Well, I just ordered a voltage regulator from FastLane, I figure it's worth a shot, and even if it doesn't help, it'll be good to have an extra one on hand, "just in case". Overnight shipping was cheap, so I guess we'll know soon...

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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