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Allanson omni battery charger

I have been charging my car battery for two days and it is still dead. The battery is only one year old. When I connect the charger, the polarity light comes on but the needle on the scale sits at 0 (scale 0-8). How do I know if my charger is working? The same thing happens when I connect the charger to my lawn mower battery.

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 599 Answers

SOURCE: '92 probe won't hold charge

cold does strange things.. check battery health with load test... check cables especially grounds... test for parasitic leak of electrical by inserting a test light between battery ground post and cable .. only faint light for radio and comuter should exist ..a bright light means a draw and should be discovered by removing fuses one at a time til located ...good luck

Posted on Jan 14, 2009

Mr BrokRench
  • 1623 Answers

SOURCE: Battery keeps going dead

Hello raiderfan520....Have the battery "load tested" this will tell ya if the battery is defective, one bad cell will draw the others down. If it's bad and only 12 months old you should have warranty left. (free replacement or pro-rated)...If your battery load tests OK, then you have an amperage drain going on while the vehicle is parked.
This is called a "parasitic drain"
Make sure no interior lights, under hood, trunk lights...etc. are remaining on. I hope you don't need the following information i'm about to give you, but here are the steps to locating a parasitic drain.....

  1. Remove the negative side battery cable from the negative battery terminal.
  2. Attach an ammeter(this measures amperage) between the negative cable and the negative battery post. wait a few seconds to several minutes for the car to go into sleep mode. i.e. when you make the contact with the test light the cars computer systems "wake up" after a bit of time they will go to "sleep".
  3. If the ammeter is reading over 25-50 milliamps, something is using too much battery power.
  4. Go to the fuse panel(s) and remove fuses, one at a time. Pull the main fuses (higher amp ratings)last. Be sure to observe the ammeter after pulling each fuse.
  5. Watch for the ammeter to drop to acceptable drain. The fuse that reduces the drain is the draw. Consult the owners' manual or service manual to find what circuits are on that fuse.
  6. Check each device (circuit) on that fuse. Stop each lamp, heater, etc. to find the drain.
  7. Repeat steps 1&2 to test your repair. The ammeter will tell you exact numbers. There you go...everything you never wanted to know... I hope this will fixya up...good luck.

    PS...what kind of season are the raiders going to have this year? I'm in LA county and "Manny being Manny" has turned me away from baseball for now.

Posted on May 14, 2009

johnjohn2
  • 5763 Answers

SOURCE: With the Battery charged it will go dead sitting

theres a draw somewhere. these are sometimes hard to pinpoint.start by checking that all lights turn off,glovebox underhood light all lights,you will need a meter to meter the draw amps, then with key off doors closed look at the draw amount,.02 to.03 is allowable, start removing fuses and watch if amps drop,one fuse at atime, start with this to try and pin down a location of the draw.hope this helps.

Posted on Jan 04, 2010

  • 1848 Answers

SOURCE: i replaced the battery on a 2005 chevy impala. how do i clear the "service battery charging system" text and red battery light on the dash?

That sounds like not the battery. It possibly the alternator.
-Use a volt meter to test when it's running. If it's below 13 volts
the alternator is bad.


Mai Lor

Posted on Feb 25, 2013

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How old is the battery? If it's at least a couple years old, it may be dying. Or you may have a bad alternator or an electrical short that's draining it. If you charge it up & it drains again withing a few days, you need to investigate a possible bad battery, alternator, or other electrical defect.

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