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Expert Answers about Jeep JL Wrangler


  • Recommended Replacement Trailer Jack Wheel That Has A Rubber Tire
  • It sounds like you're looking for something like the: -Replacement Wheel for Brophy Heavy-Duty Cable Camper Jacks # 1206. This tire has a 1/2" diameter hole, is 1-1/2" wide, 6" in diameter, and has a rubber tire like you're looking for. If you need anything else please feel free to let us know and we'd be happy to help.
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  • Brake Controller 12V Input Switch on 2018 Jeep Wrangler JL
  • The Tekonsha Prodigy P3 # 90195 only needs to see a 12V power coming from switch activation. It has an internal inertia-based sensor that will sense the braking effort and relay that to the trailer. The Roadmaster Stop Light Switch # RM-751490 is an option that can be used due to the location of the brake switch wiring on your 2018 Jeep Wrangler JL. It also won't require you to tap into the hard to reach circuit but instead you will run one wire a 12V positive and the 2nd wire to the...
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  • Blue Ox Compatible Base Plate for a 2018 JL Jeep Unlimited
  • Since you have a Blue Ox tow bar, the best base plate for your 2018 Jeep JL Unlimited Sport is going to be the Blue Ox Base Plate Kit item # BX1139. This kit works if you have the factory steel or plastic bumper. I have linked an installation video below so you can understand the process. If you have an Off-Road bumper - with 7/8 inch D-Ring bumper mounts you will need the item # BX88357. If your Off-Road Bumper has 1 inch D-Ring bumper mounts you will need the item # BX88358. For a...
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  • Towing Lights that Bypass the Tow Vehicle's Wiring and Are NOT Magnetic
  • If you don't want to tap into your 2018 Jeep JL Wrangler's wiring to tow and your top does not have any metal for our magnetic lights, then we have one other option available for you, the Demco LED Light Bar for Towed Vehicles w/ Wireless Transmitter # DM36MV. This light bar uses suction cup to attach to the roof or trunk and has a secondary connection by straps. This may work for your soft top, but I would suggest finding something with a suction cup on your roof first to test how well...
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  • Parts Needed to Add 7-Way to 2018 Jeep JL Wrangler
  • We can get your 2018 Jeep JL Wrangler set up with a 7-way, and there are a couple of parts needed, as the only way to add the 7-way is by hardwiring one in. You do have the first part that is required, which is the 4-way, the Curt T-Connector Vehicle Wiring Harness # C56407. Then, in order to add the 7-way connector, circuit breakers and rest of the hardware needed for installation you will need the following part: - Universal Installation Kit for Trailer Brake Controller # ETBC7 This...
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  • Troubleshooting Lights Not Working on 2018 Jeep Wrangler After Diode Installation
  • Based on the fact you're adding the InvisiBrake # RM-8700, I believe you have one of the Curt tow bar wiring harnesses and you aren't actually referring to a trailer wiring harness or trailer lights. More than likely the problem is the diode installation. Double check the diodes and make sure the connections are correct. This is the only thing I know of that would cause the lights to stop working. It wouldn't hurt to double check the rest of the installation just to be sure.
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  • Mounting the MORryde Trail Kitchen with Stove Tray to Goose Gear Platform System
  • The MORryde Trail Kitchen with Stove Tray for Jeep Wrangler or Wrangler Unlimited, # MR73QR can be installed either using a no-drill plate or by drilling holes in a set pattern through the floor of the Jeep. If you are willing to drill needed holes in the Goose Gear Platform System then you will be able to use it for installation of the MORryde Trail Kitchen with Stove Tray for Jeep Wrangler or Wrangler Unlimited, # MR73QR. Please note the installation instructions linked below along...
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  • Recommended Blue Ox Base Plate Kit for a 2018 Jeep Wrangler
  • There are a couple of different options for base plate kits that are compatible with your Blue Ox Ascent Tow Bar item # BX4370 depending on whether or not your 2018 Jeep Wrangler is a JL or JK model. For a Jeep Wrangler JL you will want the Blue Ox Base Plate Kit item # BX1139 For a Jeep Wrangler JK you will want the Blue Ox Base Plate Kit item # BX1134 If your Jeep has an offroad bumper with D-Rings that is rated for flat towing, you will need either the 7/8" D-Rings item # BX88357...
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  • Could Hollywood Racks E-Bike Rack Fit 2018 Jeep JL Wrangler
  • Probably not but you'd need to take one measurement. Measure from the center of the hitch pin hole on your Jeep Hitch out to the furthest point on the rear spare. If that measurement is less than 7-1/2 inches the Hollywood Racks E-Bike Rack # HLY74FR would fit without interference.
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  • Will the Apex Swing XT Fit with Spare Tire on a 2018 Jeep JL Wrangler
  • The Thule Apex Swing XT # TH9027XT will allow you access to your rear hatch area provided that it can fit past the spare tire on your 2018 Jeep JL Wrangler. To determine if it is a fit simply take a measurement from the center of your hitch pin hole to the farthest part of your spare tire. As long as that is less than 7.3" then it will fit and work great! If you don't already have a trailer hitch then the Draw-Tite Max-Frame Trailer Hitch Receiver # DT78MR is an excellent option for you!
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  • Does LED Indicator Light of SMI Air Force One Light Up When Vehicle isn't Connected
  • The LED notification strip that typically attaches to the rearview mirror of the vehicle being flat towed will not always light up when the vehicle brakes are applied. It would have to be connected to the tow vehicle. I attached a diagram for how it wires up as well.
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  • Recommended Auxiliary LED Indicator Lights for Curt Cargo Carriers and Bike Racks
  • It sounds like you're looking for the Curt Auxiliary LED Indicator Lights, which are available with part # C53201. These can be used on the back of Curt cargo carriers or bike racks. I've linked a review video of these, as well.
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  • Installing SMI Stay-in-Play DUO Braking System SM99251 in 2018 Jeep Wrangler JL
  • My contact at SMI advised that the Stay-in-Play DUO Supplemental Braking System # SM99251 that you currently have installed in your 2006 Jeep TJ can be installed in the 2018 Jeep JL Wrangler by cutting the JL's 8mm hard plastic line and installing the SMI 3/8-inch vacuum hose. SMI recommends also using a worm clamp for a secure connection.
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  • Does Muffler Need to be Lowered to Install Curt Trailer Hitch on a 2018 Jeep JL Wrangler
  • According to the installation instructions for the Curt Trailer Hitch Receiver # 13432 they say that you need to detach the muffler from the hanger to ease the installation. We have had some customers install it on their 2018 JL Wranglers though and say that the install time was very minimal so you may be able to install it without messing with the muffler like what we show in the linked install video on a 2018 JK. If you do happen to have to lower your exhaust it actually isn't very difficult....
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  • Parts Needed To Flat-Tow a 2020 Jeep JL Wrangler
  • In order to flat-tow a 2020 Jeep JL Wrangler you'll need base plates, tow bar, safety cables, wiring harness, and braking system. I have attached my recommendations for each of these below. etrailer Invisible Base Plate Kit part # e98948 etrailer SD Non-Binding Tow Bar part # e34ZR Blue Ox Patriot Portable Braking System part # BLU37TR Roadmaster 12 Volt Outlet Kit part # RM-9332 Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit part # RM-15267
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  • Recommended Curt Trailer Hitch for 2018 Jeep JL Wrangler Sport
  • You can install the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118786 on your 2018 Jeep JL Wrangler Sport so long as the flat tow wiring kit you used does not connect behind the tail lights, which you will need in order to install Harness # 118786. The diodes themselves will not be an issue as they are essentially just a gateway. A trailer hitch is also compatible with a flat tow set up and since you mentioned a Curt hitch I strongly recommend the Curt Trailer Hitch...
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  • Troubleshooting No Trailer Turn/Stop Lights When Connected to 2018 Jeep JL Wrangler
  • Since there are no pins for where the F107 and F109 fuses would install it makes me wonder if maybe a dealer installed an aftermarket wiring harness like the Curt # C56407 which doesn't require those fuses to operate. This kind of wiring kit tees in behind the tail lights and then draws power for the trailer lights directly from the battery on your 2018 Jeep JL Wrangler. With that being said, since you said you don't have those lights working on your trailer the first thing to do is to...
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  • How To Carry Two Kayaks On a 2018 Jeep JL Wrangler Unlimited
  • In order to carry two kayaks on a 2018 Jeep JL Wrangler Unlimited you'll need a roof rack, the Thule SquareBar Crossbar System part # TH712500 and part # TH65BJ is what I recommend. The roof rack will allow you to properly distribute the weight of the kayaks on the roof. In order to secure the kayaks you'll need to do so on their side with a j-style carrier. I recommend the etrailer J-Style Kayak Carrier part # e98878 which comes with everything you need including tie-downs. In order to...
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  • Which Wires Are the Diodes Installed on for the Tail Lights on a 2018 Jeep Wrangler JL
  • I can confirm when installing the Roadmaster Universal Hy-Power Diode Kit # RM-154 on a 2018 Jeep Wrangler JL that the tail light wire on the driver's side is white and grey, and the tail light wire on the passenger side is white and orange. These will be the wires you'll use to connect the diodes on the kit to. I've also linked an installation video of this wiring kit on a similar Wrangler JL for you to use as a reference.
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  • Troubleshooting Trailer Running Lights That Don't Work Like They Should
  • I do have ideas, which is that you almost certainly have an issue with a poor ground. I'm not 100% sure what you meant by "I then took the ground wire from the back of the Jeep and scraped the frame bottom" but you need to make sure your grounds are attached to bare metal surfaces and free of any paint, dirt or corrosion. Is that what you meant by scraping? If so, I'd go over it again and really give it a good, thorough cleaning. If that doesn't resolve the problem, you will want to check...
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