Re: OT Question concerning charging problem on tru

Posted by TheRealRon on September 03, 2004 at 09:49:59 from (69.179.5.42):

In Reply to: Re: OT Question concerning charging problem on tru posted by Jrry on September 03, 2004 at 09:19:56:

A day or two might not matter; kinda depends on how long it's been going on.

I'll throw another thing on the table here... alternators have a very interesting characteristic. They are quite temperature sensitive. In relly cold weather, the regulated voltage might be as high as 15.5v. In really hot weather, it might be as low as 12.5v. This is not a problem, in fact it's a good thing as a battery needs a faster charge in cold weather to make up for the exterme current loss during cold weather starting.

GM gauges are not exactly very accurate so if it's hot right now where you are, the 12v you are seeing on the gauge might not be a problem. That's why I say get an accurate DMM on it and find out for sure.

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