alternator
3 Answers
Note the diagram, if that is what you have? two circuits to generator, hot all the time. One is the generator bat terminal, the other one is fused circuit, notice the fuse. The other circuit comes through charge indicator lamp, key on, that is excite voltage, w/o excite voltage the generator won't charge.
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Yes, two circuits have power all the time, key off.
Yes the alternator will have power to it with the key off.