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Expert Answers about Jeep JL Wrangler


  • Can The Roadmaster Invisibrake Be Installed In The Rear Compartment Of A 2018 Jeep JL Wrangler
  • I spoke with Brad, one of our installers here that's done quite a few Invisbrake installs, and he stated that box under the front driver seat is tucked in further than you'd think so you'd have to purposefully kick it and it wouldn't be an accident. That being said, it is possible to mount the compressor box in the back of your Wrangler but you'll most likely need to get some additional 1/4" nylon vacuum line to go from the box to the brake booster in the engine compartment and also some...
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  • Will the Hollywood Racks SR1 Fit a 2018 Jeep JL Wrangler with 285/70-17 Spare Tire
  • Yes, the Hollywood Racks SR1 2-Bike Carrier part # HRSR1 will fit the 285/70-17 spare tire on your 2018 Jeep JL Wrangler as it works with tires up to 15" wide and the 285/70-17 spare tire you have is only 11.2" wide. The u-shaped bar you are referring to is adjustable from 7-3/4" to 13-1/2" which is what allows it to fit different width spare tires. For reference, I have attached a photo of this carrier used on a 265/70-17 spare tire which is only around an 1" smaller in width than your...
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  • Trailer Wiring For 2018 Jeep JL Wrangler
  • The Roadmaster Universal HyPower diode wiring kit part # RM-154 is different wiring than what you need for towing a trailer with the 2018 Jeep Wrangler JL. You will need a 4-pole flat wiring harness part # 118786 which will plug in behind the Jeep's tail lights. You will plug the trailer connector on the trailer into the 4-pole to power the lights. I have attached an installation video for your reference.
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  • Can Metal Skid Shield/Air Dam be Made to Fit with Front Hitch on a 2018 Jeep Wrangler Rubicon
  • I reached out both to Curt and Draw-Tite about the installation of their front mount hitches, parts # C31086 and # 65079 respectively, on your 2018 Jeep Wrangler Rubicon and I pretty much got the same answer from both of them. The plastic pieces are pretty easy to modify but the metal is a little more tricky. Since there would be a much more involved process getting it to fit right neither of them offer a way to do this. So what you're left with is either leaving the skid shield/air dam...
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  • Westin Silver Nerf Bar Fitment for a 2018 Jeep JL Wrangler
  • We do offer silver Westin nerf bars for your 2018 Jeep JL Wrangler! For this you'll need the Westin PRO TRAXX Oval Nerf Bars # 21-24050 which are 4" wide and have a polished stainless steel finish for a clean looking installation. Attached is a review video for you to check out.
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  • Towing MIrrors to Fit a 2018 Jeep Wrangler JL
  • Since you didn't like the # KS3891 mirrors your next best option is the CIPA # CM11980-2 mirrors. We did test these on a JK, as shown in the video and picture, but not the JL yet. You need about a 1 inch gap between the top of the mirror face in between the black plastic housing for these to work. The CIPA custom mirrors you asked about, part # CM11550, definitely will not fit your JL. They're specifically designed for Ford F-150's from 2015-2019.
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  • How To Lock the Thule Rapid Gutter Feet TH300R
  • Yes, the Thule One-Key System Lock Cylinders part # TH450400 will work with your Thule Rapid Gutter Feet part # TH65BJ and it will prevent them from being removed from the vehicle without the key.
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  • Best Trailer Wiring Harness for a 2018 Jeep JL Wrangler Rubicon
  • Yes, the T-One Vehicle Wiring Harness part # 118786 will work on all 2018 Jeep JL Wranglers with factory LED and incandescent lights. This is actually an updated harness that was made to replace the T-One Vehicle Wiring Harness part 118782 that had issues with certain packages. There will be no issues whatsoever using the T-One Vehicle Wiring Harness part # 118786 on your 2018 Jeep JL Wrangler Rubicon.
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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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  • Tire Pressure Sensors Compatible with the TST Tire Pressure Monitoring System
  • The Brass Tire Sensors for TST TPMS - Qty 2 # TST-507-RV-S2 and the Signal Booster for TST TPMS # TST-507-R will work well with your current monitor. Many people have done this and the monitor works well with the caps as well as the flow through sensors in whatever combination you desire.
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  • Are Spare Tire Bike Racks for 2018 Jeep JL Wrangler Made That Allow Back-Up Camera to Work
  • While you can certainly carry bikes with your 2018 Jeep JL Wrangler, there are no spare tire bike racks that will work with a back-up camera, so the best thing to do is use Draw-Tite Max-Frame Trailer Hitch # DT78MR and a hitch-mounted bike rack. When bikes are loaded they will block the view of the rear-view camera, of course, but you can remove the bike rack or there are racks available you can leave on and simply fold the upright mast down. For that I strongly recommend the Saris Freedom...
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  • 2018 Jeep JL Wrangler Complete Flat Tow Set-Up
  • Yes, # RM-676 and # RM-521453-5 are compatible with your 2018 Jeep JL Wrangler. Both the Roadmaster Universal Hy-Power Diode Wiring Kit # RM-152 & # RM-154 are compatible with your vehicle. However, if you already have a 4-way at the rear of your vehicle, you can use # RM-154 to plug in the premade 4-blade to run to the front of your vehicle, or if you do not have a 4-blade at the rear, you can use # RM-152 to add one. The braking system, the Demco SBS Stay-IN-Play DUO Supplemental...
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  • Length of Roadmaster Battery Charge Line Kit for Motorhomes
  • The Roadmaster Battery Charge Line for Motorhomes part # RM-156-75 is 30 feet long. It Includes 12-gauge wire, split wire loom, circuit breaker, and hardware
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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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  • Does Computer Have to be Flashed on 2018 Jeep Wrangler w/ Tow Package to Use Curt Echo
  • The computer will not have to be flashed on your 2018 Jeep Wrangler in order to use the Curt Echo Wireless Trailer Brake Controller # C51180. Since your Jeep already has the 7-way and is ready to go, you'll just need to plug in the Echo, set it up with the app and you're set! I have added a link below to a video review for you to check out as well if you'd like to take a look.
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  • Could Yakima OnRamp Clear Rear Spare of Jeep Wrangler
  • If the spare tire of your Jeep Wrangler Unlimited isn't a super wide off-road tire size there's a good chance the Yakima OnRamp part # Y36FR will fit past it without clearance issue as it has 9 inches from the center of it's hitch pin out to the nearest portion of the rack and we had a customer with a similar Jeep send us a picture of it fitting without issue.
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  • Will Hollywood Racks Sport Rider Bike Rack Clear Spare Tire on 2018 Jeep Wrangler JL
  • The Hollywood Racks Sport Rider SE2 2-Bike Rack # HR1450Z is 7-1/2 inches to the closest part of the rack so it will not clear your 2018 Jeep Wrangler JL's spare tire. In order to get this rack to clear the spare you will need to use an adapter, the Curt Hitch Extender for 2" Trailer Hitches - 14" Long # C45795. To secure the extender into your Jeep's hitch you will need either the Pin and Clip # PC3 or Anti-Rattle Trailer Hitch Receiver Lock # 63232. I have added a link to a video review...
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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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  • 6-Pin Socket That Works with the 6-Pin Bracket on a Blue Ox Base Plate Kit # BX1139
  • I tried looking up what 6-pin connector you have to try and see why it was not working with the Blue Ox Base Plate Kit # BX1139, but was not able to locate anything. Any 6-pin socket like what is included in the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 (included photo) should be able to work with that base plate kit. If you are unsure, you can send in a picture along with what 6-way you are using and I would be happy to take a look.
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  • Does Tekonsha 4-Pole Wiring Harness 118786 Fit 2018 Jeep JL Wrangler
  • Tekonsha's Fit Guide confirms wiring harness # 118786 as a fit for your 2018 Jeep JL Wrangler. You can double-check before ordering if you like by comparing the included photo that shows one of the harness' custom connectors to the connectors at your Wrangler's tail lights. Installation should take about an hour or less and you can refer to the linked wiring installation article and video for guidance. I recommend adding protective wire loom # 459075-1 to your install; this is sold by...
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