Diagnosing high voltage

I will pull the alternator and examine the brushes.

In the meantime, here’s a question for you:

67Dart273 said

If the one connected to the blue is shorted, OR YOU reverse the field wires, you WILL BURN DOWN THE ignition harness

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I have installed an 8 gauge jumper wire from alternator to battery with a 12 gauge fusible link.

I have also installed a relay in my ignition circuit under the hood. Am I correct that the fuse in that circuit should protect against burning up the ignition harness?

The reason I ask is that I was thinking I would install a fusible link in the black alternator wire as part of my reinstall, but if the fuse in the ignition circuit protects me I won’t bother.