8 Culprits Your Battery Light On but Alternator is Charging | How to Fix Battery Light On Dashboard

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  • เผยแพร่เมื่อ 23 ธ.ค. 2024

ความคิดเห็น • 32

  • @richardjohnson4373
    @richardjohnson4373 4 หลายเดือนก่อน +2

    .i have 2014 F250 the battery light is on. The bet is fine. It was burning up alternators on like the 3rd one. I have looked into the problem here in Utube. I was reading the resistance on the two control wires on the alt plug had 2 ohms on a purple and a blue with red strip. I have rewired the three wires in the alt plug. I ŕead 14 V at the battery while it is running. Did a load test on Battery and it is good. I pulled the negative terminal while running and she stayed running so I am charging from the alternator. Still the light is on. Could it be the engine ground wire causing the light to stay on??

    • @AutocornerdPros
      @AutocornerdPros  3 หลายเดือนก่อน +2

      You need inspect all ground terminals of your engine.

  • @nonjabulotshabalala4543
    @nonjabulotshabalala4543 9 วันที่ผ่านมา

    Hi i replaced brushes n regulator on ford focus but now altednator is charging and the battery light is still on...fuses all good what can this be?

  • @ashikchesust
    @ashikchesust 4 หลายเดือนก่อน +1

    Hi. Thanks for a good video.I have changed the altetnator and battery. My alternator went bad in one month. Replaced it again. But the battery light is dim, not fully eliminating. What might he the cause?

    • @AutocornerdPros
      @AutocornerdPros  4 หลายเดือนก่อน +1

      Did you check alternator connections, ground terminals? You can read this guide:
      www.autocornerd.com/car-keeps-killing-alternator/

    • @ashikchesust
      @ashikchesust 3 หลายเดือนก่อน +1

      @@AutocornerdProsYes. I have checked the voltage. Checked the voltage drop. Seems alternator is good, voltage is fine, ground is good.

  • @neilconnolly6988
    @neilconnolly6988 2 หลายเดือนก่อน

    Hi, on my Mercedes Vito 639 2004, the battery light is on permanently , but as I am driving, the whole of the cluster goes out intermitently for about a second or so. I have replaced the battery but it is still occuring. External lights stay on, its just the dash lights and stereo.

  • @lisacannon2063
    @lisacannon2063 9 วันที่ผ่านมา

    I have replaced fuse ..alternator..battery..and serpentine belt..the battery light is barely visible ..what else can it be..cables are right and corrosive free

  • @juliusm.3412
    @juliusm.3412 3 หลายเดือนก่อน

    Hi! Thank you for the video! I just bought a 2013 Chevy Camero and after around 80 miles the battery sign came on, voltage dropped from 12.5 when it first came on to 11.2 within 20 Minutes. Replaced the alternator and everything was fine for 150 miles, then the same happened again. The only difference is that sometimes when standing or at super low rpm it does charge and go up to 14V but as soon as i accelerate it drops down to 12V again. I thought maybe the belt couldnt handle high rpms but the belt is rotating fine all the time. Do you have any idea what could be the issue? I'm afraid its something with the ecu telling the alternator to stop working or something or is that stupid?

    • @AutocornerdPros
      @AutocornerdPros  3 หลายเดือนก่อน

      So you mean when you rev high, voltage drops to 12V. Are you talking about alternator voltage or battery voltage?

    • @juliusm.3412
      @juliusm.3412 3 หลายเดือนก่อน

      @@AutocornerdPros well the connections are alright so I was talking about the voltage of the system measured anywhere
      Seemed to be the alternator - thank you!

  • @javierarias405
    @javierarias405 หลายเดือนก่อน

    Hi I have 2013 hunday elentra, my issue is when I push the gas pedal the battery light is flashing for 3 seconds and off but they continued do that for all my trips and replace the alternator but keep doing the same problem I have idea what wrong with my car.

    • @AutocornerdPros
      @AutocornerdPros  หลายเดือนก่อน

      Hey, please go to my site, I have a chatbot.

  • @kristiewalden6864
    @kristiewalden6864 6 วันที่ผ่านมา

    I have 2013 Toyota Sienna, new battery, good alternator, battery light still on, HELP!!!

  • @tesicbojan7339
    @tesicbojan7339 2 หลายเดือนก่อน +1

    Hello everyone, I have a problem with my car. When the gas pedal is pressed suddenly and the car reaches 3000+ RPM, there is a momentary power outage throughout the car (everything shuts off). This happens for a brief moment, and then the car continues to run normally. Some mechanics measured that at that moment the voltage drops to 13V. Almost all parts have been replaced (engine computer, new battery, alternator), but the problem still hasn't been resolved. I would appreciate any help if possible. Thanks in advance!

    • @AutocornerdPros
      @AutocornerdPros  2 หลายเดือนก่อน

      Hi, I have created this mechanic chatbot. Please check:
      www.autocornerd.com/mechanic-chatbot/

  • @ashikchesust
    @ashikchesust 3 หลายเดือนก่อน

    Hi. Can you give me an idea about my problem please.
    Battry light illuminating all the time but it’s dim. Flickers when load is high and low, like if I turn on AC. Also, rpm goes low at idle and battery light flickering. Recently changed the battery and alternator.

    • @AutocornerdPros
      @AutocornerdPros  3 หลายเดือนก่อน +1

      Could be tight serpentine belt. Also look for other components linked to serpentine belt

    • @ashikchesust
      @ashikchesust 3 หลายเดือนก่อน

      @@AutocornerdPros I will check. Thanks.

  • @eloiseglover7158
    @eloiseglover7158 2 หลายเดือนก่อน +2

    If a bolt not tightened enough will the battery light stay on

    • @AutocornerdPros
      @AutocornerdPros  หลายเดือนก่อน

      Bolt for what?

    • @geeraffaesparza3873
      @geeraffaesparza3873 หลายเดือนก่อน

      Yes it was like the first things he said on the video

  • @luisserafin7473
    @luisserafin7473 5 หลายเดือนก่อน

    Hello, I have a 2005 Mercedes Benz SL 500. My battery light has come on. Both my batteries have tested at 12 v with the engine off. I have driven the car at night with the lights on and the air conditioner on with no apparent power loss. The light will not come on until I’ve been driving several miles, then it will stay on until I stop the car. After letting the car sit for several hours and start the car again, the light will be off until I resume driving it again for a period of time. Do you have any recommendations of what I need you to check on this vehicle to determine why the light is intermittent. My thought is that if the alternator is bad, the batteries would drain and the car would stop. Aside from the light being on, I feel no loss of power or sign of battery drainage. Thank you. Any thing you can offer would be appreciated.

    • @AutocornerdPros
      @AutocornerdPros  5 หลายเดือนก่อน

      Did you check its relay? Also see ground connections. These could cause intermittent issues

    • @sammanna94
      @sammanna94 หลายเดือนก่อน

      Same thing i just make light disappear mercedes has way to many gadgets lights

  • @paakermohamed9746
    @paakermohamed9746 หลายเดือนก่อน

    My problem is battery indicator totally not work. Even vehicle not start.just cranc only. Nissan vannete 2009 model

  • @smithautomotive5029
    @smithautomotive5029 5 หลายเดือนก่อน +2

    Great vid

  • @iceman3819
    @iceman3819 หลายเดือนก่อน

    Guess what I've been through all that three times as a matter of fact and I still have a battery light on and it just came on right after replacing the dead battery and the bad alternator and yes they were all checked themselves and their components all the grounds are just fine and all of the fuses and relays they're all fine so what's up now

  • @marlondyer2337
    @marlondyer2337 หลายเดือนก่อน

    I have a4 audio my battery light keeps blinking everything is charging properly even if I switch on my switch let's play game also without starting the vehicle

  • @elliottstevens211
    @elliottstevens211 หลายเดือนก่อน

    Hi I've got a fiat qubo 14 reg. Just got a new alternator
    Now when I put the key in and turn it the battery light is on when I go to start the car it goes off for about 3 seconds then come back on
    I've taken it back to the garage where I had it done and they said all the work done on it was ok

  • @kipleonard282
    @kipleonard282 หลายเดือนก่อน

    What about a battery senor?