Quote:
Originally posted by Green1995SVX
Also, check the power connection on the top of the alternator for tightness, and check the ground points around the battery. It is, though, most likely you're alternator.
Mike
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Good point. I almost forgot the issues I had with my wires coming off the positive lead. They torched! Definitely check there too.
I think the best way to keep an eye on the charging system over time is to install a cheap aftermarket voltmeter. This has saved me money on more than one occasion.
You can also look at the pulley. If there is a black powdery buildup, the bearing could be going bad. When this happens, the alternator cannot charge properly. Just one more thing to check.
Although these are all good things to check, I would put moeny on it being the alternator itself. Also, make sure you don't drain your battery too low! You could be looking at another expense if you do.