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Expert Answers about Camper Jacks


  • Replacing a Malfunctioning Electric Camper Jack
  • If the motor is working but there is no movement on the leg, this most likely needs to be replaced. Depending on the needed capacity, I recommend the etrailer.com Electric A-Frame Jack # EJ-3520-BBX. With a capacity of 3,500 pounds and 25 1/8 inches of lift, it is a good replacement for just about any jack. OK TO POST LIVE. CR
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  • Troubleshooting Happijac Camper Jacks Making Clicking Noise and Not Raising or Lowering
  • The clicking you described hearing on your Happijack 4150 System along with the fact that they aren't raising or lowering the camper might actually be the result of a weak power source. I first recommend simply checking to make sure that the battery being used is fully charged and that all your wiring is still secure. Check for any pinched or exposed areas of wire that need to be replaced and verify that your ground is securely attached to a clean bare metal surface. If everything looks...
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  • How To Raise Landing Gear On a 2017 Open Range Roamer 5TH Wheel With Electric Motor Not Working
  • On your 2017 Open Range Roamer 5TH Wheel camper you should have a Crank Handle # RVLG-HDL that will allow you to still operate the front landing gear Jacks # LG-1 manually. The connection for the Jacks is generally found inside the drivers side door for either the propane tank or battery depending on what model your camper is. If you do not have the manual crank you may be able to find one from another camper owner otherwise you will have to use a Bottle Jack # ALL620470 to raise the...
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  • Troubleshooting One Rear Jack Of HappiJac Truck Bed Camper Jacks LC736515-ELKIT Clicking
  • Sorry to hear that! First things first check that you're getting a full 12v (really 12.8v) from the battery to power your Happi Jac electric jacks # LC736515-ELKIT, which you can do with a multimeter # PT29ZR set to read dc volts. If you're not quite getting 12.8v you can run into clicking as there's not enough power for the motor. If you find you're getting enough power then test the connector for the motor in question to see if you're getting power to the connector. If you are then...
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  • What Does "Hall Power Short" Mean For Troubleshooting On Camper Touch Screen Panel?
  • The hall power short error you are seeing is describing an issue where one of the wires on your hall effect jack/actuator which measures travel is shorting to a ground circuit. This is most likely along the wire on your camper but it could also be caused by the jack/actuator or controller itself. As this is more of a complicated task to diagnose you might consider having the work completed at a service center especially if your camper is under warranty. You can also try changing out the...
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  • How to Manually Raise and Lower Jacks on Lippert Ground Control 3.0 with Faulty Control Module
  • Yes, you can either use a 3/8" drive ratchet and extension (no socket) at the top of the jack motor (A) or a 3/8" drive ratchet, ratchet extension and 5/16" socket at the bottom of the jack motor (B) to manually raise or lower the jacks. This feature is built in for situations exactly like yours so that the jacks can still be operated in the event of power failure under normal circumstances which means even with the trailer fully loaded. Basically, as long as your jacks were able to function...
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  • Troubleshooting HappiJac Wireless Remote Not Operating Truck Camper Jacks
  • It sounds like it may be the Circuit Board # LC733513 itself has gone bad. Your current circuit board is compatible with your Remote # LC723915. And I see you have the Remote Cable # LC149557 so it is safe to assume you have done all the proper troubleshooting and tried to operate the jacks with the remote connected. The new Circuit Board # LC733513 is an upgraded unit and will work with your same remote.
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  • Troubleshooting Out of Stroke Error on LCI Ground Control Auto Leveling System
  • The Out of Stroke error message on the Lippert Ground Control system, such as # LC358590 indicates the jack has extended as far as it will go and has maximized it's extension. To clear the error you can extend all of the jacks in the system at least 6 inches. Then press and hold the retract button until the jacks start to retract. All of the jacks should fully retract and the error should be cleared. You would then either need to move your camper to a more level location so your jacks...
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  • Lippert Electric A-Frame Trailer Jack 1817941 Stripped Threads on Screw/Nut
  • Thread damage to the screw/nut inside of a jack is usually a result of over extending the trailer jack. I'm not saying that is what happened to you but that is the cause of the majority of these situations. Is your jack still covered under warranty? If so then it may be able to be taken care of through a warranty claim. The screw/nut are not available as replacement parts. For a replacement jack I would use the Stromberg Carlson # JET-3755 electric jack that has 24" of lift rather than...
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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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  • Troubleshooting Trailer Jack That Won't Raise Up
  • If your electric jack, like part # EJ-3520-BBX, isn't able to raise your trailer then either your battery needs to be charged (which you ruled out), you have a bad ground, or something is going on with your trailer jack motor. Since you ruled out inadequate power the next step is to check your trailer ground to make sure it is securely connected to a clean, bare-metal surface. Sometimes the ground is on a wire while other times the jack grounds through the mounting hardware so you need...
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  • Lippert Smart Jack 643589 Retracts But Won't Extend
  • I spoke with my contact at Lippert Components and they have not yet heard of the issue you are having with the Lippert Smart Jack Electric Trailer Jack part # LC643589. However, the first thing you are going to want to do is test for power at the red wire just before it enters the jack. There should be 12 volts here but if there is not then you will need to check your battery to make sure it is fully charged. I would also make sure you have a suitable bare, clean metal ground. Please also...
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  • Troubleshooting Powered Trailer Jack that Doesn't Always Power Up and Down
  • Make sure the main ground wire on your trailer harness is connected to a clean metal surface of your trailer frame. It sounds like your jack has a weak ground and because of that it doesn't want to operate consistently. By improving the ground of your trailer harness the jack should start to function normally again.
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  • Lippert Ground Control Leveling System Shows ERROR, LF Jack
  • On the Lippert Ground Control 3.0 # LC358590 the error you are receiving indicates either a problem at the left front jack, a hall signal issue (open ground/short, or other malfunction) or an unexpected high amperage current stall (meaning the battery stopped providing power for some reason). To clear the error you can either fix what is causing the error such as a loose or damaged wiring harness, or follow this method: Extend all jacks at least 6 inches. Then press and hold the retract...
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  • Troubleshooting Ram 3,500 lb Trailer Tongue Jack Working Intermittently
  • I reached out to my contact at Ram and he said that their electric jacks, like part # EJ-3520-BBX, # EJ-3520-WBX, or # EJ-3527-BBX have one fuse and it is located on the black wire where it enters the housing. From what you described I believe your problem is a bad ground. These jacks ground through the mounting hardware so if the connection isn't solid and constant it can cause the issues you are having. What my contact recommended doing was taking some of the paint off of the trailer...
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  • Troubleshooting Rear Electric Stabilizing Jack That Won't Retract
  • The Lippert Components High-Speed Power Stabilizer Jack - Black Waterproof Switch Kit - 30" Lift # LC298707 that is extended can use a hand crank to manually retract the stabilizing legs. You can use the Replacement Manual Crank Handle for Lippert Components 5th Wheel RV Landing Gear # LC119226 to do this. It sounds like you have a power issue, so I recommend using a circuit tester like # PTW2993. If you have checked the motor and the switch, then it sounds like the motor has gone bad...
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  • Out Of Stroke Error on Lippert Ground Control 3.0
  • The Lippert Ground Control 3.0, # LC358590 does have a manual mode that lets you move each jack individually. The out of stroke error does not only mean the jack has reached it's maximum stroke but it can also indicate there was a high amp current stall. It also is the error that is will occur if one of the jacks is bent or damaged. You need to check these for damage as you may need to replace one or both. Please check all wiring and ensure there are no loose connections, frayed or damaged...
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  • Troubleshooting Electric Camper Tongue Trailer Jack that Just Clicks Instead of Raising or Lowering
  • Before you replace the jack make sure the jack is grounded properly to the frame of your trailer, also check to make sure the main ground of your trailer connector is attached to a clean metal surface. Also check to make sure the 12 volt battery you are using has a good charge as it sounds like the jack isn't able to get enough amperage to operate when under a load. The jack sounds like it's making the same sound a car starter will make when the battery is either dead or the battery terminals...
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  • What Causes The Lippert Ground Control 3.0 LC358590 To Have An Out Of Stroke Error?
  • I reached out to my contact at Lippert and on your Lippert Ground Control 3.0 Electric 5th Wheel RV Leveling System # LC358590 there is not a way to determine the specific jack that caused the out of stroke error. I will say that 99% of the time this error is not due to a part wearing out, but instead is typically due to the ground where the camper is parked not being level. If one jack has to extended multiple inches further that another then it will cause this error, and could be why...
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  • Troubleshooting a Electric Jack that will Extend but not Retract
  • It sounds like the switch in the jack is bad and should be replaced. Typically when an electric jack will go one direction but not the other its because the switch is broken. You might try checking all the fuses on the jack also. Since your trailer is brand new I would imagine there is some kind of warranty that would cover your jack. I would try contacting where you bought the trailer.
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