Added: 2 years ago
From: 65kotse78
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  • very very helpful! and yea thats a easy way to find out where the drain is coming from by doing it with the fuses. gonna try it tomorrow with my car.

  • thank you come again!

  • When I drive my low battery light goes on and off. Usually when my car is at high RPM's it turns on then when I let off the gas pettle the battery light turns back off. It occasionally comes off and on as I drive in town. Is this enough information to decipher if the problem is with a weak battery or if my alternator is bad? Or my belt. My belt doesn't seem loose and I have 70k miles on my car. Ponitac Sonfire 2001. 2.2 L or 2.4 L engine not sure. Can you help me :D

  • Who can tell me how much fluid is supposed to be in each cell? Should they be almost to the top or just enough to cover the other parts in the battery?

  • yes but if u put a new battery the drain still keeps going on! how do u fix that?

  • @2ub40

    Then disconnect your circuit fuses one

    by one while you check the drain

    voltmeter reading every time you

    disconnect it. The last fuse you will

    disconnect that shows no drain is

    the culprit. Then that is where you will

    find the shorted wire causing the drain.

    You might need a wiring diagram for this

    if the wiring shorted is verified.

  • @ chevenitsu, what are you talking about??? If you connect a 'volt' meter as you describe you get bugger all because volt meters work in parrallel, you have just told everyone to put it in series. what you are describing is an amp meter connection in series. THIS is an AMPS draw test, not a VOLT test. Oh yes learn to spell as well. People are now dummer for reading your input. Depending on the vehicle about 60-70 mA is ok.

  • to check for a parasitic load you need a volt meter, set it on 20volt range. find the battarys positive lead post (+) and remove it from the battary. you will use the volt meter leads to brige the gap. put the (+) from the volt meter to the cars positve cable then put the (-) from the volt meter to batarys (+) top post. if theres exessive voltage there is a problem

    somethings still on!!! -adam felix"

  • @Chevenitsu

    One of the best way to do battery parasitic load test!

    Thanks!

  • @Chevenitsu

    Do you have a battery saver in your vehicle circuit? Sometimes you have

    to wait upto one hour and see if the drain

    still exist.

  • making sparks around the battery can be hazardous. if the battery is making hydrogen from charging a spark may ignite the hydrogen causing an explosion that could wreck the battery and blow pieces of plastic and battery acid into your face and eyes. Been there done that.

  • To been there, done that:

    However, your method applies to a garage where everything like testers are available. Not in most situations where the driver has to deal it himself. Caution to anybody who will try this "spark" test:

    1.) make sure battery is not wet with acid because of leaks.

    2.) accompanied by a bad rotten egg smell, it indicates battery internal problem which must be condemned and replaced right away.

    Hope this helps!

  • I was tuning up a 70's Subaru using an old timing light that connects directly to a spark plug lead. The top of the battery was a convenient place to put the timing light. The timing light sat on top of the battery for maybe 10 or 15 seconds before an explosion blew the top off the battery off spraying acid and bits of plastic all over me and the car. Fortunately, I wear glasses or I might have been blinded. Two small pieces of plastic had to be pulled out of my forehead.

  • Sorry to hear your sad experience. Not trying to make my method correct but a lot of times when I go to 3rd world countries like the Far East, most people there check the strength of the battery by running a jumper cable across the battery terminals using "spark" test. This is because they cannot afford those expensive tester. However, when working with an old battery like yours (70s), I would highly recommend to wear a face shield at least.

    Thanks!

  • Hydrogen has no odor or color and can combust at 4% volume vs15% for gasoline. Any source of ignition near a battery can be dangerous. I know personally two others that have had a battery blow up. One from jump starting and one carrying a battery while also holding a lit cigarette. Always make the last connection when jump starting to the frame or engine block so the spark will be away from the battery. And of course NO SMOKING!!!

  • you have to hold the load button for at least 15 seconds.

  • Can't argue about because you are absolutely right! Excellent comment!

    Thanks!

  • what about the repair?

  • Hi... There is no battery repair. If you watch the video, it's about repairing an engine no start that involved a battery problem. You must have focused on the title but the video involves testing and replacement of battery.

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