Really... That Dinky Thing...For all practical normal use a Voltmeter is the tool of choice. For all normal Diagnosis a Voltmeter is the FIRST tool of choice. Its a rare occasions a amp meter is needed.
This one always stumps ammeter lubbers.
My tractor wont crank my little dinky dash mounted ammeter reads ZERO.
A voltmeter will give you useful static and dynamic information. Even this post started out my alt is not charging, you can not tell me a voltage reading was not necessary to properly diagnose the issue. How could you solely base a properly diagnostics on a Ammeter that reads ZERO.
Once this issue gets resolved ammeter are not to confirm proper operation you will need to know the voltage. The problem with all out amp diagnosis is its all over the place and never stable. The question is always there unless for some reason you can dream up some kind of self good feeling about it. In other words some BS.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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