Searched to no avail so thought I'd post.
I replaced the (kaput) headlight rotary switch on this car with a new one. The new one had a slightly different attachment pattern but the same numerical labels so I swapped the wires from the old one to corresponding labeled posts on the new one. Now the second detent (headlights) and the pull-for-foglights features work but nothing else. The brakelights work, the blinkers flash dimly and rapidly (suspect flasher relay here) and the high beams work. However, the standing lights, park lights, tail lights and instrument lights do not work. As an aside, the dome and rear dome don't work nor do the hazard flashers.
I don't know what it was like before since the old headlight switch had totally come apart. I am getting ready to retrieve my multimeter from the shop (across town) and test the fuses (I already visually inspected and rotated them in their mounts) and will probably test for power at the sockets since the bulbs look ok.
Looking for any advice here. Has anyone seen this particular combination before? Does anyone have a wiring diagram for this car? My Clymer and Haynes are both absent this.
Thanks in advance!

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1983 M-B 240D-Gone too.
1976 M-B 300D-Departed.

"Good" is the worst enemy of "Great".