On my '85 300d:

- rear windows worked until recently from either center console or door switches. Few months ago I noticed left rear worked when it felt like, from either switch.

- now neither side works from the door switches.

- right side works from console, left does not.

- left side: getting power to socket #7 with key on.
- right side: getting power to sockets 3 and 7, key on.

- have tried three switches on left door window motor, both spade connectors on the motor stay hot all the time regardless of switch position. I have one of the soldered-on-connectors motors.

UPDATE: turns out my multimeter has issues. Borrowed one, looks like I have no ground at the brown wire socket on the left door.

Does the ground go through the switch on the console? (I am Forrest Gump on electrics.)

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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22