There is a test circuit that lights all of the lights when you first turn the key to position #2 and wait for the glow plug light to go out (does it?). I'll have to look through my schematics; in the meantime, maybe someone else has already had and solved this problem.

Jeremy

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970