking jaws on the B&W Companion OEM 5th Wheel Trailer Hitch part # BWRVK3370 as it does need to rotate while turning but there aren't any adjustments for this. That said, the B&W Companion is not really known for this therefore the issue you have could be in regards to the brake controller settings. I recommend you increase the braking gain on the controller which can help prevent the trailer from chucking. If the...
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  • Troubleshooting Motorhome 7-Way Trailer Connector
  • I recommend checking your fuses on your motorhome first. If your fuses are good, then use a circuit tester like # PTW2992 to test the wiring. I recommend checking right behind the 7-way first as sometimes that connection goes bad or the inside of the trailer connector itself. Next trace the wiring as needed to find where the power for each function broke down.
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  • Fixes For Rough Riding 5th Wheel Trailer If I Have EZ Flex Equalizer And Trailair Air Ride Pin BOx
  • If you consider your setup for your travel trailer as a complete system, you already have parts in place on your trailer's suspension, pin box, and airbags on your tow vehicle to help reduce road chatter and chucking. The last item in this system is the 5th wheel hitch itself. If this is something you wish to explore, I recommend going with a 5th wheel hitch with built-in cushioning like the Curt Q25 5th Wheel Trailer Hitch w/ R24 Slider - Dual Jaw - 24,000 lbs, part # C16566 Adapter...
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  • Troubleshooting Random Codes Popping Up on Lippert Ground Control 3.0
  • It sounds like you have a bad connection or connections on your Lippert Ground Control 3.0 # LC675817 system. It sounds like you've seen some of the codes and gone through some of the troubleshooting process aside from the connections and wiring so that's where you'll want to start. You can verify that the issue is electrical if you pop the plug off the top of each jack and you're able to manually extend and retract each jack just fine. Lippert has a few troubleshooting steps to take when...
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  • What Usually Causes Trailer Sway on Fifth Wheel Trailer
  • Trailer sway with a fifth wheel trailer is a lot more unusual than with a bumper pull trailer. I would suspect you actually have a broken suspension component that is allowing the movement to create the sway. I would recommend going over the suspension looking for anything damaged and replace as needed. I would recommend getting your trailer sitting level though as that will allow the tires to wear better and the brakes to function better.
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  • Curt 24K Fifth Wheel Hitch Grease
  • We've checked with Curt and in addition to graphite grease, you can use the LubriMatic Mini Grease Gun w/ Multi-Purpose Grease # L30132 - the added bonus is that this mini-grease gun will fit in most tool boxes and hard to reach spaces.
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  • Troubleshooting Trailer Running Light Circuit Not Active on 7-Way of 2022 Ford F-350
  • The Mighty Cord 5th Wheel Gooseneck Adapter part # A10-7007 that you referenced is a fit for the 2022 Ford F-350. Most likely the problem is on the boat trailer wiring connector and is just some corrosion on the pins of the trailer's 7-way. The problem would not be the Mighty Cord. Typically taking some sandpaper to the pins to clean them off fixes the problem. Otherwise you'd want to go over the wiring of the circuit on the trailer looking for any cuts or exposed wire and fix as needed....
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  • Troubleshooting Electric-over-Hydraulic Disc Brakes on RV Towed by 2015 Ford F-350 King Ranch
  • Trailer brake controllers that are to be used with a trailer that has electric-over-hydraulic (EOH) disc brakes must have that particular operating mode selected. Not all brake controllers work with EOH set-ups; many work only with electric drum brakes. If your factory controller is set to the correct operating mode for your EOH-disc trailer but does not activate the brakes, you can test to find the issue. Start at the truck 7-way connector and apply a tester like # PTW2993 to the pin...
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  • Troubleshooting Lippert Turning Point Pin Box Having Issues Getting Hitched To B&W Patriot
  • Since the wedge you have worked correctly the first time you connected your Lippert Turning Point Pin Box to your B&W Patriot 5th wheel hitch # BWRVK3200 then I would indeed go ahead and loosen/uninstall the wedge and reinstall it. You said you are using the correct wedge so I am assuming that you have the Lippert Turning Point Wedge # LC79UD, so you will want to make sure you have the wedge pointed the correct direction to best keep the king pin from rotating in the hitch, and will want...
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  • Troubleshooting Lippert Ground Control 3.0 LC675817 Middle and Rear Jacks Not Retracting
  • I would be happy to help. First I would double check that your Lippert Ground Control 3.0 # LC675817 controller is not in manual mode. The rear jacks can be operated in manual mode by selecting them but the middle jacks only work in auto-level mode. When I reached out to my contact at Lippert about this he said this is the issue 9 out of 10 times. If you check and find out you are not in manual mode and the middle and rear jacks will still not retract just let me know. I included a...
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