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Why does a car not start when a new battery and starter motor have been fitted?
Answer Just because a Battery is new doesn't mean that it's fully charged and some starters are known to fail, the way you can find this out if either has failed is to get a volt and or amp meter and check if power is going from the Battery to the Starter and in the case of the Battery check how many volts are available. If there are only ten volts, that could be the cause of your car not starting.
What is battery volts high?
Alternator is sending to much volts to battery. Suppose to turn itself off when battery gets to around 13 volts. May need new alternator.
Why would a car with a new battery not start and once you give the battery a jump it starts it's a 1999 Mercedes c230?
probably has a bad alternator. With the car running use a digital multimeter an you should have 13 + volts (as high as 14.5+) at the battery terminals if the alternator is working. If only 12 volts or so then check the alternator.
Why would your car battery die if you just bought a new one?
It could die if you left you car lights on or if you drove allot. If the new battery went dead then either your alternator is defective or something is on pulling power from the battery. Can be trunk, under hood, or glove box light. Can also be a relay that is sticking. Check the output of the alternator which should be 13.5 volts to 15.5 volts with the engine idling. It can also be that the new battery your bought is defective. Not likely, but possible.
I recently installed a new stereo system into my car now my car sounds like my battery is weak is it my battery that I have to change or my alternator?
Check the battery with a vom meter while the engine is running. It should read about 14.5 volts and if so the alternator is working, than have the battery checked Now if the meter does not read 14.5 volts, have the battery, and the alternator checked. If they both check out okay, the problem is in the battery or the alternator circuit on the vehicle.
How many volts are in a car battery?
Everyone says a car battery's voltage is "12 volts" but it varies according to how full up it is with electrical charge. A fully-charged car battery in as-new condition can have a voltage of 12.6 volts when it is not delivering any load current.Some import cars only carry a nominal six volts.It will read 12.6 volts with a digital volt meter if it is fully charge and the engine is not running.12.4 at 75% charge.12.2 at 50% charge.12.0 at 25% charge.With the engine running you should get a reading of between 13.5 & 15.5 volts if the alternator is working properly.12VDC for most cars or 24VDC for some trucks or large vehcles.A fully charged 12 volt auto battery will read 12.6 volts with a digital volt meter.
My volts meter on the dash does not stay at 13 volts new battery put in new post terminals?
Have your alternator tested it sounds like it is not charging.
How many volts should a new alternator put out?
Most alternators should put out between 14-14.5 volts, and this would be the reading if you have everything else turned off in your car (no Air conditioning, no radio, etc.)If they get too much over that they can damage the battery causing it to literally explode.
What is high volt?
Alternator is sending to much volts to battery. Suppose to turn itself off when battery gets to around 13 volts. May need new alternator.
What are the symptoms that your car might need a new alternator?
Battery not being kept charged. Drive the car to most Auto Parts stores. They will check the alternator for free. Or, if you have a multimeter, check the voltage at the battery terminals with the engine running. Should be from 13.5-15 volts.
Your car ran for a hour then just stopped tried to start again but it just clicks does not turn over there is 12 volts to battery and coil the clicking sounds like it comes from the coil or cdi?
Try a new or other battery. You need around 14 volts to start vehicle. If vehicle starts with other or new battery. Then have your alternator check. Any Auto Zone will check it for FREE.
How do you troubleshoot a cmos battery?
Test the voltage of the battery. if the voltage is below the rating of a new battery (For a CR203 it would be 3.6 volts) it is defective.
