Quote:
Originally Posted by HuskyMan
OK, bought a new H8 class battery with a three year replacement guarantee! When I use my handy dandy volt meter to test voltage across terminals, I get 12.4 volts. As I move the negative (black) lead to the where the cable attaches via a bolt to the body of the car, I get 12.4 volts when touching the lead to the end of the cable (the eyelet that the bolt goes through to attach to the car body).
HOWEVER, when I place the voltmeter negative lead on the bolt that holds the negative cable to the car body, I get zero or near zero volts. Is this a problem?
I used electronics cleaner on everything before making the connections.
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What do you get when you touch the body of the car or the terminal where the bolt connects to the car. Sometimes rusty bolts don't conduct and while you may have a good connection to the body, you can't measure it through a rusty bolt. The same thing happens when your battery post is corroded. You have to scratch to get back to clean metal.
FWIW, the AGM batteries that I looked at were much more expensive than than regular ole lead batteries and had a much shorter warranty. Better still would be to find lead blems for cheap.