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98 s10 2.2L Charging Issues, cleaned grounds and terminals, alternator and battery checked out fine, ran a code scanner..nothing showed up. it will hold 14v + and when it gets to operating temperatre it drains the battery and shuts off? NEED HELP ASAP

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What process did you use to check alternator ? Ive always taken it in to auto store to have it tested.. I don't recommend it but when its running you can disconnect battery terminals + from battery and if vehicle stalls out then its for sure alternator..

Posted on Apr 28, 2013

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Posted on Jan 02, 2017

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SOURCE: 98 Jetta...stopped while driving

During this past winter, I was driving my 98 Jetta GL and it suddenly shut down in the middle of the road. It restarted but would only go a little ways before doing the same thing. I got it checked out and it turns out I had to get new fuses. I knew someone who could put them in it was very cheap to fix.

Posted on May 11, 2009

BCAS1298
  • 3092 Answers

SOURCE: New battery went dead. Alternator tested with

No that's good alternator voltage, you could have a defective battery or if it don't start after sitting for a whole could have an elec. draw, if this is the case disconnect the neg. terminal and hook a test light at cable end and the pointer at battery if test light lights up you have a draw, remove dome light fuse and light bulb under hook, start pulling one fuse( under the hood and on the side on dash ) at a time and keep an eye on the test light when light goes out that's the problem, check that circit.

Posted on Jan 08, 2010

SOURCE: tHE BATTERY IS DRAINING OVERNIGHT. ALTERNATOR IS

If the battery is draining at all ,beyond 40 milli amps continuous,which is what keeps the radio clock,pcm (computer) and other devices powered up,then something is not timing out,such as windows,door locks,on the LS the radio etc. Retained memory is just that or it goes to sleep ie no current flow. I won't go into how you check current flow but it is fairly easy. The time consuming task will be to find the offender. You could pull all the fuses and replace them one at a time,but need an ampere meter in the circuit,so that's why I won't go into it. Now fuses alone are just a start and time here is limited. The LS has an awfull lot of stuff. I have a 2004. Even the Alt and a long list of things could cause this.

Posted on Feb 11, 2010

fordfixer
  • 58 Answers

SOURCE: Ford 2003 Expedition EB. Check Charging System

Its probably the alternator. It will need to be tested on the vehicle with the engine running and the light illuminated. Measure the battery voltage with the engine running. It should be at least 13.5 volts. If it is lower have the alternator tested at a shop with a charging system tester.

Posted on Feb 27, 2010

  • 869 Answers

SOURCE: 2007, Mercury Milan battery keeps draining =, car

there can be electrical issues like lose wiring..check all the wiring.. there are not many reasons because of which a battery drains out..

Posted on Dec 28, 2010

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Sounds like the alternator is not charging the battery - - if you can charge the battery with a booster I would check the alternator output.
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Sounds like you have a dead battery again. Who install you battery? Did they check out the charging circuit on your auto. If a professional mechanic installed your battery then have him check everything out; such as, cleaned battery terminals, the ground strap is solidly connected the body, charging system is working. If a professional mechanic didn't install you battery.


Remove the battery from the car/truck and have it fully charged. Clean the ground and positive terminals with wire brush until the lead is bright and all the corrosion is gone. Clean the battery terminals until the batter terminals are bright. Get a couple anti-corrosive felt disk---they look like two big felt washers, one red (+) and other is black (-). Insatll the battery and make sure the terminals are tight. Start the car/truck and while the vehicle is running take a voltage test across the battery with multimeter, volt meter, etc. The voltage across the battery while the vehicle is running should be 13.8V to 14.1 volts. If not, Have the alternator check out!

Like you said you have had everything check out. Check it out again. If everything check out again then there is a internal component, wiring shorted which pulling current the battery and could drain the batter of current within a few days.



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Try cleaning all your ground spots between the alternator and battery. Start by making sure the alternator and where it connects to the engine are clean and shiny. Make sure the ground strap between the engine and body is good and clean up the ends. Also clean the battery ground to the body and at the battery terminal.
If you want you can attach a separate ground wire to a mounting bolt on your alternator and run it to the frame or battery if you are having trouble with the other grounds. Hope this helps.

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