Car Battery Keeps Dying But Alternator Is Good Reddit : Can A Bad Car Battery Cause Engine Computer Problems Flagship One Inc / I tried to restart it and nothing.. Battery and alternator test fine. My battery keeps dying out on me, i replaced my battery with a new one twice. I replaced them all brand new and my battery still keeps dying on me. My car has 94000 miles. The alternator is essentially a generator and it keeps your battery charged while supplying additional electrical power for the other systems in the vehicle.
However, even though the alternator is good, the battery may keep dying. Your alternator may be working okay when it's cold but when it starts to heat soak check to see if it looses more and more voltage. Due to being a 6 speed manual, i was unable to get a car start installed from factory so honda recommended i get it installed at custom auto approx. Battery was under warranty, so i took it back to pep boys, where i'd originally bought it. If it's providing a good output, then inspect the cable carefully.
I was driving home from work when my dash lit up warning me my charging. The battery light stays on but sometimes will go off for a few seconds. Most common is a bad diode causing battery to drain. The lights are coming on but it wont turn start my car at all. The wire running from the alternator to the battery could be faulty, so even though the alternator is working, the power is not getting to the battery. Due to being a 6 speed manual, i was unable to get a car start installed from factory so honda recommended i get it installed at custom auto approx. Running with accessories off you should see voltage of about 13.5 to 14.5. Don't actually own one myself and know very little about cars in general.
The car currently can only be jump started.
My car keeps dying when im driving and when i try to jump it sometimes it wont do anything at all and then a few days later starts right up. When jumped, my car starts right up, and today i drove it maybe 10 miles and then left it running in my driveway for an hour. The voltage regulator seems to be built into the alternator so i ruled that out with the bench test. Find out how to test an alternator. My car has an automatic transmission. I replaced them all brand new and my battery still keeps dying on me. If the alternator is in bad shape, it's common for the battery to dye more often due to undercharging. So the message on the dash could just mean a bad battery. Two minutes later it died. If the car wont start, but will start with a jump, and then keep running, then it more than likely is the battery. If it dips or your red battery light comes on it typically indicates a charging system issue. First, dont check your alternator that way anymore. Aaa tested my battery, alternator and starter and said everything was good.
When your car battery dies once, it may be tempting to just write it off as a fluke. The wire running from the alternator to the battery could be faulty, so even though the alternator is working, the power is not getting to the battery. But when your car battery keeps dying over and over again, it's a pretty safe bet that there's an underlying problem that needs to be dealt with before you end up. Posted on feb 25, 2009. Your alternator may be working okay when it's cold but when it starts to heat soak check to see if it looses more and more voltage.
I took the alternator back out and to the shop where they bench tested it and told me it was good. I had starter problems then my alternator went out. I had to replace the battery and alternator about a month ago. I can not think of anything draining the battery out. If you have a new alternator and your battery keeps dying on you, then there's definitely a problem that you're going to need to look into. But when your car battery keeps dying over and over again, it's a pretty safe bet that there's an underlying problem that needs to be dealt with before you end up. The battery light stays on but sometimes will go off for a few seconds. The lights are coming on but it wont turn start my car at all.
If you have a new alternator and your battery keeps dying on you, then there's definitely a problem that you're going to need to look into.
I would start by checking the 100a alternator fuse, then testing the power at the battery or wire while the car is running. Using a multimeter set to measure current (amps), should you have current flow between the battery and alternator (with. To check the alternator output, first, make sure the fuses are good. My car keeps dying when im driving and when i try to jump it sometimes it wont do anything at all and then a few days later starts right up. Fixing your battery or alternator can be an expensive repair. I replaced them all brand new and my battery still keeps dying on me. Battery is new and alternator tested good. Find out how to test an alternator. I was driving home from work when my dash lit up warning me my charging. I guess that is when the alternator will charge the battery a little bit, but the light will then come back on and the car will die again. Running with accessories off you should see voltage of about 13.5 to 14.5. Posted on feb 25, 2009. So the message on the dash could just mean a bad battery.
Two minutes later it died. Your alternator may be working okay when it's cold but when it starts to heat soak check to see if it looses more and more voltage. I guess that is when the alternator will charge the battery a little bit, but the light will then come back on and the car will die again. Why does my car keep dying even with a new battery and alternator? The battery light stays on but sometimes will go off for a few seconds.
If it's providing a good output, then inspect the cable carefully. My car has an automatic transmission. If it dips or your red battery light comes on it typically indicates a charging system issue. So i hope this wont get removed again. I had starter problems then my alternator went out. Car batteries can die for a huge range of different reasons, and there's always the chance that whatever went wrong won't go wrong again. The lights are coming on but it wont turn start my car at all. To check the alternator output, first, make sure the fuses are good.
I tested the alternator at auto store and it passed.
Aaa tested my battery, alternator and starter and said everything was good. Battery and alternator test fine. I was driving home from work when my dash lit up warning me my charging. In summary, a faulty alternator can drain your vehicles 'battery. I guess that is when the alternator will charge the battery a little bit, but the light will then come back on and the car will die again. Using a multimeter set to measure current (amps), should you have current flow between the battery and alternator (with. It's not good to do on newer systems! Running with accessories off you should see voltage of about 13.5 to 14.5. If it's providing a good output, then inspect the cable carefully. There are a few reasons that your car battery could keep dying even if your alternator is good. I can not think of anything draining the battery out. Autozone says alternator is good but battery keeps dying. Any suggestions and another thing my car sometimes when left running at park, would shut off by itself.