Jeep jl second battery location

Then go ahead and add the top strap that holds it down to the all thread, then put the remaining nuts on, and tighten them; then go ahead and tighten the bottom nuts that you left loose earlier. Now install your secondary battery cables. You should only have two 1 gauge cables left. One black one and one read one.

Jeep jl second battery location. I am a little annoyed at the second battery in the JL. Two batteries makes sense, but to hide one underneath the other one doesn't. ... Location Colorado Vehicle(s) Wrangler JL Unlimited Sport S ... 1981 Jeep CJ-7, 1973 Jeep J2000 Gladiator Apr 24, 2018 #13 Torero said: The way they are connected in parallel, when one fails is going to take ...

Depending on power, size, and quality, prices for a replacement car battery range from about $45 to $250. Your local dealership, auto parts store or automotive service center can check your ...

Thanks - I just looked up the JL fuse box and wow, it's a biggie. Attached is a pdf for anyone's convenience. The fuse for the radio looks to be a typical "blade type" fuse, 20A in this case at location 'F97'. They refer to it as a "micro" on the attached document - I think most of us call it an "ATM" fuse (the larger are "ATO").How to delete the aux battery in JL and JTJun 11, 2022 ... Say Goodbye to Dead Batteries: Jeep Gladiator (and JL) Auxiliary Battery Bypass ... 2015 Jeep Wrangler Battery Replacement ... Jeep Wrangler New ...First Name Steven Joined Dec 20, 2020 Threads 8 Messages 417 Reaction score 656 Location Federal Way, WA Website aroundthenw.com Vehicle(s) 2018 WK2, 2001 XJ, 1993 YJ, 2021 JT EcoDieselOne has to figure what it takes to keep a COLD battery topped off (it takes a lot more than a basic charger when it's COLD) - you need over 14 volts and figure a small BatteryMinder at 1.5 amps to get the wattage needed, and the time needed. My Jeep runs 14.8-15.0 volts when it's cold to get the batteries charged or topped off.Are you having problems with your Jeep's auxiliary battery not providing enough power? If so, this Jeep aux battery bypass may be the solution for you.This J...I came to the forum and did the following based on other threads: replaced my battery with an Odyssey Performance Series (1 year ago), took everything else off my battery except main cables and a battery tender I use every night, unplugged anything from cigarette lighters and USB plugs. When running the battery is at 14.1 Volts according to the ...

Replacing the small battery can be a pain due to location. That said, I was pleasantly surprised that, on the Ecodiesel, there is a convenient trapdoor to access the smaller battery. ... Anyone who thinks it's a 15 minute job to replace both batteries in a JL either hasn't replaced the second ESS battery, or was operating on "beer time" when ...The Jeep Compass has a second battery located under the passenger seat, requiring specific tools such as a ratchet and extension, 10mm socket, and wrench to access it. Follow these steps to access the auxiliary battery: First, lift and remove the passenger seat to reveal the battery compartment. Use the ratchet and extension to …Smart alternators won't generate sufficient charge voltage under normal conditions. Battery capacity is reserved and charge is dumped to the battery during braking under alternator control. This is don't for fuel efficiency. To sufficiently charge a house battery a DC to DC converter needs to be used. Something like offered by Redarc or Sterling.Simply hook it up and forget it. No switches or fooling around trying to remember which battery is charging or needs charging. I have a dual battery setup to power my winch and the isolator keeps both batteries charged. If I run the second battery flat with the winch, the first battery will still start the Jeep. Good Luck, L.M.2018-2024 JL. 2007-2018 JK. 1997-2006 TJ. 1987-1995 YJ. 1976-1986 CJ7. ... Let's explore some of the options and characteristics you need to keep in mind when choosing that Jeep battery for underneath the hood. Contents. Deep-Cycle Battery vs. SLI Battery ... the isolator will continue to feed the second battery (deep-cycle) and prevent the ...Removing the second battery requires some rewiring, as the computer checks for and expects it to be there. The primary purpose of the second battery is to keep the computers stable during ESS events. The Intelligent Battery Sensor is a component of the Smart Charging System. The alternator is not a constant output type like in older …2018 JLUR 3.6 Auto 47k miles recently got stop/start unavailable service stop/start message. check engine light not on but Tazer was able to pull code P00FD. I have checked both main and aux battery voltage and both are 12.4 when Jeep is off. anyone Have any idea on what could this be? Jeep drives fine. No issue besides annoying "circle A" light.The battery in a BMW X5 is located under the spare tire in the center of the trunk. To find the battery, lift the carpet in the trunk, remove the spare tire, remove the three 13 mm...

In today’s technology-driven world, batteries play a crucial role in powering our devices, from smartphones and laptops to remote controls and toys. However, when these batteries r...Easily mount your radio in a Jeep JL or JT Gladiator without drilling or cutting! Watch this video for an install on a Jeep JL using the Rugged Radios Jeep J...We got out first Jeep Jl wrangler with a 2.0L turbo. I'll give you a first look at the 48v mild hybrid system and a test drive at the end.https://www.jeepinf...20770 posts · Joined 2013. #2 · May 11, 2021. A independent diode isolated deep cycle battery like used in tow behind trailers that can charge while driving and from solar sounds like what you want. Sent from my iPhone using Tapatalk. Like. Jerry Bransford. 50633 posts · Joined 2005. #3 · May 11, 2021.

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I tested my factory battery today in my new Jeep Wrangler Willy 2020. With the battery tester and our batteries are AGM @ 650 CCA. ... Location San Antonio, TX Vehicle(s) 2020 JL Willys 2 door Occupation Wandering Vaquero Aug 2, 2020 ... 07 grand cherokee and it crapped out in 3 years. so i swapped to interstate and had no problems with them ...With just 1 or 2 exceptions through the years, every such battery that I've had in service has provided no less than 6 years of practical service. E.g., as I type this post, the original battery in my 2015 Suzuki continues to reliably crank the engine, 8 years running. The Jeep's [original] main battery does the same, 3+ years on.May 22, 2023 · Learn how to install a new 12V auxiliary battery in a 2018 Jeep Wrangler. We’ll show you how to replace/change/remove with simple tips and tricks to help get... The main battery must charge the auto start stop battery while its parked. I know I could easily turn off the system and save my self the headache but if the above is true it would seem a simple switch cut off to the second battery would be a simple permanent bypass that would be easy to install.No JL has only one battery. You either have the auxiliary battery or the 48volt etorque battery IN ADDITION to the regular lead acid. ... Location K-ville, NC Vehicle(s) 2019 JLUR (Pain Train), 2022 2500 AT4 Occupation Avi Engineer Feb 25, 2021 #13 @DavidArmen is correct. ... But I assure you, if you have ESS, you have the …

JeepinJacob. • 1 yr. ago. Hey chrysler tech here it's a super common issue across all newer mopar vehicles that have the start/stop system. More often than not it's the auxiliary battery or the charging sensor that communicates between the batteries. If the auxiliary battery or main battery is depleting the start/stop system will disable so ...Went to replace the batteries in 2018 Jeep Wrangler Rubicon JL with the 2.0 liter engine and auto trans. and found out mine didn't have the second battery... Menu. News. Forums. New posts Trending Search forums Search Images. ... Location NH Vehicle(s) 2021 Jeep Wrangler Sport S 2 door Oct 10, 2021 #10 REW48 said:Is an electric car battery different from a typical car battery? Find out how an electric car battery differs from a typical car battery in this article. Advertisement A car can be...Disconnect the other cable's connection to the negative post on the main battery. This other cable's end is on the negative post of the Aux battery. Now, all calls for current from the Aux battery are rerouted to the main battery. Please don't engage ESS (I've read you won't) after this change.In addition to housing the compressor switch, breathers, and air chuck out of the way, the AAL remote kit adds a 12V plug for your fridge and a six-way ATC fuse block with a negative bus. This ...The Jeep Compass has a second battery located under the passenger seat, requiring specific tools such as a ratchet and extension, 10mm socket, and wrench to access it. Follow these steps to access the auxiliary battery: First, lift and remove the passenger seat to reveal the battery compartment. Use the ratchet and extension to …BSG utilizes the standard starter motor for cold starts and the Belt Start Generator for s/s events, and has a 48v secondary battery located on the inside of the driver's side frame rail next to the rear driveshaft. You could also peak under there. I have the 2.0 w/ BSG. Heres a pic of the 48v battery and its skid plate.2020 JL Willys 3.6/8 speed. Previous Jeeps; 2014 JK 2 dr, 2001 XJ 2 dr, 1990 Comanche, 1988 YJ Sahara. ... Bill Joined Nov 15, 2021 Threads 11 Messages 1,706 Reaction score 1,862 Location Cave Creek Arizona Vehicle(s) 2013 JKR, 2018 JLR Occupation Retired High level Management. ... Just curious is it the start stop function itself that kills ...Here is a snip from the Factory Service Manual.. Note, that the service manual says to first, Disconnect and Isolate the negative battery cable(s) . IMPORTANT--They are referring to the negative battery cables up top / in the engine compartment, on the Main battery! After doing that, you remove the 3 bolts from the supplemental battery …

Location Kings Langley Vehicle(s) Jeep JL 3door Yesterday at 10:57 PM. Thread starter #1 Help! I am based in the UK and looking to order online quickly a good replacement aux and main battery. ... Jeep JL aux and main battery replacement. Thread starter jr-323i; Start date Yesterday at 10:57 PM; Watchers 1; jr-323i Well-Known Member. First Name ...

It definitely fits/ is known to fit, in the JL/JT Main battery tray once the plastic stay is removed from the battery box. ... Location Michigan Vehicle(s) 2018 Jeep JL 4door Rubicon Occupation Retired U.S. Army 23 years Nov 29, 2023 #8In this video, you’ll get to see just how easy it is to replace the main battery AND what all you’ll need to do to replace the auxiliary one. We hope it helps you out. HOW TO Replace the Main and Auxiliary Battery on a Jeep JL Wrangler and JT Gladiator Truck. Watch on. Type S Jump Starter: https://amzn.to/31fyFRI.Gen 3 Dual Battery System. for 2018+ JL Wrangler with 3.6L & 2.0L Gas Engine. Genesis Offroad launched the first completely integrated, easy to install dual battery system for the Jeep Wrangler in 2013. Never satisfied with 'good enough', we have listened to customer feedback and refined our dual battery system to be even better suited to meet ...pismo61. 1st off you don't need to remove the fender to replace the AUXs battery, that is the hard way. All that needs to be done is remove a couple clips at the bottom of the plastic liner, lift up on the lines and remove the bolts holding the Aux battery in. In 5 minutes the Aux battery is out.Gen 3 Dual Battery System. for 2018+ JL Wrangler with 3.6L & 2.0L Gas Engine. Genesis Offroad launched the first completely integrated, easy to install dual battery system for the Jeep Wrangler in 2013. Never satisfied with 'good enough', we have listened to customer feedback and refined our dual battery system to be even better suited to meet ...First Name Robert Joined Apr 4, 2018 Threads 16 Messages 830 Reaction score 1,802 Location Sandpoint Idaho Website cmott426.wixsite.com Vehicle(s) 2013 F-150 Ecoboost 2018 2-door Rubicon 2013 Range Rover Evoque2018 Jeep Wrangler Unlimited Sport 4WD 2.0L missing Aux Battery. I started leasing the title jeep in 2018, planning to buy at the end of the lease. The Engine Stop/Start stopped working a long time ago with the battery charging message. I generally ignored it. Jump to now My battery has taken to not holding a charge and figured it may be a crap ...@Archie PJ - If you have ESS on that 2020 2.0 JLUR, I’m pretty sure you have an auxiliary battery. The aux battery is the power source for everything but the starter when ESS has the engine off at a light. Each battery should be load tested separately. What you’ve indicated is the aux battery might be discharged, loose connection or …Well, apparently all JL's have battery issues, thank you Jeep. We had problems with our JLU, replaced it with a JLURD. (Right now the JLU is having other JL issues - oil cooler, cam shaft, valves - about 1/2 of an engine swap). Since we got the JLURD, we then have virtually never used ESS - but still that little battery has caused headaches.

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The Jeep Compass has a second battery located under the passenger seat, requiring specific tools such as a ratchet and extension, 10mm socket, and wrench to access it. Follow these steps to access the auxiliary battery: First, lift and remove the passenger seat to reveal the battery compartment. Use the ratchet and extension to loosen the hold ...Step 8 - Seat the new dual batteries onto the tray. The Optima batteries installed with this kit fit perfectly in place on to the new dual tray. Put one battery in and slide it all the way back to the edge, and then place the second battery right up against the first. They should go in with no trouble at all. Figure 9.Kraxler. Below the main battery. If you remove the main battery you should have access to it. Thank you! You were right. It is located right underneath the main battery. Easy in and out. I had a bum main battery from the factory and it drained my aux. battery. I replaced the main battery and the jeep still would not crank.When it comes to finding the right battery for your device, you don’t want to waste time searching for the right store. Batteries Plus is a one-stop shop for all your battery needs...I took my 2021 JL w/3.6L w/start/stop in the dealer Monday morning because I had a dead battery issue and the Jeep would not start. ... to the dealer on my lunch break and get with the guy behind the counter and ask to see the mechanic that replaced my battery on the Jeep. The mechanic then tells me that my 2021 Jeep Wrangler Sport w/3.6L w ...Then go ahead and add the top strap that holds it down to the all thread, then put the remaining nuts on, and tighten them; then go ahead and tighten the bottom nuts that you left loose earlier. Now install your secondary battery cables. You should only have two 1 gauge cables left. One black one and one read one.JeepinJacob. • 1 yr. ago. Hey chrysler tech here it's a super common issue across all newer mopar vehicles that have the start/stop system. More often than not it's the auxiliary battery or the charging sensor that communicates between the batteries. If the auxiliary battery or main battery is depleting the start/stop system will disable so ...2019 Jeep Wrangler JL Rubicon Feb 18, 2022. ... Location Inland Empire Website www.instagram.com Vehicle(s) ... likely. If you have the e-torque you don't have the auxiliary battery. You have a 48v battery under your Jeep, toward the back. Something else you don't have if you have the e-torque...an alternator.Hey guys, first post on the forum. I picked up an '18 JLUR a couple of months ago with 24k on it. A couple times I noticed when I hit the start button, it wouldn't start, then it would after 2 or 3 tries. Well this morning it wouldn't crank at all after sitting about a week. So I checked...2018 JLUR 3.6 Auto 47k miles recently got stop/start unavailable service stop/start message. check engine light not on but Tazer was able to pull code P00FD. I have checked both main and aux battery voltage and both are 12.4 when Jeep is off. anyone Have any idea on what could this be? Jeep drives fine. No issue besides annoying "circle A" light. ….

Location Boston Vehicle(s) JL Wrangler Apr 16, 2019. Thread starter; Banned #1 ... AND, has provided the ability for his kit's second battery (full size unlike the ESS toy battery and sold seperately) to boost the crank battery in its efforts to get the 3.6L JL going. ...Have only seen the message for battery protection mode, but not starter protection. You said it shifted to auto park. ... The problem with the JL is that small problems can cause unrelated warning lights and codes to appear. Unfortunately there's not much you can do to see if any of the codes are legit. ... Location TX Vehicle(s) Jeep ...In this video, you’ll get to see just how easy it is to replace the main battery AND what all you’ll need to do to replace the auxiliary one. We hope it helps you out. HOW TO Replace the Main and Auxiliary Battery on a Jeep JL Wrangler and JT Gladiator Truck. Watch on. Type S Jump Starter: https://amzn.to/31fyFRI.Connects batteries together in parallel while driving, then separates them once the voltage drops below 12.7v to protect your cranking battery from getting drained by your accessories. Rated for 300 amps continuous current flow, and spikes of up 2500 amps for 10 seconds to handle anything you can throw at it.Location Ms Vehicle(s) 2018 jeep wrangler jl Dec 4, 2023. Thread starter #1 hey everyone! I was driving my jeep today and my jeep will not come out of second gear! It will just randomly shut off! Husband is really mad cause we keep having so many problems. ... The battery is brand new so after I hooked up the battery again cranked the Jeep ...Reviews. Questions and Answers. FAQ. Fitment. Shipping. Battery Info. Gen 3 Dual Battery System Overview. Watch on. Gen 3 Dual Battery System. for 2018+ JL …Did you know the 2018 Jeep JL Wrangler 3.6 has two batteries. I will show you where the Stop start battery is and how to disconnect Incase you need to make …In my testing I temporarily disconnected the negative cable leading from the ESS battery to the main battery's negative post and left it dangling. I attempted to cold crank the 3.6L and on first attempt it failed. But on second attempt it succeeded, turning on the ESS off light in the EVIC. Jeep jl second battery location, First Name Bert Joined Oct 22, 2017 Threads 17 Messages 186 Reaction score 195 Location Sacramento, CA Vehicle(s) 2018 JLUR - 2015 Ford Mustang - 2018 Volvo S90, Since you have a 2018 your JL will not start on second try like with the 2019-2021 JL... this is why your JL is dead in the water so to speak. ... Location Bellingham, WA Vehicle(s) 2023 Jeep Gladiator, 2018 Fiat 124 Spider ... fuse (N3) which isolates electronics from the main battery, so new main battery won't help. It also isolates the aux ..., Location Central Iowa Vehicle(s) '22 JTO, '23 JLUR, '82 SX4, '73 P. Cardin Javelin Mar 19, 2023 #2 ... In this picture, I am charging the aux battery on a 2020 Jeep. On a 2021 or later, the two black cables are switches around and the one with the larger end with the stud is the one that goes to the aux battery. ... 2018 Wrangler JL Sport S …, 19 Sport S JLU 3.6l with auto start stop. Start/stop is eliminated. Went to start Jeep this morning it was dead. Used my jump pack and it started. Got to the post office to drop a package off and as soon as I parked it shut off and needed to be jumped again. I put it in neutral at stops and kept..., Prior to getting my backseat issue resolved I had battery issues. The charging system was working and pushing out 14v but my battery(-ies) were not doing well. The mechanic mentioned the possibility of bad cells. So yesterday I had both batteries replaced. On the way home, I wanted to see how the battery health and charging were on the dash ..., Test & Guide! Pond's. 42.5K subscribers. Subscribed. 542. 87K views 3 years ago NORTH CAROLINA. In this video, I'm demonstrating how to replace BOTH batteries in a Jeep JL 2018 & up! There..., aldo90731. Jeep's OE battery rarely last more than 18 months; often less than 12. If your Jeep still had the original batteries, your issue could very likely be completely unrelated to it being towed. If I were you, I'd replace both the main and the auxiliary batteries and see if that takes care of the issue., Its time! A new battery is needed for the JL (3.6l engine). What is everyone's votes on the best battery to upgrade to for a Jeep that if used offroad often, has some aux lighting, and runs a winch when needed. Sub question: has anyone just removed the smaller aux battery under the fuse box. I have the ESS disabled via a …, Dec 8, 2020. #6. A dual battery DIY setup is an option. There is room behind the right rear wheel to attach a battery box to the frame. The Cole-Hersee Smart Isolator used by Genesis is available on Amazon for around $100. Warn has a cable kit available for around $200. A stainless steel battery box is about $125., Also, you can enter the "Enginnering Menu" and can do a factory reset and other things 1) Hold hot and cold physical buttons on the dash at the same time for 5 seconds when the car is running 2) Select "Reset to Factory Defaults" Oviously all settings, pairing, radio stations etc will be lost. EDIT: Word of warning, there's a risk of loosing Navigation., yes, it's just like a regular battery. I've popped mine out for trickle charge occasionally, and also replaced the OEM with an antigravity this spring. to be perfectly clear - there's no interaction with the 48V/mild hybrid system. we don't even have the annoying spare battery buried under the main 12V - I checked when I was wiring in trailer signal/lighting connections. empty space in that ..., I came to the forum and did the following based on other threads: replaced my battery with an Odyssey Performance Series (1 year ago), took everything else off my battery except main cables and a battery tender I use every night, unplugged anything from cigarette lighters and USB plugs. When running the battery is at 14.1 Volts according to the ..., It was my understanding that the second battery was mainly for ESS operations and ran your radio, fan, etc. I didn't know it ran the switches. Its odd that the AUX switches aren't available when the jeeps running though. ... Location S/w Florida Vehicle(s) 2018 Jeep Jl Rubicon May 9, 2019 #9 I just can’t take a chance with the toy battery and ..., That being said, if one has a good main battery and does the aux battery delete, the occasional ESS actuation should not be a issue. 2022 JT Gladiator Rubicon 3.6L. 2021 JT Gladiator Willys 3.6L (SOLD) 2020 JT Gladiator Rubicon 3.6L (SOLD), Location Norway Vehicle(s) Jeep JL 2.2D Today at 8:11 AM. Thread starter #3 1Evil55 said: eliminating that worthless piece of battery would be your best solution. ... (Many other model/brand vehicles run ESS off one battery, but few vehicles are as likely to have aftermarket current drawing appliances like a Wrangler with (most JL models) its ..., Learn how to install a new 12V battery in a Jeep Wrangler and Gladiator. We'll show you how to replace/change/remove with simple tips and tricks to help get ..., Thanks for the input! At first when this happened and I came back to a dead auxillary battery, I figured that I could drive without it. At some point the main battery went dead after that. When I asked at the dealership whether driving with a dead aux battery could drain the main, they said that it was a possibility., Gen 3 Dual Battery System. for 2018+ JL Wrangler with 3.6L & 2.0L Gas Engine. Genesis Offroad launched the first completely integrated, easy to install dual battery system for the Jeep Wrangler in 2013. Never satisfied with 'good enough', we have listened to customer feedback and refined our dual battery system to be even better suited to meet ..., Gen 3 Dual Battery System. for 2018+ JL Wrangler with 3.6L & 2.0L Gas Engine. Genesis Offroad launched the first completely integrated, easy to install dual battery system for the Jeep Wrangler in 2013. Never satisfied with 'good enough', we have listened to customer feedback and refined our dual battery system to be even better suited to meet ..., Location Seattle Vehicle(s) 2018 Jeep JL Rubicon Jan 18, 2022 ... I can leave the AG battery for a couple weeks without driving and it fires right up. The wireless built in jump start is awesome in case it ever dies. ... I'm thinking about buying the 80Ah Antigravity 94R battery for my Jeep Gladiator, instead of adding a second batter to run my ..., This video shows our Gen 2 dual battery system. If you are installing one of our new Gen 3 systems, please see this video - https://youtu.be/PZXSOqsVljQHow t..., Given that JL is only 4-5 years old, most owners have replaced their batteries only once. My hunch is that FCA uses cheap batteries. Once we replace the OE batteries with something half competent, most of these battery issues should fade away. 2023 Jeep Gladiator Rubicon + 2018 Fiat 124 Spider Abarth., 3 different ways to get to the Auxiliary Battery on the JL Wranglers….taking out the fuse box/power distribution center, removing the fender liner or removin..., I’m in the process of changing my batteries due to them always dying. May anyone help me by identifying the main battery & aux battery size for a 2019 Jeep Wrangler Unlimited Sahara JL engine size is 3.6L. Your I appreciate anyone’s help., this is the easy way to swap your battery. Lots of folks dont knowabout this hidden battery., The jeeps have two batteries present inside their hood. The two batteries are connected to the car by all means but serve differently. The system designates one battery for cranking, and the other battery for the accessories. One of the two batteries is the primary battery. This battery serves the purpose of cranking the truck., 2018 JL Unlimited Sport S/ 3.6L, 8 speed auto Quadratec QRC bumper/ Smittybilt X2O 10K winch/ synthetic rope Rubi sliders/ Mopar lift/ RK isolators/ Rubicon Express track bars/ Metalcloak LCA's/ Fox steering stabilizer Rigid D-SS Spots, D-SS Drivers AT-6666/ Sirio 5000/ AT-778UV/ Comet 2X4SR 33" BFG KO2's/ Hawk Talon LTS brakes, There are a few methods to delete the aux battery. My plan is to remove the aux battery the connect it's pos terminal to the main and just tape up the aux's negative terminal. From what I've read that's the best way for my 2018 JL. 2018 JLUR, Firecracker Red., jawest12. 752 posts · Joined 2014. #2 · Nov 15, 2020. No. You have a large 48 volt battery under the jeep on the driver's side. Opposite the gas tank. Sent from my SM-G975U using Tapatalk. My '18 JL Turbo Build. My '17 Big Bear Build - Sold., Jul 18, 2019 · 2018+ JL BATTERY DISCONNECT FOR BOTH BATTERIES When servicing the 2018+ Jeep JL 3.6, BOTH batteries must be disconnected. The primary battery terminals will still be hot unless this procedure is followed. First disconnect the ground on the primary battery Then disconnect the 3 ground wires on the fender. G-07.18.2019 , The newest Jeep Wrangler is also the first of its name to feature the automaker's 48-volt mild hybrid system. This eTorque setup boasts improved torque and a..., Not sure if they did it by mistake of the new parts just become a smaller battery. The Jeep didn't come with the trailer/tow package, so it should be the default OEM battery ... Well-Known Member. Joined Dec 31, 2017 Threads 1 Messages 267 Reaction score 195 Location usa Vehicle(s) Red Rubi JL Unlimited Aug 10, 2021 #2 2018 JLUR, 3.6L, V6, 24V ..., Apr 20, 2018 · Did you know the 2018 Jeep JL Wrangler 3.6 has two batteries. I will show you where the Stop start battery is and how to disconnect Incase you need to make ...