Battery won't keep a charge

https://www.youtube.com/watch?v=AvLbb48tQPw&t=422s

auto electrician test for power drain would have saved you lot of money than guessing and replacing parts

Get each and every part separately bench tested and get the voltage test of each part.The battery,alternator and Voltage regular.For step by step troubleshooting,click the link below:

http://alltypesofpartsreplacing.blogspot.com/2012/11/car-battery-warning-light-battery.html

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This will help.

Thanks.

voltage regulator. it may be in the alternator, or remote mounted. ((the alternator can be charging, but if voltage regulator is'nt working then it won't allow voltage to get back to the battery to keep it charged

First, check the belt that runs the alternaotor, make sure it is'nt slipping...

Then have the alternator checked out, this is probably your culprit; as the alternator slowly wears out, it will still send current, but not at the peak performance. if the alternator checks out fine, inspect wiring harness to make sure all connections are good.

You havent said if you've tested the alternator. The alternator charges the battery. If the alternator doesnt charge, then everytime the battery is used (starting, lights etc), this will eventually flatten the battery. If you can confirm that the alternator is charging, then check your battery. Open the caps on the top andsee if you have any water in the battery-top up to just below the cell inner-lip with DISTILLED water, try to start it (even if u need to jump start it) and drive around for about 30 mins or more to give time to charge the battery (engine has to be at above idle). If you try this for a few times and still no sign of the battery charging, the battery may need to be replaced.

can i suggest you kill it !!!!!! sorry but there is a draw on the battery ,,,, disconnect each item one at a time till battery dont spark at lugs when you disconnect them ,,, seriousy loossen lug on battery and if no power draw no spark wil be present... maby alittle one cos radio takes a really small current

YOUR ALTERNATOR NOT WORKING.HAVE BATTERY CHARGED UP.YOU SHOULD HAVE 12.6 VOLTS IF BATTERY FULLY CHARGED OR NEW.START THE ENGINE.WITH ENGINE IDLING YOU SHOULD HAVE 13.5 - 14.5 VOLTS AT THE BATTERY.IF NOT.ALTERNATOR NOT CHARGING BATTERY.BEFORE REPLACING ALTERNATOR, MAKE SURE DRIVE BELT NOT SLIPPING,CHECK ALTERNATOR FUSE,CHECK ALTERNATOR POWER FEED WIRE AND VOLTAGE REGULATOR WIRES FOR DAMAGE AND LOOSE CONNECTIONS. BEFORE DISCONNECTING NEGATIVE BATTERY CABLE TO MAKE REPAIR, TURN OFF RADIO FIRST TO KEEP FROM LOCKING IT OUT.

It sounds like you need a new starter. If you hear the starter click when you turn the key to start, replace your starter since you already replaced the battery. You might want to have your alternator checked out, or when you get your car started, test the battery terminals with a multimeter. You should have around 14 volts with the car running. If not, you will need a new alternator. The alternator won't keep the car from starting though, unless the battery was drained because it wasn't charged. Even then it is the battery keeping the car from starting.

If the starter is not clicking, check your fuses under the hood. If all checks out, you may have a bad ignition switch.

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

mcdevito75 here, The replaced alternator should have a warrantee, bring it back to the shop that replaced it. If you did the work yourself and even if it's a rebuilt, you should still be able to exchange it. Some manufactureres recommend a new alternator and not rebuilt, plus if you"ve added any moe electrical items you"ll need a stromger alternator (higher amp).