Question about Chevrolet Impala

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2000 impala 3800engine when sits battery drains

Has new battery alt. charging

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  • Chevrolet Master
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If the battery goes dead in a few days, something is "on" and draining it.
Someone will need to check the circuits to find the drain. You can pull all of the fuses or check each circuit one at a time with a test light.

Posted on Dec 09, 2012

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Posted on Jan 02, 2017

1fastbob
  • 301 Answers

SOURCE: Battery dies after car is sitting for 2 days. Alt

I assume you have replaced the battery? If not have it tested.

Check to see if a glove box light, trunk light or under hood light is staying on. Also you can remove the negative battery cable and then reinstall it. When reinstalling it, if you see a spark (other than just a very small one) there is a current draw on the battery. This current draw can be isolated by pulling one fuse at a time to see when the battery stops sparking on reconnect. It is possible you could have a shorted voltage regulator causing the current draw also. Many things can cause this problem.

Posted on Sep 24, 2009

  • 2 Answers

SOURCE: battery drains quickly

the starter could be draining it

Posted on Feb 28, 2009

  • 2 Answers

SOURCE: I have a 2000 chevy metro 4 cyl 1.3 the vehicle

thats a good question. very hard problem to fix. i had a 2005 colorado i went through 4 batteries in 3 years. chevy could not find problem. they said i had a drain. never did find it sold vechicle.

Posted on Feb 25, 2009

  • 115 Answers

SOURCE: 2000 caravan not charging. R&R alt, and batt.

Have the computer checked. On your vehicle the computer is what tells the alternator to turn on to start charging. If the alterantaor is not getting that signal from the computer you will have to replace the computer.

Posted on Dec 17, 2009

  • 66 Answers

SOURCE: Have a short or something draining battery.

Get a multimeter then disconnect the positive side of the battery. Measure the amp(current) between the terminal you just disconnected and the positive battery while the car is off. and have someone get a tweezer and pull out one at a time each fuse in the fuse box. When the amp goes down on the multimeter then you found out where in your car there is a short. Note the fuse you pulled out in your car manual. It could be radio shorting, domelight shorting. Sometimes kids drop pennys or coins in the radio disk slots shorting the radio or amplifier in the car is always on.

Posted on Mar 27, 2010

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1 Answer

New battery new alternator battery still wont charge ??


91 , (is the charge lamp glowing key on, (shoe drops)?????
there are many ways to make it stop doing 13.3v to 15vdc running,
lots. ill list them all..
the 2 stated. in blue above. and.
1: bad dash lamp this lamp boot staps the field current or the alternator is born dead. so is it dead key on, , yes, BINGO.

2: bad alt ground, or starter top bolt , ground to battery bad or loose.
3: bad wires to the rear of alt. all 3.
4: bad battery cables. (or just corroded ends or conn. wrong)!!!
5: alt belt loose or missing.
6: engine hot RPM not 750 to 850 Rpm if 500 BINGO.
and more.
http://www.fixkick.com/Charging/charging.html

here is the drawing.
IS the sense wire is dead, not 12vdc.???

http://www.fixkick.com/Charging/charge89.jpg


the reg inside can shut the ALT down for.
over voltage
over current.
or if it THINKS(sic) that the batter internal resistances is too high. for ANY REASON what so ever. it will shut down
these protections prevents the ALt. from blowing expensive electronics (all of it) to kingdom come. $$$$$

its a feature.

Jul 08, 2014 | 1991 Suzuki Sidekick

1 Answer

Alternator not charging


is it charging at 14.9 ? 14. any thing is at 1000rpms ( no lights or radio etc working) 13.23 to 13.86 volt is good enough to charge battery. what is the charge rate.

Jan 30, 2014 | Acura CL Cars & Trucks

1 Answer

Charging system voltage low


there are only 3 parts. but the causes are 25 or more.
1: belt missing slipping,
2: engine rpm below 800 RPM (lots of ways ,ask )
3: ALT had.
4: wiring to ALT bad.
5: bad battery or its connections, (wires)
6: bad fuse. see fuse link a11? on fFM page 20?
7: car is PCM alt controlled, it can be bad too. see 2 field wires on ALT and PCM on page 20? below?
8: battery temp sensor bad. making PCM think battery overheats.
the fSM covers all tests above.

pick car here, then pick charging.
5 alternators used on the 5 diffr.engines. got the wrong one?

the see wiring diagrams at end and chapter 20 inside, charge.
pdf page 118 for gas engine, if diesel next few.

Jan 07, 2014 | 1998 Jeep Cherokee

1 Answer

ALTERNATOR wont charge


What is the idle speed? Are you sure the belt is routed correctly?

Apr 26, 2013 | 1993 Mazda MX-3

1 Answer

98 nissan altima will not charge battary, change alt and has new battery but still showing not charge


Check the gauge isn't fautly it might have broke!!! or there might be a louse connection!

Jan 22, 2013 | 1998 Nissan Altima

2 Answers

Light stays on . i have a new alt and new battery and new wire leading from battery to starter to alt. if i disconect the battery the car dies. the alt was bench tested and puts out 15.1 volts yet wont...


Check the drive belt tension and wiring connection at the alternator and at the battery. Check for a blown fuse in the fuse block . -hope this helps

Feb 24, 2010 | 1985 Cadillac DeVille

2 Answers

Can a bad alternator cuase a car not to turn over even with a new battery


no if you have a good batt you don't need alt the alt charges batt after you start the car

Jan 21, 2010 | 1991 Dodge Stealth

1 Answer

Not charging


First tell me why you don't think it's charging.
Because of the voltage reading you are getting at the battery terminals? The range you want is between 13.6v to 14.2v. The higher the voltage the lower the amps. and true the other way, the lower the voltage the higher the amps. If you get a reading of 13.6v or lower, the alt is nearing or at max output. An alt can only run at maximum for around fifteen minutes and it will start slinging solder from overheating. It's a good indication the battery is either totally dead or junk. Charging above 14.2 the alternater is running wide open and is only putting out high volts which will cause the battery to boil , in turn destroying it. This is a bad alternater. All alternaters have integrated voltage regulater with the exception of ver few of the earlier ones. You cannot test an alternater by removing a battery cable to see if the engine keeps running without taking great risk of damaging the alt, regulator. So tell me why you feel it isn't charging. Remember an alt is not made to charge dead batteries. Their sole function is to maintain the battery charge. Without a battery, the alt won't last 10 seconds.
Hope to hear from you and good luck.

Sep 23, 2009 | 1986 Chrysler LeBaron

2 Answers

Elec problem between alternator and battery


Rest at ease the 14 volts will not hurt your system idealy your alt will charge at around 14 to 14,5 volts at the alternator and probably have a slightly lower charge rate at your battery at around 14 to 13.5 at the battery this is completely normal

Jan 22, 2009 | 1997 Dodge Caravan

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