Yes, there was some corrosion on the positive terminal, I've cleaned it with baking soda and a brush.

Is it safe to pull the plastic back off the connector at the alternator, and connect my multimeter there? Just want to be sure about where to test, lest I fry something.

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1985 300DT, Classic White, California, 175K
1984 300TD, Classic White, Euro, 285K


"When nine hundred years old you reach, look as good you will not. Hmm?" - Yoda