Jeep jl second battery location

2021 Jeep Wrangler JL 3.6 (no etorque) My auto start stop and aux switches have quit working so I'm assuming the aux battery is bad. I've seen posts about pulling the F42 fuse and removing the aux battery negative to isolate the aux battery and avoid killing the main battery. My problem is that I'm missing that F42 fuse and the fuse terminals.

And with the 4xe, there is no aux battery, yet the main battery goes bad just as often as with a gasser or diesel Jeep. "It's the batteries, stupid" to coin a phrase. Even other car owners complain about short battery life - parasitic drains while the vehicle sits, short or infrequent driving = battery life shortened.The eTorque motor-generator charges the 48v battery. Battery #2: 12v AUX battery, mounted under the fuse box - power control module in the engine compartment, passenger side, against firewall. Function: Supply 12v to accessories, lights and ventilation fan during ESS events.Disconnected battery to change the dash out. When trying to reconnect, the neg side is sparking when I try to connect it. ... i thought I somehow fried my jeep (everything is working fine). caleb_m00re Well-Known Member. First Name Caleb ... Location Iowa Vehicle(s) 2018 JLU, 2019 KL, 2020 JT Dec 3, 2020 #13 HoundDude said:Remove Cables - How to disconnect the cables the right way. 6. Clean Cables - Clean with baking soda, water and a wire brush. 7. New Battery - Install new battery and prevent corrosion. 8. Secure Battery - Replace the bracket to secure the new battery. 9. Replace Cover - Ensure the cover is put back properly.Also to have a separate battery to run all the accessories connected in the Jeep and isolated from the main cranking battery. I don’t like the fact of needing to redo all the wiring for lights, etc.. to run them under the rear seat to the Gen 3 hub distribution block seems like a pain.A DC to DC inverter seems ok for charging a battery at the rear of the truck since that battery will never charge the same as up front using an isolator due to the long cable lengths and loss to the rear. Slight problem is the DC converter is not 100% efficient and will take more power to charge the battery than the battery gets during charging.First Name Jenne Joined Feb 9, 2018 Threads 20 Messages 1,546 Reaction score 3,398 Location Florida Vehicle(s) 2021 Jeep 392, 2020 Jeep JL Rubicon, Raptor

Having done this, given that you have a 2020, you can attempt to crank. Expect it to fail (because no current is seen on the Aux battery which you've taken out of commission with the cable removal.) But, and this is important, the second attempt at cranking should then cause the vehicle to try using solely the main battery to crank.Edit: I probably should have expressed ways to determine if owners have a dual AGM battery JL. It's my understanding that those JLs that don't (e.g. Etorq, 4xe) won't have a Fuse 42 plugged into the #42 slot, and only one factory cable on the main battery's negative terminal.I just wanted to know, if my battery voltage is normal? In the morning (1st start up, voltage is 13.5v-14.5v) As im driving it dips to 12.5v-12.7v. ... Location Canada Website litwphoto.com Vehicle(s) 2019 Wrangler Unlimited Sahara Build Thread Link Occupation ... 2018 Jeep Wrangler JL Sport S Unlimited May 17, 2023 #6 JLsport2019 …Timing fob battery replacement to maximize its life, while not getting stranded with a dead battery, as you probably realize, leaves little room for such "stranded" notions with the JL's design. Worst case, with a dead battery, you open your JL with the physial key, endure the alarm going off for a second when you open the door, and press the ...Aux battery issue, need second opinion. ... Location Salt Lake City Vehicle(s) 2018 JL Rubicon, 2014 Ford Raptor ... ‘18 2 Door Jeep JL Sport S / 2021 JLURSo either your install is incorrect, or something connected to your aux battery is drawing down the power. I would let it sit and check it daily with a voltmeter. The voltage should not be dropping. The charging issue should be the opposite. When the starter battery gets above 12.7 the batteries should be connected and both have the same voltage.Jun 23, 2020 · Location DFW Vehicle(s) 2020 Jeep Wrangler Unlimited Rubicon, 2000 Jeep Wrangler Sahara Jun 23, 2020. Thread starter #1 ... Does every JL have the second, smaller ...

First Name Bill Joined Jul 22, 2019 Threads 31 Messages 5,314 Reaction score 5,582 Location North Las Vegas, NV Vehicle(s) 2023 Gladiator High Altitude - 2013 Nissan Leaf SVNegative Terminal Location: Top Left FrontReserve Capacity: 140minBCI Group Size: 94RTerminal Type: SAE - Type AHeight: 7.5inCold Cranking Amperage: 850A ... 2020 Jeep Wrangler Battery Size The OEM 2020 Wrangler battery is Group Size 94R, but the Wrangler will also accommodate Group Size 48 batteries. Dimensions are one thing, but you also need ...2021 Jeep JL Battery and ESS Issues. Thread starter 78ygbsm; Start date Sep 26, 2023; Watchers 3; 1; 2; Next. 1 of 2 Go to page. Go. Next Last. 78ygbsm Member. First Name VHC Joined Aug 16, 2023 Threads 2 Messages 10 Reaction score 1 Location Oahu Hawaii Vehicle(s) 1968 Camaro, 2024 BMW M4, 2021 Jeep JL Rubicon ... and found out i didnt have ...We disconnected the battery on a 2018 jeep Rubicon JL today. The vehicle had a complete power after the battery was disconnected. We tried grounding the positive and negative terminals together but nothing changed. We chased around and found that there was a second battery or secondary power unit below the fuse box.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.Replacing your Jeep Auxiliary Battery. Sponsored . Reactions: MikeInMo, Flhryder, mog and 5 others. ShadowsPapa Well-Known Member. First Name Bill Joined Oct 12, 2019 Threads 180 Messages 29,608 Reaction score 35,219 Location Runnells, Iowa Vehicle(s) '22 JTO, '23 JLU, '82 SX4, '73 P. Cardin Javelin Occupation Retired auto mechanic, frmr gov't ...

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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 ...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 jeep wrangler jl Feb 20, 2023 #11 ... Extra battery weight located low and center of the vehicle; ... This kit's second battery and power hub just consume way too much interior space. I do appreciate the detailed explanation in this thread but the design is a show stopper for me. Instead, I'll go without dual batteries and run a ...The wiring would be easy, due to the proximity of the batteries. It is always good to do the second battery with an isolator, that way you don't drain both down and get stuck somewhere. I have always used a second battery for every elect assy I add, and when I add a winch, I also change the alternator to a higher output alternator, the draw ...This holds the battery's charge and converts 48 volts to 12 volts so that power can be use to power Jeep Wrangler's accessories and charge its conventional 12-volt lead-acid battery. About the size of a small suitcase, the air-cooled battery pack is mounted to the interior rear wall of Jeep Wrangler's cabin.

WK2 - New battery type and location. An AGM battery is a sealed unit that uses special relief valves to vent vapors from the battery. The electrolyte is stored in sponge like separators consisting of matted glass filters. This suspension increases the efficiency of the charging and discharging rate of the battery.Hey all. Newbie here and new to Jeep. Hope I can find some help here. Bought a 2021 Wrangler Rubicon w/ 45k miles about 3 weeks ago. Left the dealership and about 10 miles down the road the vehicle shut down completely. No power, no start, no nuthin'. Dealer towed it back and replaced the...Jerry Bransford. 50612 posts · Joined 2005. #2 · Feb 8, 2018. I haven't seen a kit since that driver's side tray not set up for a battery, it's there for the ABS pump assembly. You'll want to figure out how to mount the battery temperature sender under the battery too, that's how the computer knows when to slow the charge rate.I'm in need of guidance on the charging of a secondary battery in the bed of the truck and running power from that second battery instead of straight from starter battery. Lets say i want to run a 3000watt inverter in the bed of the truck but that requires a 4/0 gauge wire run all the way to the starter battery (only using it at 3000watts when ...How to delete the aux battery in JL and JTLocation Denver Vehicle(s) 2021 JLUR, 2021 GCL, 1997 TJ, 1983 Chief FSJ ... the 48 volts is stepped down to 14.2 volts and supplies the Jeep battery with a charge. If the engine is not running, no charging voltage is supplied. This is a function of the 48 volt battery module. ... How the JL & JT '21 3.6 Etorque battery system really functions ...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. The Jeep JL and JT have Aux batteries. Yep, you heard me correctly, there are two batteries. One for starting the engine and the other is used to keep thin... Also to have a separate battery to run all the accessories connected in the Jeep and isolated from the main cranking battery. I don’t like the fact of needing to redo all the wiring for lights, etc.. to run them under the rear seat to the Gen 3 hub distribution block seems like a pain.2018 JL Sahara 3.6l auto 55600 miles Service stop/start light on and hood ajar light as well. Remote start also doesn't work. replaced auxiliary battery and ESS still not working and lights still on the dash. Cleaned the grounds to the side by fender and made sure everything was tight when replacingthe auxiliary.The Jeep JL and JT have Aux batteries. Yep, you heard me correctly, there are two batteries. One for starting the engine and the other is used to keep thin...We disconnected the battery on a 2018 jeep Rubicon JL today. The vehicle had a complete power after the battery was disconnected. We tried grounding the positive and negative terminals together but nothing changed. We chased around and found that there was a second battery or secondary power unit below the fuse box.

The 2018 Jeep Cherokee's battery location is on the driver's side of the engine bay, underneath a black plastic cover that's simple to remove. If you have a 2018 Jeep Grand Cherokee, you'll find both the 12V AGM car battery and the smaller auxiliary battery in a hidden compartment underneath the front passenger seat.

Location Ontario Vehicle(s) Jeep Wrangler JL Apr 12, 2021. Thread starter #1 ... Second, it may not be the Aux battery, or only the Aux battery. Third, at least if you were running a 2018 3.6L JL, that model year would not crank at all if the Aux battery lacks adequate charge. ... this is just my experience for my Jeep and aux battery - yours ...Location Winnipeg Vehicle(s) 2020 Jeep Wrangler Willy's 19 minutes ago. Thread starter #1 For all of you saying how bad the setup of the auxiliary for the ESS system 2nd battery is. I have something here to share with you. Here’s the auxiliary battery I replaced out of my 2020 Jeep Wrangler. Dated from 2019 production.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 ...How big is a Jeep JL auxiliary battery? The auxiliary battery in a Jeep JL is group size 400. The physical dimensions for your Jeep Wrangler JL auxiliary battery are 5-¾ inch x 5-⅞ inch x 3-7⁄16 inch. The battery weighs around 11.5 pounds and is capable of producing 200 cold cranking amps (CCA). Battery replacements are one of the more ...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...Replacing the main battery in my 18 and even after doing the fuse/ground cable bypass still have the stop start unavailable; service system message at start up. ... Location North Jersey Vehicle(s) 2018 Mojito! JLS, 2018 Firecracker JLUSS Build Thread Link Occupation ... '18 JL Sport - 2.0T, 8AT, M220 rear, A/C, tinted soft top, Mopar tubular ...Here's my attempt at a diagram that illustrates the battery connections for the 3.6L ESS dual batteries. Hopefully this will help make sense of why things work the way they do. I tried to show that when you pull the battery terminals off of the battery, there is still an electrical connection between the cables attached to the battery terminal.How to delete the aux battery in JL and JT

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Simply cut both cables off enough to get to unmangled wire then strip the insulation back about 1". Loosen the 2 small bolts on the lug and lift the clamp plate then insert the freshly stripped cable ends under the clamp and tighten the 2 bolts back down. Also make sure the lug is tight on the battery and viola you're good to go.Or does it have the small battery below the fuse box (which I have seen indicated for the 2.0 ESS engine, not the eTorque)? ... Location Western NC Vehicle(s) 2017 JK Sahara, 2021 JLU Willys ... Threads 4 Messages 68 Reaction score 13 Location NYC Vehicle(s) Hyundai Elantra Touring, future Jeep? Yesterday at 9:15 PM. Thread starter #3 garyji ...2021 Jeep Wrangler JL 3.6 (no etorque) My auto start stop and aux switches have quit working so I'm assuming the aux battery is bad. I've seen posts about pulling the F42 fuse and removing the aux battery negative to isolate the aux battery and avoid killing the main battery. My problem is that I'm missing that F42 fuse and the fuse terminals.Line: SSB. Check Vehicle Fit. Battery Difficult To Install Battery, Professional Installation Recommended; CCA: 200; AGM; Auxiliary Battery, With Start/Stop; Vent To Outside; AGM Battery Required; Battery Located In Engine Compartment. 1 Year Limited Warranty. Battery Type: AGM. Height (in): 5-3/4 Inch. Length (in): 5-7/8 Inch. Show More.I've recently picked up a gremlin with my passive entry not working. Touching the front doors or tailgate no longer unlocks the Jeep. Using the button on the fob does. Once in the Jeep, pressing the START button results in "Key Fob not Detected". Holding the fob to the button works, as does holding the fob against the top of either B-Pillar.Location florida Vehicle(s) 2020 jlr-2015 jette tdi-2013 mb ... Then when you want to remove power from the jeep, you can turn the battery disconnect switch to the aux battery off and just remove battery terminals on the main. ... with no other changes will cause your 2021 to likely not crank on the first attempt and on second and thereafter ...Here in IA batteries usually last 3-5 years depending on the vehicle and quality of battery. But what I learned from another Jeep forum when I bought my JK is that it's extreme heat that kills a battery quick, not cold. So you guys in TX, AZ, Las Vegas, etc. may find that 2-3 years out of a battery is more typical.Location Bellingham, WA Vehicle(s) 2023 Jeep Gladiator, 2018 Fiat 124 Spider ... Jeep Wrangler Sport S JL 2-D Build Thread Link Occupation Professional dancer/male stripper Dec 22, 2022 ... The second battery reliably reads 12.9/13.0 volts at shut down and the main battery at shutdown reads 12.7/12.8. I'm using the Jeep's EVIC for main battery ...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.Stock Battery Relocation Kit. for 2018+ Wrangler & Gladiator with Gas Engine. This kit relocates the stock small aux battery from under the fuse box to above the fuse box, allowing for easier access for servicing the battery in the future. All wiring remains 100% stock, with no changes to the ESS (Engine Stop Start) system.Whether it’s a laptop, a tablet, or a smartphone, battery life estimates always seem like they’re totally wrong. How-To Geek explains why. Whether it’s a laptop, a tablet, or a sma...I bought it with the modifications made by the previous owner, who was really the second owner. (The bought it used did the mods, then sold.) They include a 3" lift with 35s, steel bumpers, increased suspension to go with the lift, a dual battery system, and some other things that, when compared with other customized Jeep, aren't that crazy. ….

Not like the genesis dual battery unit. The second battery is to keep your lights, radio and the like working when the start stop does its thing. It's quite small. The main battery is your start battery. ... Fits 2018-2021 Jeep Wrangler JL with the 3.6L AND the 2.0L engines. Does NOT fit with the diesel engine---From their Q&A section, they ...It's still a few weeks away, but we already have a pretty good picture of the iPhone 14's battery life, size, and other specs. One of the most pressing questions when Apple reveals...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...As soon as the engine shuts off, all power within the jeep is provided by this second battery. edit: in addition, the secondary batteries are what restart the engine at the end of every start/stop sequence. ... Location Arizona Vehicle(s) Jeep Wrangler JL Rubicon Vehicle Showcase 1. Mar 1, 2021 #54 Genesis Offroad said: Whew! Lots of confusion ...Jeep Wranglers are equipped with two batteries for several reasons. The primary battery is responsible for starting the engine and providing power for movement, while the secondary battery, also known as the auxiliary battery, powers add-ons and accessories. The load is evenly distributed by having two batteries, and the electrical components ...Negative Terminal Location: Top Left FrontReserve Capacity: 140minBCI Group Size: 94RTerminal Type: SAE - Type AHeight: 7.5inCold Cranking Amperage: 850A ... 2020 Jeep Wrangler Battery Size The OEM 2020 Wrangler battery is Group Size 94R, but the Wrangler will also accommodate Group Size 48 batteries. Dimensions are one thing, but …The battery you didn't address will take out the battery you did address. The 2018 issue was a software logic glitch. If the Aux battery was low voltage the JL wouldn't even try to start, even though the Aux battery isn't used to cold start the engine. That's been fixed. Now, if the Aux battery is low voltage the JL won't try to start on the ...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... Jeep jl second battery location, IBS > Clear/Reset: IBS Sensor: Mopar 68289207AC Disconnect all 12v power to the JL/JT * Now, when 12v power is restored, the IBS starts a lengthy relearn process. Until the relearn process is complete, accurate battery state (MAIN battery) information is unavailable to other vehicle systems., Oct 24, 2020 · Oh yeah. This kinda thing was happening to the review models back before the JL hit lots. However, while tedious, the battery is relatively easy to replace and a faulty or dying one is certainly indicative of the issues you're having. It could also be a problem with fuses, but regardless, that's what your warranty is for. , In emergency situations, every second counts. When it comes to fighting fires, having access to accurate and up-to-date information can make all the difference in saving lives and ..., The 2nd battery is a true backup. No loads connected to it unless I need it to start the jeep and it is disconnected from the primary battery if the ignition is off. When ignition is on and alternator voltage is above 13.2 volts the backup battery is charging. Flip a switch to connect the backup battery and start the jeep., We plan to flat tow it and was told that the battery should be disconnected to prevent the odometer from registering the miles. Second reason for battery disconnect: We will have an additional braking system - this braking system will power the brake lights independent of the Jeeps electrical power source. So. . .for normal driving operation:, 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., Sep 26, 2023 · i have a 2021 also i heard nothing but failure stories about the second buttery so i bought a gennis 2 and two full throttle batteries . i installed and found out i didnt have the second battery. no matter now i do. install went great put my mind at ease .only thing had a rattle ,found the steel mounting plate that i installed needed a couple large rubber gromets under the plate to keep the ... , 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., Location Dallas, Tx Vehicle(s) 2020 JLU Rubicon Recon, 2021 JLU Rubicon Mar 20, 2023 #2 ... '18 JL Rubi, '22 Prevost M H3-45,'01 Harley FatBoy Mar 20, 2023 #4 ... You can disconnect the ground cable the goes from main battery negative terminal to the body at the body. With the newer cable configuration, you can also …, Jeep wrangler jku battery dead after 18 months – ocabj.netBattery dual install benchmark jeep jk forum wrangler Jeep jl wrangler battery techAux battery location ⚠️ jeep jl 2018 wrangler ⚠️stop start battery. Jeep jl battery issues 2Battery issues / no starting / lessons learned 2nd jl wrangler rubicon jlu sahara jlwranglerforumsHow ..., If you are in need of batteries for your electronic devices, look no further than Batteries Plus. With their extensive selection, knowledgeable staff, and convenient locations, Bat..., Change one of these factors such as take the battery out of the engine compartment like a WK2 Grand Cherokee and you can get longer life. My 2018 JLU is the first vehicle I've owned with AGM battery. That style battery is advertised to last up to twice as long as a flooded acid battery. I've heard of JL OEM batteries failing in under 3 years., Most of the time it's around 13.7 to 14.1 volts, but after the battery is fully charged it will bounce around a lot more. It takes a LONG time for mine to get in that state. Stomping the throttle gets it to go down pretty quickly, but again ONLY after things have been charging for a while., Location tempe, az Vehicle(s) 2021 JLUR Diesel, 2012 JKUR, 2020 Powerwagon, 1956 F-100 ... quality battery or possibly a true dual battery system that would fit in the engine bay or worst case scenario put the second battery battery in the back and use it as part of your Overland solar power system. ... Fits 2018-2021 Jeep …, 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..., 13.8-14.2v isn't from the battery. It's from the alternator trying to charge the batteries. Now that you have better batteries the alternator isn't always trying to charge them. 12.7-12.9v is a fully charged battery. So the alternator doesn't kick in and voltage will stay 12.7-12.9v. 12.2-12.5v is a slightly drained battery. So the alternator will kick in and …, Jeep Wrangler Unlimited 2018 JL Sahara,Dodge Journey 2012, Toyota Camry 2015 Occupation Yes Vehicle Showcase 1. Jan 29, 2019 #3 ... I just wish the ESS battery was in a better location to work on it. Every new path we take is a journey that we should enjoy and remember. Reactions: ..., 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., 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 ..., What are the components i need to check on the 48v battery system to see if there can be an issue or it lost its full charge. ... Location chisholm mn 55719 Vehicle(s) 18 ram bighorn 4x4 18 jeep rangle rubicon May 15, 2020 #11 I park my 2018 jl rubicon 2.0 for winter in Minnesota. I disconnect the positive cable for the 12 volt and then I ..., 2018 JLU Sport, 3.6L, Manual, Punk'n, Anti-Spin, All-Terrain Tires 2.5" Rough Country Spacer Lift, Pro Comp 34 Rockwell 17x8.5 Wheels, LT315/70R17 Ridge Grappler Tires, Roam Slimline Tire Carrier Rear Bumper, Roam Side Armor Steps, Warn Elite Full Width Front Bumper with Grille Guard and Skid Plate, Warn VR8 Winch, Tuffy Security Deck Enclosure ..., As far as I'm tracking there is a second battery and second starter for the Automatic Start on the JL's. I know I'm not the only person that completely hates that function. I am posting to see if anyone has deleted that stupid autostart system, but kept the battery around to utilize it as a dual battery system, pluggin up your secondary lights ..., When a Jeep Wrangler JL/JLU has E-torque, then you only have one Battery. With no E-torque, then you have a main and aux Battery. This also is applicable, to different year JL/JLU's. ... Etorque has a main batter in the normal location in the engine bay + a 48v battery located where it's noted in the above picture. Also the 48v battery is a ..., 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., Long story short I didn't have long enough ground wires for the light to hit the recommended location closest to the fire wall. I found this other ground. Looked just like the one closest to the firewall. Hooked up the lights with the main battery dis connected and the factory aux switches off. And the lights came on!, How big is a Jeep JL auxiliary battery? The auxiliary battery in a Jeep JL is group size 400. The physical dimensions for your Jeep Wrangler JL auxiliary battery are 5-¾ inch x 5-⅞ inch x 3-7⁄16 inch. The battery weighs around 11.5 pounds and is capable of producing 200 cold cranking amps (CCA). Battery replacements are one of the more ..., Others install the Genesis Dual Battery kit, which removes the ESS battery and uses the second battery to also feed the ESS system. Reactions: Gvsukids and ... My 3.6L gas JL with ESS had an issue with the system and ESS was disabled with the light on the dash. It took the dealership and engineers at Jeep 3-4 weeks to figure out how to make it ..., 50629 posts · Joined 2005. #3 · Aug 14, 2010. That's not a battery tray, it's really there for use by an ABS system. To add a second battery, if you really need it, …, Jun 26, 2023 ... HOW TO Replace the Main and Auxiliary Battery on a Jeep JL Wrangler and JT Gladiator Truck. Wayalife•368K views · 11:11. Go to channel ..., 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 , Remove Bracket - Take off the bracket that secures the battery. 5. Remove Cables - How to disconnect the cables the right way. 6. Clean Cables - Clean with baking soda, water and a wire brush. 7. New Battery - Install new battery and prevent corrosion. 8. Secure Battery - Replace the bracket to secure the new battery., 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., Well I decided to go the compressor route instead of the LiFePo battery in this location. I removed the empty auxiliary battery box. I then cut a .25” aluminum plate to mount the twin ARB compressor to. The plate mounts to the 3 screws that held the auxiliary battery box in place, plus 2 more screws that come thru the bottom of the main ...