new battery new alternator but car won't start

When your car battery dies once, it may be tempting to just write it off as a fluke. bummer to say, but you can get that many bad ones. I replaced the battery and had the cables tightened and it ran for a few days and then it died again. If your battery is good, and your alternator isn’t working, the battery will still lose its charge because the alternator isn’t keeping it charged. A dead car battery is the first sign that something might be wrong with the alternator. Try to get as much information as possible so that you can get the right parts quickly when you go to the auto store. 3 people found this helpful. If the battery is working properly and nothing is wrong with it, then it's the alternator that will more likely cause a problem. Battery issues may also stem from faulty wiring and disconnections. Battery or alternator: what’s causing the problem? An auto battery supplies a big electric charge that travels through the starting system and turns some gears to start the car. there are neutral safety switches in both the automatic and stick shift versions of most vehicles. CCA – Cold Cranking Amps. What is likely the problem? I have a brand new alternator and brand new battery that were both purchased and installed yesterday. If your car won’t start, it’s often due to a malfunction of either the battery or the alternator. This is a no crank, no start situation. – You have a bad starter. I also have a new alternator that tested good. Look for any of these signs of a bad starter: Your engine will not start An alternator typically lasts for 8-12 years, so it isn’t something that has to be replaced as often as other parts like the battery. Test the alternator to make sure that it can start up the battery. I have 1997 Toyota Corolla that hasn't been starting. There is also a starter relay in the fuse box on some vehicles. The car sounds weak when trying to start and won't start unless I jump it. Once the car is running, the alternator sends current back to recharge the battery as you drive. If it’s one of those two, placing the blame can be relatively simple. red lead to pos, black to neg. If your battery doesn’t register any voltage, you have a dead battery, and you need to visit a car shop to purchase a new battery. We took the battery to Autozone, and the battery was completely dead after a jump start and running the car the day before. We took the battery off and charged it on a charger and the car started great. If turning the key to Start doesn’t produce any noise, then the ignition switch or … There are a number of reasons this could happen. The higher the CCA, the greater the starting power of the battery. If you can do this then you can probably rule out the alternator. 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. Your vehicle’s starter is responsible for transferring the electrical current received by the battery to the starter solenoid to crank the engine and get it going. Car won't start at times, but battery, alternator, starter are good I have a 2013 CRV that I have had a problem starting. Signs the Alternator has Failed: Won't start (again); has new alternator & new battery This has happened several times since I bought this car used (has 80,000 miles on it but in fab shape); car sits for 1 or 2 days (usually over the weekend) and then won't start at all! But the car won't start now and sometimes the interior lights, headlights, etc. Now it won't start at all. Test the Alternator I case you tested your battery and found out that it works fine, you need to test the alternator to be sure that it can charge up the battery. Car won’t start after sitting overnight; Car won’t start unless you give it gas; If you’ve experienced these signs, there is a high probability you have a dying or dead battery on your hands, helping bring the battery vs alternator debate to a successful conclusion. Nothing was taking power from the battery. Slow-cranking engine – If your car does eventually start—and keeps running—you may have a failing battery, not a failing alternator. If your alternator fails, your battery will lose its charge since the alternator won’t be able to keep it charged up. :rantsmiley: I don't know what else it could be and the fact that I just spent that money for nothing bothers me anymore. Do This Before Buying a new Battery or Alternator If your car battery won’t hold a charge, is completely dead or starts with a jump, but then won’t start again… This article is for you. I have a new battery that is showing 13.5volts via ecmlink and autozone determined was good. If I get a jump the car will work for a few days, but it always won't start within the week. For 2 months or so, It has been difficult to start (barely cranking at first) before I got a new battery. I get up this morning and my car won't start!! Below are 5 common reasons why your car won’t start and some advice to ensure your car stays in its top shape! The battery, alternator and starter were tested by AAA, and are supposedly good. It is often an … 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 battery charged, and he could drive. Faulty fuse. Set it to volts D/C. I jumped his car for him. Starting and running an engine, in its simplest form, is a three-step process. check the battery cables to see if they are clean. A dead battery is your initial sign that something could be wrong with the alternator. If the new battery is the wrong size, it will not fit properly in the battery tray or not be secured by the hold-down clamp or strap. So I replaced the alternator, and it worked for a few days and then stopped working again. hook it up to the battery with the engine running. Battery dead again. I would start with checking all the battery connections since the battery was just changed. It is also important that not only is the battery OK, but that it is also correctly charged by the alternator. New Battery, New Alternator, Car Won’t Start. If your alternator, coil, battery, or starter is bad, the car probably won't start, and it definitely won't be drivable. If the alternator was bad you may have a low battery as it was running off the battery; with the dash lights, fuel pump running your battery may not have enough power to turn the starter over. Bad Ignition Switch. It is, therefore, recommendable … This isn’t necessarily true considering there are several different parts that are involved in starting your vehicle. This defines a battery’s ability to start an engine in cold temperatures. Tried to start my car 2 days ago – got absolutely nothing (no power to the seats, radio, no trying to start or turn over… no sound at all). won't come on. It has a new battery and a new alternator. There is often a huge fuse connected to the alternator’s big power cable. • If nothing happens when you start the car, either the battery or alternator is faulty. Car does not start despite the new battery When starting the engine, it is not just the voltage supply from the starter battery that plays a decisive role. There are many other possible problems that could lead to the fact that, after you’ve replaced the battery, the car won’t start. Before you go out and order a new battery or alternator, test some of these different systems. So, you’ll want to check for the below signs to determine if it’s just the battery or if it’s the alternator. One or more of several key systems might not run properly, or there could be a serious malfunction with the electrical system. – The cells are not filled with the proper amount of water. You should check for corrosion on the battery terminals or if the connection is too tight. Potential problems: – A fuse is blown. could be a wiring problem too, but the alternator is easy to test yourself with a cheapy multimeter. Usually, when your car doesn’t start right up, you may immediately suspect that the battery has died. Check out common car parts when seeking car part replacements. I had a new alternator put on my 1998 V6 accord coupe in December. you should have 13.5-14.5 volts or so. charge the battery and try it again, you might try boosting it but if your battery has something going on inside you may inject other problems that is why I recommend charging the battery. It was obvious after they told me the cable sparked, but may not be obvious for some people. To help you determine whether the starter, alternator or indeed the battery are at fault, let’s take a look at each of their roles and what could occur to indicate which element has failed. Jump starting your car or truck does not turn over the engine at all. Another common reason for your car won’t start, but the battery is good is a bad starter. A simple test to check the working of the alternator is by running your car; and then unplugging the positive connection of the battery. The next day, his car wouldn't start again. Bulging battery case – Exposure to extreme cold-heat fluctuations can cause your car battery to swell up. If your new car battery still won’t start, read the following for a breakdown of the most common reasons this might be happening. Evaluating Your Car’s Key Systems for Possible Failure.

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