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Old 07 Sep 2004, 01:17 pm
SoCalMike
 
Posts: n/a
Default Re: Incorrect Battery Charging Voltage?

John Ings wrote:

> On Tue, 07 Sep 2004 02:54:10 GMT, "Caroline"
> <caroline10027remove@earthlink.net> wrote:
>
>
>>I did shake out quite a lot of white powder (indicating some corrosion) from the
>>battery's positive terminal's cable connector while changing the batteries.

>
>
> Clean your battery cable clamps with a round wire brush. Check the
> cable itself under the insulation near the clamp, make sure it isn't
> corroded under there. Check both cable connections at the other end,
> especially the ground cable. Unbolt them, clean with a file and
> reconnect. Half an ohm resistance in a 115 volt circuit is nothing.
> Half an ohm in a 12 volt battery cable is a big deal. Do the math
> E = IR If the alternator wants to put 20 amps into the battery,
> .5 X 20 = 10 volts drop.


theyre worth replacing, regardless. along with the connection to the
alternator. if the readings still dont improve, its new rebuilt
alternator time.
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