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Why new battery and alternator won't hold a charge when car is running?
The alternator does not hold a charge. It charges the battery. If it will not charge the battery then either the alternator is defective, battery is defective, or the connections are corroded or loose. You should read 13.5 to 15.5 volts at the battery with the engine idling. Check it with a DC volt meter. If you get less the alternator is defective. If you get much more the voltage regulator is defective.
If you put a new alternator in and a new volt reg what would cause a 91 f250 diesel to not charge?
Dead Battery. Are you sure your battery can maintain or hold a charge?
Why will my 2001 Chevy Impala LS not hold charge in a new battery?
if its a new battery then you need to replace your alternator. It basically recharges your battery while the vehicle is running.
Why wont battery hold charge when alternator and battery are new?
There is something on that is pulling power from the battery. Any light or any relay that is stuck will drain the battery.
My new battery doesn't hold a charge?
bad alternator. i had the same problem. My old battery seemed dead so i replaced it with a new one. the new one was fine for a couple of days then the battery charge light came on again. i had the alternator tested it was done for. ...or it could be bad connections or wire. have it tested.
ECU for a 1999 Kia Sephia?
put in new alternator but it will not charge battery. alternator was tested and found to be good. why wont it charge the battery?
If your battery does not hold a charge do you need a new battery or alternator?
Probably alternater if the battery is less than 5 years old, may be the battery, may be both, may be neither.
Why won't my battery keep a charge?
When a battery reaches the point where it will not hold a charge, either your alternator is bad, or (much more likely) the battery has reached the end of it's useful life. The only solution is a new battery. Any retailer who will replace your battery while you wait will also be able to check your alternator.
Just installed a new alternator and belt on 1999 blazer - the new alternator is very hot your husband has leather hands and says it very hot Everything is grounded properly?
is your battery Low or poor?? Charge your battery on slow charge for 8hrs to give it a good deep charge, Installing an alternator on a low or dead battery will ruin it and also not charge your battery properly.. An alternator is not a battery charger its a battery maintainer!!
Why your alternator does not charge the battery in your Pontiac firebird 1991 v6 3.1l you have bought new alternator What shall you do?
Repair the alternator to battery connections or replace the battery.
What should you do if battery was not charged before installing new alternator?
My advice is to charge the battery with a battery charger before starting the engine. You will be putting a heavy load on the alternator if you allow it to charge a dead battery. This could damage the alternator.
Why alternator will not charge battery on 2005 ford focus... New alternator new battery replaced already?
Voltage regulator or loose wire.
