Questions tagged [battery]

A rechargeable device most often made of lead plates covered in an electrolyte and protected by a plastic shell which supplies consistent electrical energy to a motor vehicle. Often referred to as an SLI battery (starting, lighting, ignition). Powers starter motor, lights, and ignition systems of a motor vehicle.

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23 views

My Jeep Wrangler won't start

My Jeep Wrangler 1995/4 cylinder/manual was stored for winter and I tried starting it today. It did not start and just made continuous clicking noises. When I jump start using my daily car it is still ...
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54 views

What happens if the main battery gets connected backwards?

2008 Mitsubishi Nativa (Pajero?) now no power coming from alternator after my experienced mechanic hooked up the car's battery backwards. He saw the spark he said but didn't register as he was ...
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Ford Focus DCT Acceptable Grounding

On a 2012 Ford Focus with the Dual Clutch Transmission, DCT, with a Fluke 75 Digital Volt Meter, battery disconnected, I initially read 2.6 ohms from the battery negative cable, past the negative ...
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Bought a brand new battery. Tested at only 5.79v

I bought a brand new battery at Walmart today. Only because the old one died a block away and at 9pm. I installed the new one and nothing. I tested with my multimeter and it read only 5.79V. How is ...
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Leaving Nissan Qashqai (2016 plate) inactive for 2 months - What about the battery? [duplicate]

I own a 2016 Nissan Qashqai. We're planning to have long-term holidays (2 months) in the summer and I was wondering what I can do to prevent the battery from going flat. The car will be parked on the ...
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31 views

Help with Broken battery cables

My daughter recently bought a 2003 Grand Vitara and the positive battery cable appears to have broken off. Would appreciate some assistance with identifying what part we need to purchase/replace. It ...
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Key stick Dead Battery Buzzing sound

2008 Chevy Cobalt ... Just got done driving the car. Put it in park turned it off. Then tried restarting it right away. It wouldn't start. It started making a buzzing sound. The key was stuck in the ...
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25 views

Portable Jump box won 't hold charge

I bought a Black & Decker 700amp portable jump charger for my car, and did not use it for a couple of months (not that long really), and then when I went to jump start a vehicle it had no charge. ...
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How much electric power does my truck consume?

I have a 2011 Nissan Frontier Pro-4x. I want to get a general idea how much power I could draw from my alternator while driving. For that, I want to find out how much power my truck uses in the first ...
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610 views

Renault clio snapped bolt removal?

I have a 2002 renault clio. Due to the recent lockdowns I have not been driving anywhere and as a result my battery wasn't in use. I now need to replace the battery so went about removing the old ...
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Does the third “ACC” or accessory wire of this GPS need to be connected to 12V for it to charge?

I asked this question on the Electrical Engineering SE. They essentially said it's too automotive for that SE. I'm thinking of hooking up 18 VDC to the red and black lines. Does the orange line need ...
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Can a faulty alternator trigger the Check Engine light?

I have a 2010 Toyota Corolla S. Couple of weeks ago while driving my battery light came on. I replace my alternator after that. That battery came on again after 2/3 days. I took my car to a different ...
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Haven't driven my car in over a year, how to get it back up and running again? [duplicate]

Since the start of the pandemic lockdowns and with everybody working from home, I haven't had a reason to use my car and it slipped my mind to take it out every once in a while. So, now the car ...
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can I trickle charge a spare car battery (located inside the car) from the cigar lighter port while driving?

I keep a car parked in a lot in another state. I get out there every few months or so. The battery under the hood sometimes is dead due to the small system draws while the vehicle sits idle for a ...
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What is a point of contact to measure the live (red) electric cable?

The car starts fine in the morning. Since the battery has signs of leakage, I remove it in the afternoon, and put a new one, with a factory sticker indicating it was made two months ago. There is no ...
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Battery drain, even disconnected

So, I have been having issues with the car starting of late. Battery died randomly, got RAC out said battery was fine just dead. Jumped it and all was OK for 2 weeks. Then awake to it dead again, then ...
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What is the difference between a top and side post battery?

I'm looking in to getting a battery analyzer and whilst looking through the manuals, I came across an entry where you have to tell it whether the battery is side or top posts. What difference does ...
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VW EOS ESC Error message

My VW 2015 EOS works great but since my last tire rotation, the ESC Stabilization Control Error appears while drive on dry roads at a constant speed. Engine slows, cannot accelerate. Must pull off ...
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My car battery light is on

I have a 2010 Toyota Corolla S. Today, after driving around for 15 minutes, when I parked, my battery light came on. I took it to Autozone. After checking my battery and the changing system they said, ...
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Car won't start and makes loud grinding noise when attempting to start it, video attached

2012 Infiniti G37x, Attempted to start it but it makes a loud grinding noise and doesn't start. The lights and the interior electricals are working. Haven't driven it in 2 weeks but it started just ...
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1answer
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Does a car battery's acid dissolve nitrile gloves?

My battery has some liquid spill on top and on the sides. I didn't touch it, but I assume this is sulphuric acid leaking, and not any kind of oil. Does sulphuric acid dissolve nitrile gloves? Could it ...
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Most Dash Lights (and Gauges) Turn on and off Periodically before Car Shuts Off Completely

Alright, I'll try to keep it snappy. 2005 Chevy Express 3500 4.8L V8. 130k miles. Most dash lights would turn on and gauges would go dead for a couple moments and then come back periodically. It's not ...
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MotoMaster Eliminator 1400A Booster

I have one question about charger booster. I have MotoMaster Eliminator 1400A Booster bought in 2014. I think its battery is dead, because it does not boost the car even when it is fully charged. Can ...
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Can an OBD2 tester do a battery load test?

This Autophix device device was suggested by a review as the best of five battery testers. The text implied that includes testing cranking amps. But it can only connect to the computer—has no way to ...
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Why wont my car start

96 Chevy astro van My blower motor resistor shorted out and I replaced it. a test says my battery and alternator are good. I can still jump start my car. but it wont start otherwise. if i jump the car ...
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Car that I drive regularly has flat battery, bad alternator?

A car that I pretty regularly drive everyday has just had it's battery run flat. I had just got back from a 30 minute drive and 10 minutes later tried to turn it on and it just kept cranking like a ...
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Left car battery “tipped” for a few months--is it safe to use?

A few months ago, I bought a new car battery and stored it sideways (silly me!) There's been a fair amount of leakage, which I've cleaned up. Is the car battery safe to use in a car? Is there some way ...
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Troubleshooting of Battery vs Alternator

it's been a while! Hope everyone is well. This might be kind of a dumb question but here we go: My car's battery light turned on a few days ago, then suddenly went off one day when I rode the car to a ...
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Motorcycle Battery overheating, diagnosing the cause

After trying to start the bike for about 30 seconds to no avail, I found that the screws attached to the battery had become hot to the touch. Taking the battery out and testing it with a voltmeter ...
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2011 Honda Civic: new battery, alarm will not stop

2011 Honda Civic. Car was sitting for multiple months. Car battery was dead once tried to use of course, alarm was set when car battery died. New car battery purchased due to battery being bad. After ...
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What causes car battery to hold only 5v?

One of my cars was parked for a few months and it couldn't start after that. I could jump start the car and gave it some good drives (2hrs in total) to recharge the battery. However, that didn't help ...
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Jeep Cherokee Electrical

I have a 1991 Jeep Cherokee Laredo 4x4. When im driving all my electrical stuff turns off but turn on right away but the engine keeps running. This only happens when im driving through rough terrain, ...
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parasitic battery drain on my 98 jeep cherokee

I have an amp draw of .85 tested from my negative battery cable on one lead and the neg. post on the other lead of my multimeter, I have removed every single fuse and relay and unplugged every single ...
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Replacing car battery, as soon as the terminals connected locks click on and off

I just replaced the car battery in a 12 year old Ford Focus, on reconnecting the terminals. The door locks continuously click on and off. Any ideas on the cause or suggestions for a fix ?
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New battery no start

One of week of extremely cold my Honda CRV 2014 battery died and I changed it with new one but the car neither started nor light or click it. I haven’t seen any problem before. Is there any suggestion ...
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Installed new battery not start [duplicate]

My Honda CR-V never have been any wrong or issues before. One week of extremely cold weather my battery died and I changed it with new one but no start, no light, no click at all. What shall I do ...
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Parking brake left on

So I went to move my car this morning around two blocks from my house. My parking brake was on and I didn’t know. When I parked I realized it was on the whole time. It was driven for 2 block going 5 ...
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60 views

Will wrapping car battery with insulator help?

I always park my 2010 Honda CRV outside overnight. My place doesn't get freezing cold (usually around 40 degrees F) and it does get windy. Will wrapping my car battery with an insulator help extend ...
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What does the 'battery' light on the dashboard actually mean?

I know that when the battery symbol lights up on the dashboard it indicates a problem with the electrical system, which is commonly either an ageing battery or a broken alternator, but for the ...
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Charging battery with battery charger vs jump starting and running the car

Got a 1998 Toyota Camry that has an empty battery and am wondering what the best course of action is. I have a battery charger that I am thinking of using but it's currently inconvenient to do. My ...
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Ticking sound when stopping (for example at a traffic light or stop sign) and driving off again

I took my Hyundai accent in for a battery change the guy was quite rough when he was putting the battery in, so far so that he was weighing down on the air filter cover and trying to push the air ...
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1answer
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Should I replace wiring harness? If yes, how to do it?

My Hyundai Tucson 2013's fog light is not working. Also a bulb in cabin which is supposed to stay steady is blinking. I suspect this could be because of the voltage drops and electrical faults. I ...
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45 views

Car not starting after week of sitting in cold temperatures

Three weeks ago I bought an '03 Honda Civic. It's been running well so far, but I let it sit outside without using it for a week and a half in 10 to -10 F temperatures. After this, the car wouldn't ...
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white powder around battery but not on terminal. Is the battery bad?

Car cannot start today in California mild weather. I tried to jump start but failed, maybe the jump starter need a bit longer for charging. What's weird is I noticed the white powder around the ...
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1answer
32 views

12 to 24v charging with isolator

I'm trying to find the best way to charge my 24v solar battery bank off my 12v bus system. The simple way seems to be a step-up converter and a diode, but I'm wondering if I can replace the diode with ...
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Car battery charger voltage

i have a car battery(74ah) 750a that i hooked up to a cheap 12v 4a car charger without any smart functions. At what voltage should i disconnect the charger when measured with a multimeter? Now it ...
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1answer
51 views

Car not starting, battery reading 12.5V

car wont start, had the same problem a couple months ago, but then it suddenly started. Came out this morning, car didnt start, almost got it starting but the starter motor didnt get enough juice I ...
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Motorcycle turns but won't start

I have a Suzuki Bandit 1250s. It was standing for about a year, after which I decided to ride it again. But it started giving a problem where it won't start when hot. The engine will turn like it has ...
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1answer
33 views

power drain and sometimes will not jump

Mercury Grand Marqui 2000. Had issue last winter with needing to be jumped on very cold days. Was fine in summer. This winter the problem returned so I bought a new battery. Still, when car sits for ...
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1answer
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Mercedes-Benz battery charge warning light

I have a Mercedes-Benz model 2004 with V-6 petrol engine E320. On the dash-board a battery mark you can watch always unless you push the botton on steering wheel will disappear. And battery still ok , ...

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