Solenoid or battery *Check the alternator as well. When my Camry did that, the battery and alternator both needed replacement. -andey78
Car batteries get re-charged by the alternator. If your battery recently went dead, "miles" is not what is measured to recharge the battery, "time" is used. I'd leave the car running for 15-30 minutes. Driving for this amount of time too is fine. If the battery goes dead again, probably a bad battery or bad alternator, or sometimes a bad alternator makes the battery go bad and they both need repaired. (typically a new alternator is $120 - $200)
Wrong alternator or new alternator is bad. no resetting needed
if the light get brighter when your driving then its your alternator so a new one will be needed
Either battery or alternator going bad, Advance Auto, or Auto Zone can check this for you! This happened to my truck, but my memory is not to good! More likely the alternator. yeah this happened to me on the freeway, i figured the computer needed to be reset but when the brake and battery lights go on, the alternator is going bad and you might have a half day of driving before it drains your battery
on my old 1.2 clio the battery light came on as there was fault with the alternator and it needed replacing. As far as i know the battery light comes on when the battery is not charging or there is a fault with the battery.
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Only disconnect it when ready to replace the alternator. The primary function of the battery is to store electricity needed to start the car. Secondarily, it stores electricity for use powering the electrical items on the car when the engine is off. If the alternator is not producing sufficient power to run the engine, the battery takes over. Once the battery is drained of its power, the engine will stop. You can jump-start a car whose alternator is faulty but battery is connected, and the car may run for a short time before the battery dies. If there is no battery, the car will start but not stay running once the jump device or cables are disconnected.
A good lead/acid battery will measure about 13.2 vdc. If that is happening it seems to be good. A load test at your local battery sales point would tell you if it is bad. There are amp probes that clamp on the battery lead and will show the current flowing. If the car is starting and you are seeing a higher than 13.2 vdc at the battery (switching to 13.2 when the battery is charged) then the alternator is working and the battery is good. Clean terminals are needed.
Save the radio codes. Write them down if required. Disconnect the positive lead of the battery. Disconnect and mark or take a closeup picture of the leads on the back of the alternator. Loosen the alternator belt, note the belt routing, and draw a picture if needed. Slip belt off alternator pulley and remove mounting bolts on alternator. Lift alternator out of unit.
i had the same problem with my 1999 Nissan maxima and i needed a new alternator so get that checked first turn your car on and disconnect the positive on your battery, if the car shuts down your alternator is bad
You could have killed some or all the cells in the battery. You need to replace both battery and alternator at the same time. I had the same problem. After I replaced both I've had no more problems. Take battery and alternator to auto Zone or Advanced Auto so they can test them. Buy new battery and alternator if needed. Fly wheel (Not sure what it is really called) where starter goes could be bad causing starters to wear out.
could be a couple issues.....first could be ...the alternator only charges the battery when needed. This is controlled by a voltage sensor in the alternator..when the sensor detects a voltage lower than like 10.6 volts the sesor makes the alternator charge the battery...if it charged all the time it would boil the battery dry in a very short time....make sense?...ok Check your battery cables and make sure they are in good condition and do not have any soft areas...this could be a break in the cable (under the sheath)...if you find a bad cable...repair or replace it...start at the battery positive and follow it to the starter solenoid...then check the small guage wire at the battery positive terminal and check it back to the alternator....make sure all connections are clean and tight....hope this helps
In a standard gasoline engine, power is initially only needed from the battery to kick the spark plugs, after that the alternator takes over- keeping the battery level up and powering your electrical systems.
The rattling may be the bearings going out of your alternator. Batteries normally do not rattle. If the bearings are going out they may begin to seize up and instead of the alternator pulley turning, the belt is slipping on the pulley as the bearings get tight. Take the belt off the alternator pulley and see if you feel and grinding or tightness when you spin the pulley. If you do, change it out now. The reason the lights are going dim is because your alternator is not spinnign at the needed rpms to keep the battery charged and thus the dimming and slowing eventually you will have a dead battery too boot.
To change an alternator: 1. Remove the battery ground wire. 2. Unplug or disconnect the wires to the alternator. 3. Loosen the adjuster bolt and if needed the mounting bolt so the alternator will move to the side to take the drive belt off. 4. Take out the bolts and lift out the alternator. Installation is the reverse of the above. Be sure to adjust the belt to proper tension.
Powers the starter motor and all the other electrics in the car when the engine is not running. When the engine is running, the battery is not needed because the alternator of which works very much like a bicycle dynamo runs all of the electrics in the car. It also keeps the battery charged. If fitted to a bicycle a dynamo will generate electricity to the bike lights when you peddle. An alternator does the same thing but with engine power instead of peddle power. the only difference between a dynamo and an alternator is that an alternator alternates the current from AC to DC a dynamo does not.
Yes. However the alternator may also be bad as it will usually keep the car running once started. The primary duty of the battery is to start the car, and then supply reserve power if needed.
one is most places test for free. but the easy at home way to check is get your car jump started if its not starting on its own. after its running, pull the negative off the battery taking special car not to arc your wrench on anything. if its keeps running, alternator is good. if it dies, get it replaced. if the alternator is bad, it may have killed the battery, so get it tested and replaced if needed.
In an automobile the battery voltage is controlled by a regulator unit wired along with the battery. It limits voltage and protects lamps as well as electronic devices from higher voltages obtained when a fresh battery is charged to its full capacity. A battery is usually rated at 12 volts but when charged it may have a voltage of 12.6 to 13.2V. A regulator is also needed during charging by the alternator since at higher RPMs the alternator may deliver voltages in excess of 17 to 18 volts.
It produces from 13.5 to 15.5 volts but it produces high amperage. It only produces that voltage as that is all that is needed to recharge a 12 volt battery.
release the belt tension at the auto tensioner remove the belt at the alternator only remove the three holddown bolts using a 10 mm socket and ratchet remove the battery wire in back of alternator using a small pick remove the remaining wiring harness if needed remove the pulley to install reverse the above procedure forgot to mention remove the positive connection at the battery
Here are some few more steps, in addition to the previously mentioned steps, that could help you in your repalcement: 1. Open the hood and locate your vehicle's alternator. 2. Using your digital multi-meter, check the battery voltage. A dead battery will usually have less than 9 volts. This would not be enough power to start most vehicles. 3. To verify that your alternator is bad, make sure your battery is fully charged and can pass a load test. 4. With the good battery installed, connect your digital multi-meter across the battery terminals with the engine turned off. A good battery should read between 12-13 volts. 5. Start your engine and read the digital multi-meter's output. The voltage should rise near 13.5-14.5 volts. 6. Using an open end wrench, disconnect the battery's negative cable 7. Disconnect the power and ground wires on the back of the alternator paying close attention to where each wire connects. Disconnect the wiring harness connector. 8. Loosen the alternator bracket bolts, and alternator adjusting bolts or alternator belt tensioner so that you can remove the alternator drive belt. 9. Using the proper size socket and ratchet, remove the alternator mounting bolts, spacer (if equipped), adjusting bolt, lower pivot bolt (if equipped), and the alternator. 10. Install new alternator. 11. Using the proper size socket and ratchet, loosely install the alternator mounting bolts, spacer (if equipped), adjusting bolt and lower pivot bolt (if equipped). 12. Install the alternator belt. 13. Pull the alternator until the alternator belt is tight. 14. Tighten the alternator mounting bolts while gently moving the alternator unit to achieve proper alternator belt tension. 15. Reinstall the power and ground wires to alternator. Install the wiring harness connector. 16. Push down in the middle of the alternator belt to check belt tension. If the alternator belt moves more than a half an inch, it is too loose, adjust the alternator belt to proper tension before proceeding to next step. 17. Now that the alternator belt has been installed and adjusted, reconnect the negative battery cable. Start the engine and check the battery voltage to verify proper alternator charging. 18. Turn off the engine and recheck the alternator belt tension. Readjust the alternator belt tension if needed. Disconnect the battery. Then unplug the alternator and take the belts off. Unbolt it. Put a new one back on. Bolt it in. Put belts back on. Plug it back in. Reconnect the battery. Viola! Replaced alternator.
The battery in your car does not constantly charge while driving. Electricity is needed to run the headlights, starter, radio, etc. In order to save wear on the alternator/generator, the battery is sometimes used to power these electrical devices as your car's internal sensors see fit. When the battery's charge drops below a certain voltage, the alternator kicks in again to keep the battery at its optimum level.
The voltage regulator for a 1995 Saturn SL2 is in the alternator. Check your charging voltage after the engine is started and has run a few minutes. Should be better than 14 to 15 volts at the battery terminals. Make sure the battery terminals are clean and tight. Had a neighbor replace alternator, battery and starter and all he needed was a good connection to the battery, which I supplied. To load test the alternator, turn on the headlights on high beam, heater fan to top speed and the rear window defoger. Battery voltage should not drop more than 0.25 volts with the engine turning a little faster than idle. Hope this helps.