Jeep jl battery voltage

You will see 14.x volts, sometimes 13.x volts, I've noticed on long trips when the battery clearly had more than enough time to hit fully charged, it might even drop to the battery float voltage 12.7-12.8 volts, …

Jeep jl battery voltage. New JL Batter Level 12.7 - 13v - ESS stopped working. Bought a new JL Sport S last night. This afternoon while I was driving on the streets, after about 6 traffic light stops, my ESS got disabled and went to battery protection mode. My battery voltage display when driving shows 12.7v and occasionally spikes to 13v. Do I have a defective …

Dec 1, 2020 · My experience on hundreds of other vehicles, but none of them jeeps is the following. 12.7 ish vehicle off battery voltage reading. 13.5-14 battery reading at idle, and up to around 14.7 battery reading while driving /increased RPM. My last Chrysler vehicle (Charger) also had built in over volt protection.

If the aux battery is low, the main will "charge" the aux battery taking the voltage of the main battery down until an equilibrium is reached. If the one battery has a "short" then it will eventually kill both batteries. If your meter says 12.5 the cluster had better read at least 12.3.The vehicle voltmeter show voltage under load. Unloaded battery voltage would be higher. In a stop/start event, the vehicle voltmeter shows aux battery voltage. All other times the voltmeter shows the 2 batteries combined. The stop/start system seems to get a little funky when actual battery voltages get near 12.4.In my case the starting EVIC displayed voltage is around 13.0-13.5 and after about 30-45 mins of driving it drops to 12.7-12.9 and pretty much stays there while running down the road or idle without allowing ESS to kick in which case it displays the actual ESS battery voltage, the only time I see my EVIC voltage go over 14 is on deceleration or ...Start your Wrangler. Connect the black cable of the multimeter to negative terminal of the battery, and the red cable to the positive terminal. The voltage should be between 13.5 and 14.8 volts with the engine running. Switch on the accessories in your Wrangler, for example, headlights, AC fan at full speed, and interior lights.Voltage: 12VDCType: StartingCranking Amperage: 842AReserve Capacity: 130minNegative Terminal ... Width: 6.875in. About 2019 Jeep Wrangler Car Battery. Your Jeep's battery stores electrical energy that the starter needs to fire up the engine, and it's also used to power electrical systems when the engine is off. Most car batteries last for ...#1 · May 26, 2018. Bought a new JL Sport S last night. This afternoon while I was driving on the streets, after about 6 traffic light stops, my ESS got disabled and went to battery …In this video, I'm demonstrating how to replace BOTH batteries in a Jeep JL 2018 & up! There are 2 ways of doing this, one is removing the fuse box to get to...

Batteries are a necessity for our every day life, but have you ever wondered when was the first battery invented? Find out with this article by HowStuffWOrks.com. Advertisement Bat...The 357 battery is a silver oxide battery, while the LR44 is an alkaline battery. The 357 battery has a longer useful life and provides a more consistent voltage level than the LR4...By personal experience with my JL, I can tell you even a top notch battery pack will not have enough, lets call it oomph to start a JL with depleted batteries. If you have cables, and have a good 12v donor vehicle, …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.The stop/start system seems to get a little funky when actual battery voltages get near 12.4. A career that led to some knowledge about battery systems, and 6 months of struggle with the dealer when my batteries got old, ... 2021 Jeep Wrangler JL Rubicon Today at 1:26 PM #13Keep in mind, battery charge rate fluctuates as its a "smart charging system" Cheers! Edit: meant to say charge rate not battery voltage (batteries don't charge lol) Last edited: Jan 12, 2022Last I'd heard was that only the 4xe and the 2.0L 4 cylinder had the 48v battery and that the 3.6L V6 eTorque had the Primary 12v and AUX 12v Battery. I have a 2023 JL Rubicon with the 3.6L eTorque. So which Battery combination do …

2021 JL Sport, 9,500 miles. battery save mode come on and Jeep died shortly after and wouldn't start again. ... And only checked voltage. ... 9,500 miles. battery save mode come on and Jeep died shortly after and wouldn't start again. Towed to dealer.Verify battery size in vehicle. Voltage: 12VDCType: StartingTerminal Type: Type AuxWeight: 10.0lbAmp Hour Capacity at 20 Hours: 14Ah ... 2020 Jeep Wrangler Battery Size#1 · May 26, 2018. Bought a new JL Sport S last night. This afternoon while I was driving on the streets, after about 6 traffic light stops, my ESS got disabled and went to battery …I see that the small battery needs to be charged, but about how much voltage does the big battery need minimum for the engine to start when it is cold? mwilk012 Well-Known MemberThe "Battery" voltage is just a faux description, it's really the vehicle's charging system's overall output 'effort'. Regardless, the voltage shown indicates essentially 'how hard' your alternator is working to charge your batteries, not necessarily the battery's true voltage. The unit of measure can be anything.

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TJ, Commando, JT , JL, M422 Jul 5, 2021. Thread starter #1 Woke up to completely discharged 12 v battery on etorque 2-door. ... The Jeep starting system is 12V, therefore the starting system won't work as designed by Jeep off of the 48V eTorque battery. The eTorque battery is for Start/Stop events and applying battery power ...After being repeatedly shocked at hearing so many here referring to having to change their batteries out after just three or four years, one member pointed out that the …41 posts · Joined 2019. #1 · May 25, 2022. We own a 2020 Wrangler JL. this week when I went to start it, I got a message that said the Aux switches are disabled (has trailer towing package) - battery charging. i checked the battery voltage with the Jeep running and it’s right at 14V. With Jeep NOT running , battery voltage IS slightly above ...A week ago, we saw Stellantis (FCA US, LLC) issue a recall for a risk of a battery pack fire for the 2021 to 2023 Jeep® Wrangler Unlimited 4xe (JL) plug-in hybrid (PHEV). However, we are now learning more details about those 32,125 vehicles in the United States, an estimated 3,856 in Canada, and 9,249 outside North America, thanks to documents sent from FCA US, LLC to the National Highway ...Is this the normal voltage reading in this generation Jeep and drivetrain? Sponsored . Rhinebeck01 Well-Known Member. Joined May 9, 2018 Threads 149 Messages 11,111 Reaction score 15,653 Location. Vehicle(s) 2018 2dr. Rubi Jun 26, 2023 #2 IF your JL does not have an Aux battery it is because you have an etorque JL. You @Bhartman …

Sep 19, 2023 · 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... A 12 volt battery, 100% fully charged, has a specific gravity of 1.265 and a resting voltage reading of 12.7. Your alternator will have an output of about 14.4 volts.It's called "regenerative braking". Your JL has it. When coasting and foot off the pedal, the generator charges the 48V battery. This applies to vehicles with eTorque. My jeep does not have eTorque. OK, then something isn't quite right. When my JL is cruising (with eTorque) my voltage shows 14.2 as should.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.I'm assuming that you are talking about the 3.6L JL. For reference ESS battery=aux battery=supplemental battery; they're all one and the same. Some people have suggested--and I think them purists--that because the 2 batteries are of different types that it's best to charge them separately. But I don't think your rig does, so why should you?I have a 2018 JLUR (2.5 years old) with 39k miles, I had the battery tested and the cells are dead. The Jeep dealership says it would be covered but its passed the 36k miles, I also have the lifetime maxcare warranty but service advisor says it doesn't cover it either. Is it worth it to get a...Hello everyone. I'm new to this forum. I recently have been having trouble with my 2017 jeep grand cherokee limited 4x4. It started with erratic battery voltage indicated on my dash. Sometime it would read 14v, 13.6, and now 12.7. And now my ESS won't work and it gave me the warning to "stop safely, engine will turn off soon".Dec 19, 2019 · Alternator charges the battery and the battery is the main power connection for all of the electronics. therefore what the battery voltage gauge says tells you everything. at 14.6 - 14.8 your charging and running everything on the alt. when at 12.8 your atl has been opened up to allow just the battery to be used. this function allows the ... My JL has the 2.0L w/ eTorque. Going to connect a SmittyBilt Arctic Fridge which has a physical toggle switch that enables low voltage detection so it cuts itself off prior to the battery getting so low the engine cannot turn over. Switch options LOW 10.2V MED 10.7V High 11.7V...Mar 13, 2017 · jkudave. 2463 posts · Joined 2015. #4 · Mar 13, 2017. Fully charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts. Anything in life worth doing is worth overdoing. Moderation is for cowards. --Shane Patton, Ballad of the Frogman. Like. Find out more info about the Jeep Wrangler IV ( 2018 – now ) : https://www.youtube.com/channel/UCZvHdPZzOdONixt5mRRolngWould You like to know how to Check th...My experience on hundreds of other vehicles, but none of them jeeps is the following. 12.7 ish vehicle off battery voltage reading. 13.5-14 battery reading at idle, and up to around 14.7 battery reading while driving /increased RPM. My last Chrysler vehicle (Charger) also had built in over volt protection.

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.

HardSell said: Your 12.7 volts is coming from the battery. 14 volts is normal output voltage for a healthy alternator powering the electrical system as it runs. Once the output voltage drops below 12.6-7 volts the battery will drain rather quickly and remain drained until charged. 14 volts output from the alternator is required to operate all ...While 1 battery ESS systems in other vehicles are common, the 3.6L JL's two battery system may tax the ESS battery (normally the ESS/Aux battery) more than in 1 battery systems under the premise that during normal operation, the big main battery is left pretty much untouched during ESS events, preserving its power for the post ESS event …It's not always about batteries. (and it can be a main battery issue as well) My testing has shown that during an auto stop/start event, even though disconnected from each other by the PCR being opened, they both drop voltage at a similar rate while it's stopped. If the aux battery was at 12.3, the main battery wasn't far behind.May 26, 2018 · New JL Batter Level 12.7 - 13v - ESS stopped working. Bought a new JL Sport S last night. This afternoon while I was driving on the streets, after about 6 traffic light stops, my ESS got disabled and went to battery protection mode. My battery voltage display when driving shows 12.7v and occasionally spikes to 13v. Do I have a defective battery. Dec 7, 2016 · On startup 14.5 to 14.8 is probably normal. But after driving, voltage should go down to about 13.8 to 14.2. In really hot weather it might run as low as 13.6. Lights and heavy draw on the electrical system might take those numbers down another .2 volts or so. This causes the charger to go into a "save mode" to first desulfate the battery and then it resumes normal charging mode until fully charged. This action restores the battery to a fully charged state. On Monday it's back to work and I drive 50 miles per day and the Jeep starts up fine all week. I check the battery voltage the following Saturday ...JL Wrangler Rubicon - Hella Yella - 2.2 Diesel ... Firstly, the 2 batteries supplied by Jeep are disgustingly heavy. ... Now if the main battery ever gets down to a pre set voltage, the load will shut off keeping the battery at a level so that I …On long road trips, I have had the voltage drop as low as 12.7. And once had 12.5V which the dealer said was OK and gave me a Jeep bulletin that stated normal voltage could be between 12.4 and 14.5 volts. I really dislike the smart charging system. Also, I parked the JTR for 3 weeks while waiting for parts and the main battery was dead.

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Wrangler jk Anyone else’s jeep battery voltage change instantly? it was at 16.0 for Wrangler gladiator jl offroad batteries. Jeep® wrangler 4xe 400-volt, 17kwh battery pack. Battery tender for jl 3.6 (with ess)Jeep shows plug-in hybrid 2021 wrangler 4xe, talks battery’s ac system Ess "not ready battery charging" question.Best jeep ... This reading is your current battery's voltage life. The reading should be around 12.6V with the vehicle and all accessories off. If it is lower, the battery might need to be replaced. A standard battery voltage rate compared to charge percentage would be follows: 12.60 volts = 100% charge; 12.35 volts = 75% charge; 12.10 volts = 50% charge Jumpering N1 and N2 probably means that tests of ESS battery voltage during an ESS event are really tests of the main battery. Connected as per factory, the ESS design is such that should the ESS battery drop voltage too much during an ESS event, the event ends prematurely for the spared main battery to bare the brunt of the engine crank to get ...The 3.6L V6 Jeep JL Wrangler features a dual battery system where a main traditional battery is paired with an auxiliary battery for ESS (electronic start stop system). How the dual battery system is wired and operates can be confusing for owners used to a traditional single battery setup.The 357 battery is a silver oxide battery, while the LR44 is an alkaline battery. The 357 battery has a longer useful life and provides a more consistent voltage level than the LR4...Is this the normal voltage reading in this generation Jeep and drivetrain? Sponsored . Rhinebeck01 Well-Known Member. Joined May 9, 2018 Threads 149 Messages 11,111 Reaction score 15,653 Location. Vehicle(s) 2018 2dr. Rubi Jun 26, 2023 #2 IF your JL does not have an Aux battery it is because you have an etorque JL. You @Bhartman …Find out more info about the Jeep Wrangler IV ( 2018 – now ) : https://www.youtube.com/channel/UCZvHdPZzOdONixt5mRRolngWould You like to know how to Check th...When driving, check your battery voltage on the instrument panel: ... Jeep Wrangler Unlimited 2018 JL Sahara,Dodge Journey 2012, Toyota Camry 2015 OccupationJumpering N1 and N2 probably means that tests of ESS battery voltage during an ESS event are really tests of the main battery. Connected as per factory, the ESS design is such that should the ESS battery drop voltage too much during an ESS event, the event ends prematurely for the spared main battery to bare the brunt of the engine crank to get ... ….

I’m viewing the voltage reading for my ‘15 JKU thru may Alpine ilx 207/ OBD II port. Reading shows approx 13.9 at idle and up to approx 14.4 while driving. It does …Today at 8am battery voltage measured with my Fluke is 12.37 A fully charged standard battery is 12.6 - 12.7 fully charged. AGM seems to run 12.7-12.8 (depending on the sources of the information) In any case, 12.37 is far from fully charged. Most info says my battery at 12.37 is 60-70% charged.2023 Jeep Gladiator, 2018 Fiat 124 Spider Occupation Market Research Vehicle Showcase 3. Jun 6, 2021 #7 I replaced both batteries last weekend: it is 12 volt. Autozone didn’t know what batteries my JL took, and didn’t have the auxiliary battery in stock; it was a special order.2022 Jeep Wrangler Rubicon Xtreme Recon Sting Grey Jan 19, 2023 #12 TKL223/3 said: My situation isn’t normal and someone didn’t install the right fan during my build. ... Video name is: “2018+ Jeep JL, JLU, & JT high Amp Fuse Array Replacement/Test ...Jun 22, 2023. Thread starter. #1. my vehicle running about 70k miles now. Changed my AUX battery about 4 weeks ago and the MAIN battery about two days ago. Car seems …Took the wrangler in for an inspection and to talk to someone about it. On the drive in, voltage showed a steady 14.2V and the Stop/Start message was gone. The inspection came back with no problems, though of course the Stop/Start system was outside of the standard multi-point inspection. (Also, replaced the Stop/Start battery two years ago ...To extend the battery life of your jeep wrangler jl, it is important to follow a few key tips. Firstly, make sure to turn off any electrical components when they are not in use. Secondly, use a battery charger with a maintenance mode during long periods of inactivity. This will help to keep the battery in good condition.@Carole1968, @D60, @mwilk012 To all your posts, in the 3.6L JL, I imagine you could technically eliminate the ESS battery, but the cables which connect to the battery's terminal posts, to @mwilk012's thoughts, would have to be provided with another source of energy. Even if you configured your ESS button to turn on automatically with …The vehicle voltmeter show voltage under load. Unloaded battery voltage would be higher. In a stop/start event, the vehicle voltmeter shows aux battery voltage. All other times the voltmeter shows the 2 batteries combined. The stop/start system seems to get a little funky when actual battery voltages get near 12.4. Jeep jl battery voltage, About. 2021 Jeep Wrangler Car Battery. Under the hood, your 2021 Jeep Wrangler battery holds a charge that supplies your electrical accessories when the engine is off and delivers the current necessary for the starter to crank the engine over. The battery works for thousands of start cycles but will eventually degrade and need to be replaced., A lot of people recommend the Odyssey, but I wasn't keen on spending $400+ for a battery that I didn't really need (my stock one was working fine, I just wanted to avoid future issues that a lot of people are reporting with the stock 4xe 12v battery) so I went with this Duracell one for $244 from Batteries+Bulbs: https://www.batteriesplus.com ..., Dec 22, 2020 · After that, the Jeep did start and I drove home for about an hour with a rebooting radio, but otherwise normally running Jeep. Scheduled a service appointment for this morning. Even though the voltage was a constant 14.2 - 14.3 for the duration of the previous night's drive, the battery was at 9.9v this morning and the Jeep wasn't starting ... , All watches use a button cell battery, but the voltage and size code number vary by model. If the voltage and size are not inscribed on the back of the watch, take the battery out ..., 2018 Wrangler JL 2019 Cherokee KL 2020 Gladiator JT Oct 26, 2022 ... When battery voltage is properly-maintained, batteries tend to last longer. ... And guess what - if your AGM battery in your Jeep is 12.4 volts, …, A 12 volt battery, 100% fully charged, has a specific gravity of 1.265 and a resting voltage reading of 12.7. Your alternator will have an output of about 14.4 volts., Batteries are only covered under the 3/36 factory warranty. Dealer will tell you that both batteries need to remain for warranty coverage. Whether or not ESS is used has no significant effect on charging or battery life. My main battery failed at about 3.5 years. I bought a new Aux Battery, at the same time, but have not replaced it yet., Wrangler jk Anyone else’s jeep battery voltage change instantly? it was at 16.0 for Wrangler gladiator jl offroad batteries. Jeep® wrangler 4xe 400-volt, 17kwh battery pack. Battery tender for jl 3.6 (with ess)Jeep shows plug-in hybrid 2021 wrangler 4xe, talks battery’s ac system Ess "not ready battery charging" question.Best jeep ..., If the aux battery is low, the main will "charge" the aux battery taking the voltage of the main battery down until an equilibrium is reached. If the one battery has a "short" then it will eventually kill both batteries. If your meter says 12.5 the cluster had better read at least 12.3., After that, the Jeep did start and I drove home for about an hour with a rebooting radio, but otherwise normally running Jeep. Scheduled a service appointment for this morning. Even though the voltage was a constant 14.2 - 14.3 for the duration of the previous night's drive, the battery was at 9.9v this morning and the Jeep wasn't starting ..., On startup 14.5 to 14.8 is probably normal. But after driving, voltage should go down to about 13.8 to 14.2. In really hot weather it might run as low as 13.6. Lights and heavy draw on the electrical system might take those numbers down another .2 volts or so., The Aux battery voltage must be monitored during auto stop, low Aux voltage during auto stop should initiate a restart. ... Jeep Wrangler Unlimited 2018 JL Sahara ..., The main idea of our dual battery system to allow you to run your aftermarket electrical accessories with the engine off, without killing your cranking battery. Even with the eTorque system, your 12v accessories run from the normal battery under the hood., I did some research and used a multimeter to test the battery--it shows 12.8 volts when the Jeep is off. When I turned the Jeep engine on to test the alternator, the battery shows 13.5 volts at idle, which I understand is on the low end of the range of where it should be with the Jeep idling. If anyone else has any experience with this I would ..., Find out more info about the Jeep Wrangler IV ( 2018 – now ) : https://www.youtube.com/channel/UCZvHdPZzOdONixt5mRRolngWould You like to know how to Check th..., JL Wrangler Rubicon - Hella Yella - 2.2 Diesel ... Firstly, the 2 batteries supplied by Jeep are disgustingly heavy. ... Now if the main battery ever gets down to a pre set voltage, the load will shut off keeping the battery at a level so that I …, 2nd issue: When I was in 4 low crawling the battery voltage went to 12.9 and the LOW VOLTAGE BATTERY light came on. Then the transmission kicked out of M1 gear and made a grinding noise for a second, then I was stuck dead in the trail at 9v 5 miles in. KEEP in mind if your Jeep drops below 12.2Volts you cannot move anywhere!, The combiner switch has 3 settings: combine both batteries to use the backup, both batteries isolated and backup charging (normal mode), and batteries completely isolated. The Smart Alternator charging system is really annoying. On long trips, I have seen the battery voltage drop as low as 12.6 volts while driving., A week ago, we saw Stellantis (FCA US, LLC) issue a recall for a risk of a battery pack fire for the 2021 to 2023 Jeep® Wrangler Unlimited 4xe (JL) plug-in hybrid (PHEV). However, we are now learning more details about those 32,125 vehicles in the United States, an estimated 3,856 in Canada, and 9,249 outside North America, thanks …, The reason for this is that, at least in the 3.6L JL, the two batteries, which are connected in parallel when the rig is at rest, both need charge prior to the crank attempt because the original design (this may have changed) of the 3.6 JL was to isolate the second, smaller, tucked away battery from all other power sources (e.g. main battery ..., I have since replaced the batteries with the Genesis dual battery system, and now my voltage reads between 12.8V and 13.2V. If I leave the Jeep for a week, it will initially start at 14.2V, but after around 15-20 mins of driving, it drops down to around 13.8V. If I use a battery tender, when I start the Jeep, it runs around 12.9V., 2018 Jeep Wrangler Unlimited Rubicon (JLU), 2005 Jeep Liberty Vehicle Showcase 1. ... 2019 Wrangler JL Sahara Feb 23, 2020 #12 when new, my battery charging voltage would initially sit at 14.5ish while coasting or braking, and drop down to 12.7ish at idle (after an hour or two of driving). after 12 months, ..., From the clocks on your walls to the garage door opener you rely on in the rain, plenty of gadgets around your house require battery power to operate. Batteries are usually measure..., The correct voltage for a Jeep battery is 12.6 volts. If the voltage is lower than 12.6 volts, the battery is not fully charged and needs to be recharged. If the voltage …, To charge the jeep jl aux battery, connect a compatible battery charger to the battery terminals. Ensure the charger is set to the appropriate voltage and amperage for the battery. Let the charger run until the battery reaches a full charge. Disconnect the charger, and you’re good to go., 2020 JL Wrangler Unlimited - Rubicon EcoDiesel ... the alternator voltage shouldn't really change that much in 0.5v. ... I'm running 1/0 cable from the battery to the ..., Nov 10, 2020 · Unfortunately, the JL does a very poor job at this because of dissimilar battery types, whereas third party products such as the Genesis Dual Battery system do remarkably better. For your issue, having the EVIC consistently indicating high voltages, (anything over the nominal 12.4 to 12.6 resting battery voltage) indicates your Engine ... , The JL uses a charging system that only allows the alternator to put out what is needed to maintain the batteries and if the batteries are low or bad then the IBS ( intelligent battery sensor ) monitors these voltages and allows the alternator to do what is needed but as the batteries become more and more charged the voltage displayed …, The 357 battery is a silver oxide battery, while the LR44 is an alkaline battery. The 357 battery has a longer useful life and provides a more consistent voltage level than the LR4..., The battery warning light in your vehicle turns on when you turn the ignition key to the "on" position. As soon as you start the engine, the light goes off and remains off until yo..., 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., 1467 posts · Joined 2010. #2 · Jun 18, 2020. It should be right around 14 when running. Fully charged battery should be 12.6 with engine off. If it's cranking over longer before it starts, the fuel pump is probably leaking down as it sits. Try turning the key to ON a few times without stating it., If the aux battery is low, the main will "charge" the aux battery taking the voltage of the main battery down until an equilibrium is reached. If the one battery has a "short" then it will eventually kill both batteries. If your meter says 12.5 the cluster had better read at least 12.3.