Posted by mkirsch on September 09, 2014 at 04:48:14 from (72.45.143.81):
In Reply to: Hot Coil and voltage posted by clint s on September 08, 2014 at 13:25:54:
Yeah, 14.8 is about typical in a vehicle, so the alternator is working as it should.
If the ammeter drops back down close to 0 when the tractor is running, but no lights or anything else, it is working fine. When it stays at a high charge rate all the time, is when you start looking for problems.
The coil may or may not be too hot. I don't know what your idea of hot is.
One thing you need to be careful of is that there are *TWO* different types of "12V" coils. There is a "ballast resistor required" and a "no ballast resistor required." It is easy to imply the "no" if you're reading the package quickly and end up with what is really a 6V coil.
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