I lifted both leads off of the back of the alternator and still have the ground. It is up to 5+ amps, but that is probably because of the freshly charged battery. (Higher voltage -> higher current).

I lifted the oil level sensor supply line. No change.

Still need to find & check the oil pressure sensor, starter, and a condensor (capacitor).

Any ideas where they are or any other thing to check?

-Jim

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1995 S350D, Green with black leather interior.
Bought January 2008 w/ 233,xxx miles.
I did 22,000 miles during the first year of ownership.