Troubleshooting Sporadic Operation of Ram 3500 Electric Trailer Jack

Question

Question:

Ram 3500 series, polarity problem. Wires have good ground. Up and down switch reverses every now and then. Never know which direction foot will travel. Hooked to battery, mounted on tongue.

asked by: S

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Expert Reply:

If all the wiring on your electric jack is in good condition, and there doesn't seem to be a ground issue, it is likely you simply need to replace the switch itself. For your Ram 3500 Series Jack, the correct replacement switch is part # EJ-3520-PSW. This will hopefully resolve the intermittent issues you are having when operating the jack's movement.

expert reply by: Chris R

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Answer 1

If you check out the picture I attached you can see how the wires of the Ram jack switch #EJ-3520-PSW are supposed to be ran to it.

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Answer 2

For a Ram 3,500 lb jack we have the replacement Light Switch #EJ-3520-LSW and Power Switch #EJ-3520-PSW. If you remove the cover you should be able to then pop the switches out of the head to replace them. There should also be the blade-style…

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Answer 3

For your RAM tongue jack, you can use the Replacement Power Switch for RAM Electric Trailer Jack with Footplate #EJ-3520-PSW.

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Answer 4

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 5

From what I could find it looks like your 122R (red) and 122Y (amber) lights measure 3.75" x 1.70" x .81". We don't have any replacement lense directly for the GLO-BRITE lights but we do have some similar lights that you could use…

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Answer 6

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 7

Seal 171255UC has an inner diameter of 1.719 inches and outer diameter of 2.565 inches. A seal that has those dimensions would actually be #58846. I've added a link to a video review of this seal for you to take a look at.

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Answer 8

The 7290 that you see is a casting number. It is found on AL-KO hubs that fit #99 spindles. I found that the bearings used are #28580 which would be the inner bearing and #25580 which would be the outer bearing. For the seal use #91030.

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Answer 9

If you are installing just the Firestone Ride-Rite kit, #F2400, and not also adding an on-board air compressor such as #F2158, then I would estimate that it should take about 2 hours to install the kit. That is for someone with some mechanical…

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Answer 10

If you are needing the hub and drum assembly then you will want to go with the Dexter Trailer Hub and Drum Assembly #8-201-5UC3-EZ but if you are just looking for an idler hub then you will want part #8-213-5UC1 instead. These come with the correct…

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Answer 11

Thank you for purchasing from etrailer! You did a great job selecting compatible parts. When using Leaf Springs #e64SR with the #AP233 Equalizer Kit and the #H248 Hanger Kit, there should be 29-1/2" between the front and center hangers and…

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Answer 12

For the LCI52-SB-86.5-68.5, the two ending measurements are: 1st - measurement from hub to hub, meaning the length of the axle in this case is 86.5 inches. 2nd - spring seat dimension where they're welded, meaning the spring seats are 68.5 inches…

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Troubleshooting Sporadic Operation of Ram 3500 Electric Trailer Jack

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