I don't know if the wiring harness is the problem or not, but it is surely bad. They are all bad from 1993-1995.

It is not difficult. It is a matter of disconnecting the old one and reconnecting the new one as you move along the harness.

A tech can do it in 2.5 to 3.0 hours.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".