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Connected to the negative post of preferably anyplace on the engine.

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Q: When charging a battery the black cable should?
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Can you leave the negative cable wire off the battery when trickle charging?

It is a good thing to disconnect the negative battery cable when charging, so no damage can occur to the car's computers.


Why does my tablet keep shutting down and not charge?

Dead battery or the charging cable is broken or socket in the tablet. if the charging light comes on the tablet should work.


What happens when you connect the battery charging cable to the wrong post?

Overheat he battery to the point of busting it.


1982 Dodge D150 dies when battery cable is removedwhy?

Your charging system is not working. It could be the Alternator or the regulator or both. It's not a good idea to test the charging system by removing a battery cable while engine is running, this can damage the charging system.


What wiring could keep the alternator from charging the battery?

I had this problem in the past, and only later found that the battery ground wasn't good. Removed black battery cable from the grounding point (opposite end of cable from battery), cleaned the spot where it was attached, and cleaned the cable end, then reattached it. Worked fine then. Only one possibility though.


Why should a car battery's positive terminal be connected first for charging?

Batteries vent Hydrogen gas. You should always connect the positive battery cable first to avoid a spark at the battery that could cause the Hydrogen to explode. The negative cable should never be connected to the battery negative post. It should be connected to another ground area on the engine.


How do you check the charging system on a Nissan?

If you have a DVOM, test for voltage at the positive battery cable at the battery, not testing at the battery but at the cable, when the engine is running. Now check for power at the battery post with the engine running, should be the same. Next test the battery when the engine is not running, key off, yes, this time testing for voltage at the battery post and cable, should be the same. If all four test voltages are the same, you have a charging system problem. The test at the battery cable when the engine is running should be aprox 13.5 to 14 volts at the cable. One thing to keep in mind, corrosion at the + battery cable can prevent the battery from charging and that's why the test for the charge system when the engine is running is best at the cable not the battery. If you have different readings when the engine is running at the cable and battery post, (the battery test results are the same when running and when not running, but the battery test at the cable is 13.5 to 14 volts) it is probably a corrosion problem. Clean the corrosion between the + battery cable until the voltages are the same at the cable and battery post. This is not a thorough test for the battery condition as you are only checking volts, not amps.The cheapest way is to just take it to any Autozone , or similar parts stores ! They have the equipment on hand , AND they check it for FREE ! They will be able to tell you if you have a bad battery or faulty alternator . Most of these places are honest and tell you what if anything you nedd to replace . I thought I had a bad alternator a while back . Took it in and tested it . The battery had a bad cell in it .So no need to buy the fancy equipment . Hope that helps !


What could prevent the alternator from charging the battery on a 2002 Volkswagen Eurovan?

Bad alternator, voltage regulator, or battery. Also a loose or corroded cable or bad cable.


Where is the negetive battery cable on a 2002 Cadillac?

Attached to neg post on battery should be labelled with (-) sign if not color coded black.


When you go to charge your iPhone it blinks on and off what should you do?

When you are charging your iPhone it blinks on off then you have to check out the USB cable. Make sure that you are going to use only supplied USB cable. If you are using other accessories then it will not support your iPhone. Also while charging keep a your eye on battery. If you will see that the red part of battery image flash 3 times and screen goes black then it directly indicate that your device is not receiving proper power to charge.


Reset airbag light?

Try removing the negative cable from the battery terminal (black cable). This should reset all of your vehicle diagnostics.


How do you charge the dodge caliber car battery?

Red/positive cable to red/positive cable. Black/negative cable to black/negative cable. The battery is under the cover in front of the air cleaner.